researcher profile

Publications

  1. Development of sub-micron broadband lens-coupled LEKIDs for sub-mm astronomy
    A. Gomez; P. Prieto; J. Bueno; S. Doyle; P. Barry; A. Bideaud; N. Llombart; D. Granados; J. L. Costa-Kramer; J. Martin-Pintado; J. J. A. Baselmans;
    Low Temp. Phys.,
    Feb. 2016. 10.1007/s10909-016-1517-9.
    document

  2. A dual-polarized leaky lens antenna for wideband focal plane arrays
    O. Yurduseven; N. Llombart; A. Neto;
    IEEE Transaction on Antennas and Propagation,
    Volume 64, Issue 8, pp. 3330-3337, Aug. 2016. 10.1109/TAP.2016.2574903.
    document

  3. Radiation of logarithmic spiral antennas in the presence of dense dielectric lenses
    A. Garufo; N. Llombart; A. Neto;
    IEEE Transactions on Antennas and Propagation,
    Volume 64, Issue 10, October 2016. 10.1109/TAP.2016.2593744.
    document

  4. Leaky-wave thinned phased array in PCB technology for telecommunication applications
    D. Blanco; E. Rajo-Iglesias; A. Montesano; N. Llombart;
    IEEE Transactions on Antennas and Propagation,
    Volume 64, Issue 10, pp. 4288-4296, Oct 2016. 10.1109/TAP.2016.2597642.
    document

  5. A Quasi-Analytical Tool for the Characterization of Transmission Lines at High Frequencies
    S. van Berkel; A. Garufo; N. Llombart; Andrea Neto;
    IEEE Antennas and Propagation Magazine,
    Volume 58, Issue 3, pp. 82-90, Jun. 2016. 10.1109/MAP.2016.2541617.
    document

  6. Design of a Dual-Band FSS Based Bolometer for Security Imagers At THz Frequencies
    S. O. Dabironezare; E. Gandini; J. Hassel; A. Neto; N. Llombart;
    In European conference on Antennas and Propagation (EuCAP),
    Davos, Switzerland, April 2016.

  7. Micro-lens antenna integrated in a silicon micromachined receiver at 1.9 THz
    M. Alonso-delPino; T. Reck; C. Lee; C. Jung-Kubiak; N. Llombart; I. Mehdi; G. Chattopadhyay;
    In Proc. 10th European Conference on Antennas and Propagation,
    Davos, Switzerland, 10-15 April 2016. 10.1109/eucap.2016.7481287.
    document

  8. Time-domain EM numerical modelling: A pulse shape causality and temporal support analysis
    I. E. Lager; S. van Berkel; N. Llombart; A. Neto;
    In Proc. 10th European Conference on Antennas and Propagation,
    Davos, Switzerland, 10-15 April 2016. 10.1109/EuCAP.2016.7481733.
    document

  9. Submillimetre wave 3D imaging radar for security applications
    D. A. Robertson; D. G. Macfarlane; S. L. Cassidy; T. Bryllert; E. Gandini; N. Llombart;
    In IET Colloquium on Millimetre-Wave and Terahertz Engineering & Technology,
    31 March 2016 2016. 10.1049/ic.2016.0014.
    document

  10. Photoconductive connected array: a novel solution for pulsed terahertz radiation
    A. Garufo; G. Carluccio; N. Llombart; A. Neto;
    In 41st International Conference on Infrared, Millimeter, and Terahertz Waves,
    Copenhagen, Denmark, September 2016.

  11. Power measurements of photoconductive antennas and comparison with the power estimated by an equivalent circuit model approach
    J. R. Freeman; D. R. Bacon; E. H. Linfield; A. Giles Davies; A. Garufo; G. Carluccio; N. Llombart; A. Neto;
    In 41st International Conference on Infrared, Millimeter, and Terahertz Waves,
    Copenhagen, Denmark, September 2016.

  12. Analysis of the power radiation from photoconductive antennas by equivalent Norton circuit model
    A. Garufo; G. Carluccio; N. Llombart; A. Neto;
    In IEEE International Symposium on Antennas and Propagation and USNC-URSI National Radio Science Meeting,
    Fajardo, Puerto Rico, June - July 2016.

  13. Photo-conductive connected array solution for pulsed terahertz radiation
    A. Garufo; G. Carluccio; N. Llombart; A. Neto;
    In IEEE International Symposium on Antennas and Propagation and USNC-URSI National Radio Science Meeting,
    Fajardo, Puerto Rico, June - July 2016. 10.1109/IRMMW-THz.2016.7758938.
    document

  14. Design of photo-conductive connected arrays for pulsed terahertz radiation
    A. Garufo; G. Carluccio; N. Llombart; A. Neto;
    In The 10th European Conference on Antennas and Propagation (EuCAP),
    Davos, Switzerland, April 2016.

  15. Derivation of an equivalent Norton circuit model for photo-conductive antennas
    A. Garufo; G. Carluccio; N. Llombart; A. Neto;
    In The 10th European Conference on Antennas and Propagation (EuCAP),
    Davos, Switzerland, April 2016.

  16. Complex Characteristic Impedance of Transmission Lines At High Frequencies
    S. van Berkel; N. Llombart; A. Neto;
    In The 10th European Conference on Antennas and Propagation (EuCAP),
    Davos, Switzerland, April 2016.

  17. Optimization of Frequency Selective Absorbers for Sub-mm Security Imagers
    S.O. Dabironezare; J. Hassel; L. Grönberg; E. Gandini; A. Neto; N. Llombart;
    In 41st International Conference on Infrared, Millimeter, and Terahertz Waves,
    Copenhagen, Denmark, September 2016.

