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2010 Table of Contents

TWENTY-FIRST INTERNATIONAL SYMPOSIUM

ON SPACE TERAHERTZ TECHNOLOGY

March 23-25, 2010

Oxford University's Said Business Center and the STFC Rutherford Appleton Laboratory

Oxford, UK

1. Session 1: THz Telescopes

   • The Stratospheric Observatory for Infrared Astronomy (SOFIA)

     R.D. Gehrz and E.E. Becklin

   • Far-Infrared Interferometery from Antartica

     H. Matsuo

   • The HI-FI OD-81 Anomaly

     W. Jellema, H. Jacobs, B.-J. van Leeuwen, P. Orleanski, W. Nowosielski, M. Stokroos, M. Michalska, T. Klein, A. de Jonge, A. di Giorgio, D. Teyssier, C. Risacher, P. Dieleman, J. Pearson, M. Olberg, T. Marston, P. Roelfsema, and F. Helmich

   • Herschel/HIFI In-flight Commissioning and Performance

     D. Teyssier, C. Risacher, P. Dieleman, W. Laauwen, A. de Jonge, J. Braine, M. Caris, O. Coeur-Joly, B. Delforge, F. Helmich, F. Herpin, R. Higgins, W. Jellema, T. Klein, J. Kooi, C. Leinz, K. Edwards, A. Marston, P. Morris, M. Olberg, V. Ossenkopf, J. Pearson, P. Roelfsema, and R. Shipman

   • The Stratospheric THz Observatory (STO): 1st Test Flight

     C. Walker, C. Kulesa, J. Koostermann, T. Cottam, C. Groppi, P. Bernasconi, H. Eaton, N. Rolander, D. Neufeld, C. Lisse, A. Stark, D. Hollenbach , J. Kawamura, P. Goldsmith, W. Langer, H. Yorke, J. Sterne, A. Skalare, I. Mehdi, S. Weinreb, J. Kooi , J. Stutzski, U. Graf, C. Honingh, P. Puetz , C. Martin, D. Lesser, Mark Wolfire

2. Session 2: THz Sources

   • Photonic Local Oscillators for Terahertz Radio Astronomy

     I. C. Mayorga, A. Schmitz, C. Leinz, T. Klein, A. Dewald, and R. Güsten

   • GaAs Varactor Multipliers Based on Transferred Substrate Technology

     M. Henry, B. Alderman, H. Sanghera, P. Maagt, and D. Matheson

   • Effect of Feedback on Quantum Cascade Laser Performance

     M.C. Wanke, M. Lee, C.D. Nordquist, M.J. Cich, C.T. Fuller, A.D. Grine and J.L. Reno

   • Development of Local Oscillators for CASIMIR

     R. Lin, B. Thomas, J. Ward, A. Maestrini, E. Schlecht, G. Chattopadhyay, J. Gill, C. Lee, S. Sin, F. Maiwald, and I. Mehdi

   • Superlattice Electronic Devices as Compact Terahertz Sources

     H. Eisele, S. P. Khanna, and E.H. Linfield

   • A Compact, Continuous-Wave Radiation Source for Local Oscillator Applications Based on a Quantum-Cascade Laser

     H. Richter, M. Greiner-Bär, S.G. Pavlov, A.D. Semenov, M. Wienold, L. Schrottke, M. Giehler, R. Hey, H.T. Grahn, and H.-W. Hübers

3. Session 3: Direct Detectors I

   • Towards Ultra-Low-Noise Transition Edge Sensors for Millimeter-Wave and Far-Infrared Space Telescopes (Invited Talk)

     S. Withington, J.R. Gao, D. Glowacka, D. Goldie, D. Griffin, P. Khosropanah, P. Mauskopf, D. Morozov, A. Murphy, C.O. Sullivan, M. Ridder, and N. Trappe