  18. Wide field of view lens-based focusing system for security imagers at THz frequencies
    N. Llombart; E. Gandini; A. Tamminen; A. Luukanen;
    In 41st International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz),
    Copenhagen, Denmark, Sep. 2016. 10.1109/IRMMW-THz.2016.7758592.
    document

  19. On the Design of A Dual Polarized Leaky Lens Antenna for Wideband Applications
    O. Yurduseven; N. Llombart; I.E. Lager; A. Neto;
    In European Microwave Week (EuMW 2016),
    London, UK, October 2016.

  20. A Wideband Dual polarized Leaky Lens Antenna for Tightly Spaced FPAs
    O. Yurduseven; N. Llombart; A. Neto;
    In IEEE Antennas and Propagation Society International Symposium (APS-URSI 2016),
    Fajardo, Puerto Rico, July 2016.

  21. On the Use of Thevenin Circuits in Distributed Transmission lines and the Extension of the Methodology to the Problem of Antennas in Reception
    A. Freni; N. Llombart; O. Yurduseven; A. Neto;
    In IEEE Antennas and Propagation Society International Symposium (APS-URSI 2016),
    Fajardo, Puerto Rico, July 2016.

  22. A Dual Polarized Antenna for Wideband Focal Plane Applications
    O. Yurduseven; N. Llombart; A. Neto;
    In The 10th European Conference on Antennas and Propagation (EuCAP),
    Davos, Switzerland, April 2016.

  23. On the Use of Thevenin Circuits in Distributed Transmission Lines and Its Consequences for Antennas in Reception
    A. Neto; N. Llombart; O. Yurduseven; A. Neto;
    In The 10th European Conference on Antennas and Propagation (EuCAP),
    Davos, Switzerland, April 2016.

  24. Photon noise limited performance over an octave of bandwidth of kinetic inductance detectors for sub-millimeter astronomy
    B. Juan; O. Yurduseven; S.J.C. Yates; N. Llombart; V. Murugesan; D.J. Thoen; A.M. Baryshev; A. Neto; J.J.A. Baselmans;
    In 41st International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz),
    2016. 10.1109/IRMMW-THz.2016.7758429.
    document

  25. Large Format Arrays of Antenna Coupled Kinetic Inductance Detectors for THz Astronomy
    J. Baselmans; J. Bueno; O. Yurduseven; N. Llombart; S. Yates; A. Baryshev; A. Endo; D. Thoen; A. Neto;
    In The 10th European Conference on Antennas and Propagation (EuCAP),
    Davos, Switzerland, April 2016. 10.1109/IRMMW-THz.2014.6956150.
    document

  26. Fourier Optics for the Analysis of Distributed Absorbers Under THz Focusing Systems
    N. Llombart; B. Blazquez; A. Freni; A. Neto;
    IEEE Transactions on Terahertz Science and Technology,
    Volume 5, Issue 4, pp. 573-583, July 2015.
    document

  27. The non-equilibrium response of a superconductor to pair-breaking radiation measured over a broad frequency band
    P.J. de Visser; S.J.C. Yates; T. Guruswamy; D.J. Goldie; S. Withington; A. Neto; N. Llombart; A.M. Baryshev; T.M. Klapwijk; J.J.A. Baselmans;
    Applied Physics Letters 106, 252602,
    May 2015.
    document

  28. Directivity Enhancement and Spurious Radiation Suppression in Leaky-Wave Antennas Using Inductive Grid Metasurfaces
    D. Blanco; E. Rajo-Iglesias; S. Maci; N. Llombart;
    IEEE Transaction on Antennas and Propagation,
    Volume 63, Issue 3, pp. 891-900, March 2015.
    document

  29. Antenna-coupled TES bolometers used in BICEP2, Keck array, and SPIDER
    PAR Ade; RW Aikin; M Amiri; D Barkats; SJ Benton; CA Bischoff; JJ Bock; JA Bonetti; JA Brevik; I Buder; E Bullock; G Chattopadhyay; G Davis; PK Day; CD Dowell; L Duband; JP Filippini; N. Llombart;
    Applied Physics Letters 106, 252602,
    May 2015.
    document

  30. Antenna design for a 1 THz source in SiGe-BiCMOS technology
    D. Cavallo; A. Visweswaran; M. Spirito; J. R. Long; N. Llombart; A. Neto;
    In IEEE Antennas and Propagation Society International Symposium,
    Vancouver, Canada, Jul. 19-25 2015.

  31. Focal Plane Array Size Reduction for Terahertz Transceivers in Integrated Technology
    E. Gandini; N. Llombart; A. Neto;
    In European conference on Antennas and Propagation (EuCAP),
    Lisbon, Portugal, April 2015.

  32. Quasi-Optical System for a Real Time Stand-Off Submillimeter-Wave Dual-Mode Imager
    E. Gandini; N. Llombart; D. Robertson; A. Luukanen; J. Hassel; T. Bryllert; R. Appleby;
    In European conference on Antennas and Propagation (EuCAP),
    Lisbon, Portugal, April 2015.

  33. SPACEKIDS: Kinetic inductance detector arrays for space applications
    Griffin, M.; Baselmans, J.; Baryshev, A.; Doyle, S.; Grim, M.; Hargrave, P.; Klapwijk, T.; Martin-Pintado, J.; Monfardini, A.; Neto, A.; Steenbeck, H.; Walker, I.; Wood, K.; D'Addabbo, A.; Barry, P.; N. Llombar;
    In International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz),
    Hong Kong, China, pp. 1-2, August 2015.
    document

  34. Coherent Fourier Optics Representation of Focal Plane Fields
    N. Llombart; E. Gandini; B. Blazquez; A. Freni; A. Neto;
    In European conference on Antennas and Propagation (EuCAP),
    Lisbon, Portugal, April 2015.

  35. Toward a real time stand-off submillimeter-wave imaging system with large field of view: quasi-optical system design considerations
    E. Gandini; N. Llombart;
    In SPIE Defense, Security, and Sensing (SPIE DSS),
    Baltimore, Maryland, USA, April 2015.
    document

  36. High-efficiency on-chip antenna array for terahertz power source
    D. Cavallo; A. Visweswaran; N. Llombart; M. Spirito; A. Neto; and J. Long;
    In European conference on Antennas and Propagation (EuCAP),
    Lisbon, Portugal, April 12-17 2015.

  37. Medium-range propagation flexible waveguides at millimeter-wave and submillimeter-wave frequencies
    Alonso-delPino, M.; Llombart, N.; Spirito, M.;
    In International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz),
    Hong Kong, China, pp. 1-2, August 2015.
    document

  38. On the development of a quasi-optical system for short and long range standoff imagers
    Gandini, E.; Svedin, J.; Biyllert, T.; Llombart, N.;
    In International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz),
    Hong Kong, China, August 2015.
    document

  39. Equivalent Norton circuit model for photo-conductive antennas
    A. Garufo; G. Carluccio; N. Llombart; A. Neto;
    In Joint Symposium URSI-Benelux, NARF, and IEEE AP-S Meeting on "Smart Antennas and Propagation",
    Enschede, The Netherlands, December 2015.

  40. Equivalent Norton circuit model for photo-conductive antennas
    A. Garufo; G. Carluccio; N. Llombart; A. Neto;
    In 36th ESA Antenna Workshop on "Antennas and RF Systems for Space Science",
    ESA/ESTEC, Noordwijk, The Netherlands, October 2015.

  41. Equivalent circuit model based on spectral Green's function representation for photo-conductive slot antennas
    A. Garufo; G. Carluccio; N. Llombart; A. Neto;
    In International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz),
    Hong Kong, China, August 2015.
    document

  42. Spectral Green's function representation for photo-conductive slot antennas
    A. Garufo; G. Carluccio; N. Llombart; A. Neto;
    In IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting,
    Vancouver, British Columbia, Canada, July 2015.

  43. Theoretical model based on spectral Green's function representation for photoconductive slot antennas
    A. Garufo; G. Carluccio; N. Llombart; A. Neto;
    In European conference on Antennas and Propagation (EuCAP),
    Lisbon, Portugal, April 2015.

  44. Antennas in reception
    A. Neto; O. Yurduseven; N. Llombart; A. Freni;
    In European conference on Antennas and Propagation (EuCAP),
    Lisbon, Portugal, April 2015.

  45. On the antenna reception in the presence of generalized excitation
    A. Neto; O. Yurduseven; N. Llombart; A. Freni;
    In IEEE International Symposium on Antennas and Propagation (APS),
    Vancouver, British Columbia, Canada, July 2015.

  46. A dual polarized leaky lens antenna for wideband Focal Plane Arrays
    O. Yurduseven; N. Llombart; A. Neto;
    In 36th ESA Antenna Workshop on Antennas and RF Systems for Space Science,
    Noordwijk, The Netherlands, October 2015.

  47. Photon noise limited performance over an octave of bandwidth of Kinetic Inductance Detectors for sub-mm astronomy
    J. Bueno; O. Yurduseven; S. Yates; N. Llombart; M. Murugesan; A. Baryshev; A. Neto; J. Baselmans;
    In 36th ESA Antenna Workshop on Antennas and RF Systems for Space Science,
    Noordwijk, The Netherlands, October 2015.

  48. A dual polarized leaky lens antenna for wideband FPA applications
    O. Yurduseven; N. Llombart; A. Neto;
    In Joint Symposium URSI-Benelux, NARF, and IEEE AP-S Meeting on Smart Antennas and Propagation,
    Enschede, The Netherlands, December 2015.

  49. Characterization of Printed Transmission Lines at High Frequencies
    S. van Berkel; A. Garufo; A. Endo; N. Llombart; A. Neto;
    In European conference on Antennas and Propagation (EuCAP),
    Lisbon, Portugal, April 2015.

  50. THz silicon-integrated CAMera for low-cost imaging applications (TiCAM)
    S. van Berkel; D. Cavallo; N. Llombart; A. Neto;
    In Joint Symposium URSI-Benelux, NARF, and IEEE AP-S Meeting on Smart Antennas and Propagation,
    Enschede, The Netherlands, December 2015.

  51. A rigorous equivalent network for linearly polarized THz absorbers
    B. Blázquez; N. Llombart; D. Cavallo; A. Freni; A. Neto;
    IEEE Transactions on Antennas and Propagation,
    Volume 62, Issue 10, pp. 5077-5088, October 2014.
    document

  52. Time-Delay Multiplexing With Linear Arrays of THz Radar Transceivers
    B. Blázquez; K. B. Cooper; N. Llombart;
    IEEE Transactions on TeraHertz Science and Technology,
    Volume 4, Issue 2, pp. 232-239, March 2014.
    document

  53. Refocusing a THz Imaging Radar: Implementation and Measurements
    N. Llombart; B. Blázquez;
    IEEE Transactions on Antennas and Propagation,
    Volume 62, Issue 3, pp. 1529-1534, March 2014.
    document

  54. On the use of leaky wave phased arrays for the reduction of the grating lobe level
    D. Blanco; N. Llombart; E. Rajo-Iglesias;
    IEEE Transactions on Antennas and Propagation,
    Volume 62, Issue 4, pp. 1789-1795, April 2014.
    document

  55. Demonstration of the leaky lens antenna at sub-millimeter wavelengths
    A. Neto; N. Llombart; J. Baselmans; A. Baryshev; S. J. C. Yates;
    IEEE Transactions on Terahertz Science and Technology,
    Volume 4, Issue 1, pp. 26-32, January 2014.
    document

  56. Demonstration of the enhanced radiation in dielectric lens spiral antennas
    A. Garufo; N. Llombart; A. Neto;
    In 8th European Conference on Antennas and Propagation,
    The Hague, Netherlands, April 2014.

  57. Improvement of the radiation efficiency in a logarithmic spiral lens antenna
    A. Garufo; N. Llombart; and A. Neto;
    In IEEE Antennas and Propagation Society International Symposium,
    Memphis, TN, USA, July 2014.