   • Superconducting Thermo-Electric Bolometer for Cosmology Instruments

     L. Kuzmin

   • Development, Fabrication and Characterization of Lumped Element Kinetic Inductance Detectors for NIKA

     M. Roesch, L. Swenson, A. Bideaud, A. Benoit, S. Doyle, K.F. Schuster, and A. Monfardini

   • Performance of a Microstrip-coupled TES Imaging Module for CMB Polarimetry

     M.D. Audley, D. Glowacka, D.J. Goldie, V. Tsaneva, S. Withington, L. Piccirillo, G. Pisano, P. Grimes, G. Yassin, P.A.R. Ade, C. North, K.D. Irwin, and M. Halpern

   • Transition Edge Sensor Thermometry for On-chip Materials Characterization

     D.J. Goldie, D.M. Glowacka, K. Rostem, and S. Withington

   • Demonstration of Multiplexed Operation of Hot-Electron Detectors Using MSQUIDs

     B.S. Karasik, P.K. Day, J.H. Kawamura, S.P. Monacos, B. Bumble, H.G. LeDuc, and R. Cantor

   • Hysteretic Thermal Switching Due to Readout Power Heating in Kinetic Inductance Detectors

     P. de Visser, S. Withington and D. Goldie

4. Session 4: Optics and Waveguides

   • A THz FTS for Site Testing at Dome A

     S.-C. Shi, S. Paine, Q.J. Xao, X.X. Li, X.G. Zhang, Z.H. Lin, K.M. Zhou, Q.C. Huang, H. Matsuo, J. Yang, and Q.Z. Zhang

   • Electromagnetic Simulations of the Partially Coherent Optical Behaviour of Resistive Film TES Detectors

     C.N. Thomas and S. Withington

   • Measured Performance of a 230 GHz Prototype Focal-plane Feedhorn Array Made by Direct Drilling of Smooth-walled Horns

     J. Leech, B.K. Tan, G. Yassin, P. Kittara, A. Jiralucksanawong, and S. Wangsuya

   • Measurements of the Offset-Cassegrain Antenna of JEM/SMILES Using a Near-Field Phase-Retrieval Method in the 640 GHz Band

     T. Manabe, T. Nishibori, K. Mizukoshi, F. Ohtsubo, and S. Ochiai

   • Analysis of the ALMA Telescopes and Front-ends

     S. Sørensen and K. Pontoppidan

5. Session 5: THz Systems and Receivers

   • A 1THz Receiver System at APEX

     C. Leinz, M. Caris, T. Klein, G. de Lange, T. Zijlstra, T.M. Klapwijk, H.J. Wunsch, and R. Güsten

   • A 9-Beam 2SB Receiver for Millimeter-Wave Radio Astronomy

     W.L. Shan, J. Yang, S.C. Shi, Q.J. Yao, Y.X. Zuo, S.H. Chen, Q.C. Huang, A.Q. Cao, Z.H. Lin, X.G. Zhang, W.Y. Duan, S. Li, P. Yang, J.Q. Zhong, Z.Q. Li, J. Liu, and K. Liu

   • ALMA Band 5 Cartridge Performance

     B. Billade, I. Lapkin, O. Nystrom, E. Sundin, M. Fredrixon, R. Finger, H. Rashid, V. Desmaris, D. Meledin, A. Pavolotsky, and V. Belitsky

   • Measurement Results of the Caltech Submillimeter Observatory 230 GHz and 460 GHz Balanced Receivers

     J.W. Kooi, R.R. Monje , B.L. Force, F. Rice, D. Miller, and T.G. Phillips

   • CASIMIR: A High Resolution, Far-IR/Submm Spectrometer for Airborne Astronomy

     M.L. Edgar, M. Emprechtinger, A. Karpov, R. Lin, S. Lin, F. Maiwald, I. Mehdi, D. Miller, S.J. E. Radford, F. Rice, J. Ward, and J. Zmuidzinas

6. Session 6: Schottky Diodes and Mixers

   • TeraHertz Schottky-Diode Balanced Mixers

     N. Erickson and T.M. Goyette

   • Full Waveguide Band Schottky Mixers for Terahertz Applications

     K. Hui, J.L. Hesler and T.W. Crowe

   • An 874 GHz Fundamental Balanced Mixer Based on MMIC Membrane Planar Schottky Diodes

     B. Thomas, A. Maestrini, J. Gill, C. Lee, R. Lin, I. Mehdi and P. de Maagt

   • 183 GHz Mixer on InGaAs Schottky Diodes

     I. Oprea, A. Walber, O. Cojocari, H. Gibson, R. Zimmermann, and H.L. Hartnagel

   • A 530-600 GHz Silicon Micro-machined Integrated Receiver Using GaAs MMIC Membrane Planar Schottky Diodes

     B. Thomas, C. Lee, A. Peralta, J. Gill, G. Chattopadhyay, S. Sin, R. Lin and I. Mehdi

   • Electro-thermal Model for the Design of Schottky Diode Based Circuits

     J. Grajal, C.-G. Pérez and B. Mencía

7. Session 7: Calibration and Measurements

   • ALMA Front-End Verification Using a Dry Cold Load

     Y. Lee, B. Ellison, P. Huggard, M. Harman, A. Boughriet, W. Bartynowski, M. Oldfield, N. Morris, P. Hekman, and G.H. Tan

   • Development of Conical Calibration Targets for ALMA

     A. Murk, P. Yagoubov, R. Wylde, G. Bell, and I. Zivkovic

   • Harmonic Mixers for VNA Extenders to 900GHz

     H.J.E. Gibson, A. Walber, R. Zimmerman, B. Alderman, and O. Cojocari

8. Session 8: Earth Observations

   • Performance of JEM/SMILES in Orbit

     S. Ochiai, K. Kikuchi, T. Nishibori, T. Manabe, H. Ozeki, K. Mizukoshi, F. Ohtsubo, K. Tsubosaka, Y. Irimajiri, R. Sato, and M. Shiotani

   • ISMAR: Towards a Sub Millimetre-Wave Airborne Demonstrator for the Observation of Precipitation and Ice Clouds

     B. Moyna, C. Lee, J. Charlton, I. Rule, R. King, M. Oldfield and V. Kangas

   • Laboratory and Ground Testing Results from ATOMMS: the Active Temperature, Ozone and Moisture Microwave Spectrometer

     E. R. Kursinski, A. Young, A. Otarola, M. Stovern, B. Wheelwright, D. Ward, K. Sammler, R. Stickney, C. Groppi, S. A. Banna, M. Schein, S. Bell, W. Bertiger, M. Miller, H. Pickett

   • TELIS: TErahertz and subMMW LImb Sounder – Project Summary After First Successful Flight

     M. Birk, G. Wagner, G. de Lange, A. de Lange, B. N. Ellison, M. R. Harman, A. Murk, H. Oelhaf, G. Maucher and C. Sartorius

9. Session 9: Superconducting Mixers

   • 1.4 THz SIS Mixer Using Nb and Al Tuning Circuit

     A. Karpov, D. Miller, J. A. Stern, F. Rice, H. G. LeDuc, J. Zmuidzinas

   • Designs of Broadband Unilateral Finline SIS Mixers Employing 15 µm Silicon-On-Insulator Substrate at THz Frequencies

     B.-K. Tan, G. Yassin, P. Grimes and K. Jacobs

   • An SIS Unilateral Finline Mixer with an Ultra-wide IF Bandwidth

     Y. Zhou, J. Leech, P. Grimes and G. Yassin

   • A 1.5 THz Waveguide HEB Mixer Using Silicon-on-Insulator Substrates for Stratospheric Terahertz Observatory

     J. Kawamura, A. Skalare, J. Stern, and E. Tong

   • Gain Bandwidth and Noise Temperature of NbN HEB Mixers with Simultaneous Phonon and Diffusion Cooling