  58. Impact of the Antenna Bandwidth in the Imaging Speed of Kinetic Inductance Detectors Focal Plane Arrays
    A. Neto; N. Llombart; B. Blázquez; A. Freni;
    In IEEE Antennas and Propagation Society International Symposium,
    Memphis, Tennessee, USA, July 2014.

  59. Analytical Model for Distributed Power Absorbers under a Focusing System
    B. Blázquez; N. Llombart; A. Neto; A. Freni;
    In IEEE Antennas and Propagation Society International Symposium,
    Memphis, Tennessee, USA, July 2014.

  60. Imaging Speed of Antenna Coupled Kinetic Inductance Detectors in the SAFARI/SPICA Scenario
    A. Neto; N. Llombart; B. Blázquez; A. Freni;
    In 8th European Conference on Antennas and Propagation,
    April 2014.

  61. Distributed Power Absorbers in General Focusing Systems
    B. Blázquez; A. Freni; N. Llombart; A. Neto;
    In 8th European Conference on Antennas and Propagation,
    April 2014.

  62. Near-Field Imaging System Fed by Lens Antenna Focal Plane Array at Sub-Millimeter Frequency
    E. Gandini; N. Llombart; A. Neto;
    In IEEE Antennas and Propagation Society International Symposium,
    Memphis, Tennessee, USA, July 2014.

  63. Wide field of view active near-field imaging system with sub-millimiter sparse focal plane array
    E. Gandini; N. Llombart; A. Neto; T. Bryllert;
    In IEEE European conference on Antennas and Propagation,
    April 2014.

  64. Design of wideband and high-efficiency antenna array on chip at 1.1 terahertz
    D. Cavallo; A. Visweswaran; N. Llombart; M. Spirito; W. H. Syed; A. Neto; J. Long;
    In 8th European Conference on Antennas and Propagation,
    The Hague, Netherlands, April 2014. (invited paper).

  65. Holographic Surface Leaky-Wave Lenses with Circularly-Polarized Focused Near-Fields. Part II: Experiments and Description of Frequency Steering of Focal Length
    D. Blanco; J.L. Gomez-Tornero; E. Rajo-Iglesias; N. Llombart;
    IEEE Transactions on Antennas and Propagation,
    Volume 61, Issue 7, pp. 3486-3493, July 2013.
    document

  66. Antenna array connections for efficient performance of distributed microbolometers in the IR
    M. Silva-López; A. Cuadrado; N. Llombart; J. Alda;
    Optics Express,
    Volume 21, Issue 9, pp. 10867-10877, April 2013.
    document

  67. Operation of a titanium nitride superconducting microresonator detector in the nonlinear regime
    L. J. Swenson; P. K. Day; B. H. Eom; H. G. Leduc; N. Llombart; C. M. McKenney; O. Noroozian; J. Zmuidzinas;
    Journal of Applied Physics,
    Volume 113, Issue 113, 104501, pp. 113, 104501, May 2013.
    document

  68. Photon shot noise limited detection of terahertz radiation using a quantum capacitance detector
    P. M. Echternach; K. J. Stone; C. M. Bradford; P. K. Day; D. W. Wilson; K. G. Megerian; N. Llombart; J. Bueno;
    Applied Physics Letters,
    Volume 103, Issue 103, 053510, pp. 103, 053510, July 2013.

  69. Holographic Surface Leaky-Wave Lenses with Circularly-Polarized Focused Near-Fields. Part I: Concept, Design and Analysis Theory
    J. L. Gomez-Tornero; D. Blanco; E. Rajo-Iglesias; N. Llombart;
    IEEE Transactions on Antennas and Propagation,
    Volume 61, Issue 7, pp. 3475-3485, July 2013.
    document

  70. Silicon Micromachined Lens Antenna for THz Integrated Heterodyne Arrays
    N. Llombart; C. Lee; M. Alonso; G. Chattopadhyay; C. Jung-Kubiak; L. Jofre; I. Mehdi;
    IEEE Transactions on Terahertz Science and Technology,
    Volume 3, Issue 5, pp. 515-523, September 2013.
    document

  71. Design guidelines for a terahertz silicon micro-lens antenna
    M. Alonso; N. Llombart; G. Chattopadhyay; C. Lee; C. Jung-Kubiak; L. Jofre; I. Mehdi;
    IEEE Antennas and Wireless Propagation Letters,
    2013.
    document

  72. THz Leaky Lens Antenna Integrated with Kinetic Inductance Detectors
    A. Neto; N. Llombart; J. Baselmans; A. Baryshev; S. Yates;
    In Pulsed Electromagnetic Fields Symposium,
    Delft, Netherlands, March~18-19 2013.

  73. Leaky Lens Antennas and Kinetic Inductance Detectors - The Solution for THz Integration
    A. Neto; N. Llombart; I. E. Lager; J. J. A. Baselmans; A. Baryshev; S. Yates;
    In 43th European Microwave Conference,
    October 2013.

  74. Power Received by a Focal Plane Array in a General Focalization System for THz Imaging
    A. Neto; A. Freni; N. Llombart;
    In 7th European Conference on Antennas and Propagation,
    April 2013.

  75. On the Optimization of the Imaging Speed in Broadband THz Focal Plane Arrays of Kinetic Inductance Detectors
    N. Llombart; A. Neto; B. Blazquez; O. Yurduseven; A. Freni;
    In 38th International Conference on Infrared, Millimeter and Terahertz Waves,
    September 2013.

  76. Efficient Illumination for a Dielectric Lens Antenna Fed by a Spiral Antenna for Broadband THz Systems
    A. Garufo; N. Llombart; A. Neto;
    In 38th International Conference on Infrared, Millimeter and Terahertz Waves,
    September 2013.

  77. Enhanced Radiation Properties of Spiral Lens Antennas
    A. Garufo; N. Llombart; A. Neto;
    In IEEE Antennas and Propagation Society International Symposium,
    Orlando, FL, USA, July 2013.

  78. On the Use of Antenna Engineering Tools for the Optimization of the Focal Plane Sampling in Direct Detection of Distributed Sources
    A. Neto; N. Llombart; O. Yurduseven; B. Blazquez; A. Freni;
    In IEEE Antennas and Propagation Society International Symposium,
    Orlando, FL, USA, July 2013.

  79. THz Leaky Lens Antenna Coupled KIDs for Broadband Imaging And Spectroscopy
    A. Neto; N. Llombart; J. Baselmans; S. Yates; A. Baryshev;
    In 38th International Conference on Infrared, Millimeter and Terahertz Waves,
    September 2013.

  80. The Leaky Lens Antenna: First Measurements at THz Frequencies
    A. Neto; N. Llombart; J. Baselmans; A. Baryshev; S. Yates;
    In IEEE Antennas and Propagation Society International Symposium,
    Orlando, FL, USA, July 2013.

  81. Theoretical Characterization And Measurements Of Lens-Coupled LEKIDs
    B. Blázquez; N. Llombart; A. Neto;
    In 38th International Conference on Infrared, Millimeter and Terahertz Waves,
    September 2013.

  82. Quasioptical Time-Delay Multiplexing of a Linear Array for a Terahertz Imaging Radar
    N. Llombart; B. Blázquez;
    In 7th European Conference on Antennas and Propagation,
    April 2013.

  83. Lens Coupled LEKIDs: Theoretical Characterization and Measurements
    B. Blázquez; N. Llombart; A. Neto;
    In 7th European Conference on Antennas and Propagation,
    April 2013.

  84. Enhanced spiral feeds for dielectric lens antenna
    A. Garufo; N. Llombart; A. Neto;
    In 7th European Conference on Antennas and Propagation,
    April 2013.

  85. THz time-domain sensing: the antenna dispersion problem and a possible solution
    N. Llombart; A. Neto;
    IEEE Transactions on Terahertz Science and Technology,
    Volume 2, Issue 4, pp. 416-423, July 2012.
    document

  86. A bifocal ellipsoidal Gregorian reflector system for THz imaging applications
    A. Garcia - Pino; N. Llombart; B. Gonzalez - Valdes; O. Rubinos-Lopez;
    IEEE Transactions on Antennas and Propagation,
    Volume 60, Issue 9, pp. 4119-4129, September 2012.
    document

  87. Real time quasiparticle tunneling measurements on an illuminated quantum capacitance detector
    K. J. Stone; K. G. Megerian; P. K. Day; P. M. Echternach; J. Bueno; N. Llombart;
    Applied Physics Letters,
    Volume 100, June 2012.

  88. A grating-based circular polarization duplexer for submillimeter-wave transceivers
    K. B. Cooper; N. Llombart; G. Chattopadhyay; R. J. Dengler; R.E. Cofield; C. Lee; S. Filchenkov; E. Koposova;
    IEEE Microwave and Wireless Components Letters,
    Volume 22, Issue 3, pp. 108-110, March 2012.
    document

  89. Suppressing beam systematics in antenna-coupled TES bolometers for CMB polarimetry
    R. C. O' Brient; J. J. Bock; J. Bonnetti; P. Day; H. Hui; C. L. Kuo; N. Llombart; M. Lueker; H. Ngyen; Z. Stanizewski;
    Journal of Low Temperature Physics,
    Volume 167, Issue 3-4, pp. 497-503, May 2012.

  90. Real time 100 GHz MST imaging retina
    M. Alonso; V. Garg; C. E. Guerra; C. E. Garcia; J. Romeu; N. Llombart; L. Jofre;
    In 6th European Conference on Antennas and Propagation,
    March~26-30 2012.

  91. Near-field focusing with holographic two-dimensional tapered leaky-wave slot antennas
    J. L. Gomez - Tornero; A. J. Martinez - Ros; N. Llombart; D. Blanco; E. Rajo - Iglesias;
    In 6th European Conference on Antennas and Propagation,
    March~26-30 2012.

  92. Near and far-field focusing with holographic two-dimensional tapered leaky-wave spiral antennas
    D. Blanco; E. Rajo - Iglesias; N. Llombart; J. L. Gomez - Tornero;
    In IEEE Antennas and Propagation Society International Symposium,
    July 2012.

  93. Tomographic imaging retina at 100GHz
    M. Alonso; V. Garg; E. Nova; J. Abril; J. Romeu; N. Llombart; L. Jofre;
    In 37th International Conference on Infrared, Millimeter and Terahertz Waves,
    September 2012.

  94. Retina design for 100 GHz MST imaging system
    M. Alonso; V. Garg; E. Nova; J. Abril; J. Romeu; N. Llombart; L. Jofre;
    In IEEE Antennas and Propagation Society International Symposium,
    July 2012.

  95. Leaky wave enhanced phased array for the reduction of the grating lobe level
    N. Llombart; D. Blanco; E. Rajo - Iglesias; J. Campuzano; A. Montesano - Benito;
    In IEEE Antennas and Propagation Society International Symposium,
    July 2012.

  96. Range refocusing in a terahertz imaging radar
    N. Llombart; B. Blázquez; K. B. Cooper; R. J. Dengler;
    In European Microwave Week 2012,
    October 2012.

  97. Characterization of lens-coupled TiN LEKIDs at 215μm
    M. Parra; I. Lorite; B. Blázquez; J. L. Costa-Kr�mer; N. Llombart; J. Bueno;
    In 37th International Conference on Infrared, Millimeter and Terahertz Waves,
    September 2012.

  98. Study of range refocusing techniques for a terahertz imaging radar
    B. Blázquez; N. Llombart;
    In 37th International Conference on Infrared, Millimeter and Terahertz Waves,
    September 2012.

  99. Theoretical study of the THz absorption efficiencies of antenna coupled and lumped element KIDs
    B. Blázquez; N. Llombart; J. Bueno;
    In 37th International Conference on Infrared, Millimeter and Terahertz Waves,
    September 2012.

  100. Development of lens-coupled LEKID detectors arrays for THz radiation
    B. Blázquez; N. Llombart; J. Bueno; A. Neto;
    In 6th European Conference on Antennas and Propagation,
    March~26-30 2012.

  101. Optical characterization of the quantum capacitance detector at 200 um
    J. Bueno; N. Llombart; P. K. Day; P. M. Echternach;
    Applied Physics Letters,
    Volume 99, 2011.

  102. THz imaging radar for standoff personnel screening
    K. B. Cooper; R. J. Dengler; N. Llombart; T. Bryllert; G. Chattopadhyay; P. H. Siegel;
    IEEE Transactions on Terahertz Science and Technology,
    September 2011.
    document

  103. Towards an on-chip optically integrated array of superconducting detectors for sub-mm and FIR astrophysics
    J. Bueno; N. Llombart; J. L. Costa-Kramer;
    Acta Futura,
    2011.
    document

  104. Novel terahertz antenna based on a silicon lens fed by a leaky wave enhanced waveguide
    N. Llombart; G. Chattopadhyay; A. Skalare; I. Mehdi;
    IEEE Transactions on Antennas and Propagation,
    Volume 59, Issue 6, pp. 2160-2168, June 2011.
    document

  105. A bifocal THz reflector antenna for imaging applications
    A. Garcia - Pino; B. Gonzalez - Valdes; O. Rubiños López; N. Llombart;
    In IEEE Antennas and Propagation Society International Symposium,
    July 2011.

  106. Impact of frequency and polarization diversity on a terahertz radar's imaging performance
    K. B. Cooper; R. J. Dengler; N. Llombart;
    In SPIE XIV Conference on Passive Millimeter-Wave Imaging Technology,
    Orlando, FL, USA, April 2011.

  107. Tapered antenna-array coupled TES bolometers for CMB polarimetry
    R. O\Brient; J. Bock; J. Bonetti; P. Day; S. Golwala; H. Hui; C.-L. Kuo; N. Llombart; M. Kucker; H. Nguyen; Z. Staniszewski; G. Teply; A. Turner;
    In 14th International Workshop on Low Temperature Detectors,
    Heidelberg University, Heidelfberg, Germany, August 2011.

  108. Enhanced THz photoconductive lens antennas
    N. Llombart; A. Neto;
    In IEEE Antennas and Propagation Society International Symposium,
    July 2011.

  109. Progress in the development of a 5x5 array of quantum capacitance detectors for far-infrared radiation
    P. Echternach; K. Stone; F. Cho; K. Megerian; J. Bueno; N. Llombart; P. Day;
    In 14th International Workshop on Low Temperature Detectors,
    Heidelberg University, Heidelfberg, Germany, August 2011.

  110. Micromachined silicon lenses for submm and FIR astrophysics
    A. G. Taboada; J. Bueno; M. Silva - López; J. M. Rico - García; E. López - Camacho; N. Llombart; J. Alda; J. L. Costa-Krämer;
    In 14th International Workshop on Low Temperature Detectors,
    Heidelberg University, Heidelfberg, Germany, August 2011.

  111. Optical characterization of the quantum capacitance detector at 200um
    J. Bueno; N. Llombart; P. K. Day; P. M. Echternach;
    In 14th International Workshop on Low Temperature Detectors,
    Heidelberg University, Heidelfberg, Germany, August 2011.

  112. Silicon Micro-Lens Antennas for THz integrated arrays
    M. Alonso; N. Llombart; C. Lee; C. Jung; G. Chattopadhyay; L. Jofre; I. Mehdi;
    In 36th International Conference on Infrared, Millimeter and Terahertz Waves,
    October 2011.

  113. 100 GHz Retina for THz Tomographic Imaging
    M. Alonso; C. E. Garcia - Guerra; E. Nova; J. Abril; J. Romeu; N. Llombart; L. Jofre;
    In 36th International Conference on Infrared, Millimeter and Terahertz Waves,
    October 2011.

  114. Silicon micromachined microlens array for THz antennas
    C. Lee; N. Llombart; C. Jung; G. Chattopadhyay; I. Mehdi;
    In 36th International Conference on Infrared, Millimeter and Terahertz Waves,
    October 2011.

  115. Refocusing a THz reflector imaging system
    B. González Valdés; A. Garcia Pino; O. Rubiños López; N. Llombart;
    In 5th European Conference on Antennas and Propagation,
    April 2011.

  116. Silicon based antennas for THz integrated arrays
    N. Llombart; B. Thomas; M. Alonso; C. Lee; G. Chattopadhyay; L. Jofre; I. Mehdi;
    In 5th European Conference on Antennas and Propagation,
    April 2011.

  117. An integrated arrays on silicon at terahertz frequencies
    G. Chattopadhyay; C. Lee; C. Jung; R. Lin; A. Peralta; I. Mehdi; N. Llombart; B. Thomas;
    In IEEE Antennas and Propagation Society International Symposium,
    July 2011.

  118. An analysis of near fields of 34m antennas of JPL/NASA deep space network
    V. Jamnejad; N. Llombart;
    In IEEE Antennas and Propagation Society International Symposium,
    July 2011.

  119. Current state of the art of the THz imager radar being developed at JPL
    N. Llombart;
    In 6th ESA Workshop on Millimetre-Wave Technology and Applications and 4th Global Symposium on Millimeter Waves,
    May 2011.

  120. Enhanced bow tie feeds for dielectric lens antennas
    A. Neto; N. Llombart;
    In 6th ESA Workshop on Millimetre-Wave Technology and Applications and 4th Global Symposium on Millimeter Waves,
    Espoo, Finland, May 2011.

  121. Leaky wave enhanced feeds for multi-beam reflector systems
    A. Neto; G. Gerini; N. Llombart; M. Ettorre; P.J.I. de Maagt;
    In IEEE Antennas and Propagation Symposium,
    July 2011.

  122. Progress in the development of lens coupled LEKIDs for submm and FIR astrophysics
    J. Bueno; B. Blázquez; A. G. Taboada; J. L. Costa-Kr�mer; N. Llombart;
    In 14th International Workshop on Low Temperature Detectors,
    Heidelberg University, Heidelfberg, Germany, August 2011.

  123. Electromagnetic analysis of lens coupled LEKID detectors for THz astronomical applications
    B. Blázquez; A. Neto; N. Llombart; J. Bueno;
    In 36th International Conference on Infrared, Millimeter and Terahertz Waves,
    October 2011.

  124. Terahertz antenna system for a near video rate radar imager
    N. Llombart; K. B. Cooper; R. J. Dengler;
    IEEE Antennas and Propagation Magazine,
    Volume 52, Issue 5, pp. 251-259, October 2010.
    document

  125. Submillimeter-wave 90 polarization twists for integrated waveguide circuits
    G. Chattopadhyay; J. S. Ward; N. Llombart; K.B. Cooper;
    IEEE Microwave and Wireless Components Letters,
    Volume 20, Issue 11, pp. 529-594, November 2010.
    document

  126. Time delay multiplexing of two beams in a terahertz imaging radar
    N. Llombart; K. B. Cooper; R. J. Dengler; T. Bryllert; G. Chattopadhyay; P. H. Siegel;
    IEEE Transactions on Microwave Theory and Techniques,
    Volume 58, Issue 7, pp. 1999-2007, July 2010.
    document

  127. Confocal ellipsoidal reflector system for a mechanically scanned active terahertz imager
    N. Llombart; K. B. Cooper; R. J. Dengler; T. Bryllert; P. H. Siegel;
    IEEE Transactions on Antennas and Propagation,
    Volume 58, Issue 6, pp. 1834-1841, June 2010.
    document

  128. Fast, high-resolution terahertz radar imaging at 25 meters
    K. B. Cooper; R. J. Dengler; N. Llombart; A. Talukder; A. V. Panangadana; C. S. Peaya; P. Siegel;
    In SPIE Conferece on Defense, Security and Sensing,
    Orlando, FL, USA, April 2010.

  129. Radiometer-on-a-chip: A path towards super-compact submm imaging arrays
    I. Mehdi; B. Thomas; C. Lee; R. Lin; G. Chattopadhyay; J. Gill; N. Llombart; K. B. Cooper; P. H. Siegel;
    In SPIE Conferece on Defense, Security and Sensing,
    Orlando, FL, USA, April 2010.

  130. Study of the UWB leaky lens antenna for a THz time domain system
    N. Llombart; A. Neto; P. H. Siegel;
    In IEEE Antennas and Propagation Society International Symposium,
    July 2010.

  131. Extended hemispherical silicon lens excited by a leaky wave waveguide feed
    N. Llombart; G. Chattopadhyay;
    In 4th European Conference on Antennas and Propagation,
    April 2010.

  132. Terahertz reflector antenna system for a scanned and multiplexed FMCW radar
    N. Llombart; K. B. Cooper; R. J. Dengler; P. H. Siegel;
    In IEEE Antennas and Propagation Society International Symposium,
    July 2010.

  133. UWB leaky lens antenna as an improved performance emitter in a THZ time domain system
    N. Llombart; A. Neto; P. H. Siegel; D. Saeedkia;
    In 4th European Conference on Antennas and Propagation,
    April 2010.

  134. The UWB leaky lens antenna for time domain sensing in the THz regime
    A. Neto; N. Llombart; P.H. Siegel; D. Saeedkia;
    In 32nd ESA Antenna Workshop on Antenna for Space Applications,
    Noordwijk, The Netherlands, October 2010.

  135. Physical optics characterization of a THz time domain system: UWB leaky lens antenna vs. Austin switch
    N. Llombart; A. Neto; P. H. Siegel;
    In 35th International Conference on Infrared, Millimeter and Terahertz Waves,
    September 2010.

  136. Micro-lens antenna for integrated THz arrays
    N. Llombart; G. Chattopadhyay; C. Lee;
    In iWAP,
    Lisbon, Portugal, March 2010.

  137. Overlapped EBG\ s as feed enhancers for multi beam reflector systems: demonstrator performances
    A. Neto; G. Gerini; N. Llombart; M. Ettorre; P.J.I de Maagt;
    In 32nd ESA Antenna Workshop on Antenna for Space Applications,
    Noordwijk, The Netherlands, October 2010.

  138. Design of a low loss metallo-dielectric EBG waveguide at submillimeter wavelengths
    N. Llombart; A. Mazzinghi; P. H. Siegel; A. Freni;
    IEEE Microwave and Wireless Components Letters,
    Volume 19, Issue 7, pp. 437-439, July 2009.
    document

  139. A 600 GHz imaging radar for concealed objects detection
    T. Bryllert; R. J. Dengler; K. B. Cooper; N. Llombart; G. Chattopadhyay; E. Schlecht; J. Gill; C. Lee; A. Skalare; I. Mehdi; P. H. Siegel;
    In IEEE Radar Conference,
    Pasadena, CA, USA, May 2009.
    document

  140. Optimization of a metallo-dielectric EBG waveguide
    A. Mazzinghi; N. Llombart; A. Freni; P. H. Siegel and;
    In IEEE Antennas and Propagation Society International Symposium,
    June 2009.

  141. Narrow angle lens antenna for THz applications
    N. Llombart; G. Chattopadhyay; J. Gill; A. Skalare; I. Mehdi; P. H. Siegel;
    In IEEE Antennas and Propagation Society International Symposium,
    June 2009.

  142. Design of a two-pixel 670 GHz imaging radar using a single Tx/Rx module
    N. Llombart; K. B. Cooper; G. Chattopadhyay; R. J. Dengler; J. Ward; I. Mehdi; P. H. Siegel;
    In IEEE Antennas and Propagation Society International Symposium,
    June 2009.

  143. Toward real-time penetrating imaging radar at 670 GHz
    R. J. Dengler; K. B. Cooper; N. Llombart; G. Chattopadhyay; T. Bryllert; I. Mehdi; P. H. Siegel;
    In International Microwave Symposium,
    Boston, MA, USA, pp. 941-944, June 2009.
    document

  144. Beam width robustness of a 670 GHz imaging radar
    K. B. Cooper; N. Llombart; R. J. Dengler; P. H. Siegel and;
    In International Conference on Electromagnetics in Advanced Applications,
    September 2009.

  145. Planar circularly symmetric electromagnetic band-gap antennas for low cost high performance integrated antennas
    A. Neto; N. Llombart; G. Gerini; P. de Maagt;
    In 3rd European Conference on Antennas and Propagation,
    March~23-27 2009.

  146. Penetrating 3D imaging at 4 and 25 meter range using a submillimeter-wave radar
    K. B. Cooper; R. J. Dengler; N. Llombart; T. Bryllert; G. Chattopadhyay; E. Schlecht; J. Gill; C. Lee; A. Skalare; I. Mehdi; P. H. Siegel;
    IEEE Transactions on Microwave Theory and Techniques,
    Volume 56, Issue 12, pp. 2771-2778, December 2008.
    document

  147. Leaky wave enhanced feed arrays for the improvement of the edge of coverage gain in multi beam antennas
    N. Llombart; A. Neto; G. Gerini; M. Bonnedal; P. de Maagt;
    IEEE Transactions on Antennas and Propagation,
    Volume 56, Issue 5, pp. 1280-1291, May 2008.
    document

  148. Impact of mutual coupling in leaky wave enhanced imaging arrays
    N. Llombart; A. Neto; G. Gerini; M. Bonnedal; P. de Maagt;
    IEEE Transactions on Antennas and Propagation,
    Volume 56, Issue 4, pp. 1201-1206, April 2008.
    document

  149. Cylindrically periodic dielectric waveguide at submillimeter waves
    N. Llombart; P. H. Siegel;
    In IEEE Antennas and Propagation Society International Symposium,
    July 2008.

  150. High-efficiency array for submillimeter-wave imaging applications
    N. Llombart; A. Sakalare; P. H. Siegel;
    In IEEE Antennas and Propagation Society International Symposium,
    July 2008.

  151. Study of cylindrically periodic dielectric waveguides at submillimeter waves
    N. Llombart; P. H. Siegel;
    In 33th International Conference on Infrared, Millimeter and Terahertz Waves,
    September 2008.

  152. Concealed object contrast enhancement using radar methods in a submillimeter-wave active imager
    K. B. Cooper; R. J. Dengler; N. Llombart; T. Bryllert; G. Chattopadhyay; E. Schlecht; J. Gill; C. Lee; A. Skalare; I. Mehdi; P. H. Siegel;
    In 33th International Conference on Infrared, Millimeter and Terahertz Waves,
    September 2008.

  153. High efficiency submillimeter-wave imaging array
    N. Llombart; A. Skalare; J. J. Gil; P. H. Siegel;
    In 33rd International Conference on Infrared, Millimeter and Terahertz Waves,
    September 2008.

  154. THz heterodyne imaging applications,instruments and directions
    N. Llombart; T. Bryllert; G. Chattopadhyay; K. Cooper; R. Dengler; J. Gill; A. J. McNary; I. Mehdi; E. Schlecht; A. Skalare; P. H. Siegel;
    In 38th European Microwave Conference,
    October 2008.

  155. Impedance matching of a micromesh bolometer placed in a silicon parallel plate waveguide spectrometer
    N. Llombart; C. M. Bradford; A. Neto; A.; G. Chattopadhyay;
    In IEEE Antennas and Propagation Society International Symposium,
    July 2008.

  156. Sector PCS-EBG antenna for low-cost high-directivity applications
    M. Ettorre; S. Bruni; N. Llombart; A. Neto; G. Gerini; S. Maci;
    IEEE Antennas and Wireless Propagation Letters,
    Volume 6, pp. 537-539, 2007.
    document

  157. 1D scanning arrays on dense dielectrics using PCS-EBG technology
    N. Llombart; A. Neto; G. Gerini; P. De Maagt;
    IEEE Transactions on Antennas and Propagation,
    January 2007.
    document

  158. EBG enhanced feeds for high aperture efficiency reflector antennas
    A. Neto; N. Llombart; G. Gerini; M. Bonnedal; P. de Maagt;
    IEEE Transactions on Antennas and Propagation,
    Volume 55, Issue 7, pp. 1-5, August 2007.
    document

  159. Wideband localization of the dominant leaky wave poles in dielectric covered antennas
    A. Neto; N. Llombart;
    IEEE Antennas and Wireless Propagation Letters,
    Volume 5, Issue 1, pp. 549-551, December 2006.
    document

  160. On the optimal radiation bandwidth of printed slot antennas surrounded by EBGs
    A. Neto; N. Llombart; G. Gerini; P.J. de Maagt;
    IEEE Transactions on Antennas and Propagation,
    Volume 54, Issue 4, April 2006.
    document

  161. Problem-matched basis functions for microstrip coupled slot antennas based on transmission line Green\s functions"
    S. Bruni; N. Llombart; A. Neto; G. Gerini; S. Maci;
    IEEE Transactions on Antennas and Propagation,
    Volume 53, Issue 11, pp. 4060-4063, November 2005.
    document

  162. Planar circularly symmetric EBG structures for reducing surface waves in printed antennas
    N. Llombart; A. Neto; G. Gerini; P.J. de Maagt;
    IEEE Transactions on Antennas and Propagation,
    Volume 53, Issue 10, pp. 3210-3218, October 2005.
    document

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