     A. Maslennikova, I. Tretyakov, S. Ryabchun, M. Finkel, N. Kaurova, B. Voronov, and G. Gol'tsman

   • Noise Temperature and Beam Pattern of a Quasioptical Heterodyne Receiver based on NbN Hot Electron Bolometer Mixer at 5.25 THz

     W. Zhang, P. Khosropanah, J. R. Gao, T. Bansal, T. M. Klapwijk, W. Miao, and S. C. Shi

10. Session 10: THz Systems and Planetary Missions

    • The Background-Limited Infrared Submillimeter Spectrograph (BLISS) for SPICA

      C. M. Bradford on behalf of the BLISS-SPICA study team

    • Gas Cell Measurement Using a 2.9 THz Heterodyne Receiver Based on a Quantum Cascade Laser and a Superconducting Hot Electron Bolometer

      Y. Ren, J.N. Hovenier, R. Higgins, J.R. Gao, T.M. Klapwijk, S.C. Shi, A. Bell, B. Klein, T-Y. Kao, S. Kumar, Q. Hu, and J. L. Reno

    • A Flexible Quasioptical Input System for a Submillimeter Multi-Object Spectrometer

      P.F. Goldsmith and M. Seiffert

    • Wide-band Heterodyne Submillimetre Wave Spectrometer for Planetary Atmospheres

      E. Schlecht

    • ORTIS – ORbiter Terahertz Infrared Sounder

      B.N. Ellison, P.G.J. Irwin, S.B. Calcutt, S. Rea, B. Alderman, N. Bowles, R. Irshad, and J. Hurley

11. Session 11: Direct Detectors II

    • A TES Focal Plane for SPICA-SAFARI

      P. D. Mauskopf, P. A. R. Ade, J. Beyer, M. Bruijn, J. R. Gao, D. Glowacka, D. Goldie, D. Griffin, M. J. Griffin, H. F. C. Hoevers, P. Khosrapanah, P. Kooijma, P. A. J. D. Korte, D. Morozov, A. Murphy, C. O'Sullivan, M. Ridder, N. Trappe, H. V. Weers, J. V. D. Kuur, S. Withington

    • Cold-Electron Bolometer Array Integrated with a 350 GHz Cross-Slot Antenna

      M. A. Tarasov, L. S. Kuzmin, N. S. Kaurova, E. A. Otto, G. Yassin, and P. de Bernardis

    • Development of a MKID Camera for APEX

      S. Heyminck, B. Klein, R. Güsten, C. Kasemann, A. Baryshev, J. Baselmans, S. Yates, and T.M. Klapwijk

    • An Update on MUSIC: A Kinetic Inductance Detector Camera for Sub/Millimeter Astrophysics at the Caltech Submillimeter Observatory

      M. I. Hollister, N. G. Czakon, P. K. Day, R. Duan, J. G. , J. Glenn, S. Golwala, H. LeDuc, P. R. Maloney, B. Mazin, H. T. Nguyen, O. Noroozian, J. Sayers, J. Schlaerth, S. Siegel, J. E. Vaillancourt, A. Vayonakis, P. Wilson, and J. Zmuidzinas

    • Design and Readout of Large MKID Arrays for Submillimeter Astronomy

      J. A. Schlaerth, O. Noroozian, N. G. Czakon, P. K. Day, T. Downes, R. Duan, J. Gao, J. Glenn, S. Golwala, M. I. Hollister, H. G. LeDuc, P. R. Maloney, B. A. Mazin, H. T. Nguyen, J. Sayers, S. Siegel, J.E. Vaillancourt, A. Vayonakis, and J. Zmuidzinas

12. Poster Session 1: Astronomical Telescopes

    • Pico Veleta Atmospheric Noise Limits At Millimeter Wavelengths

      D. J. Benford, D. J. Fixsen, S. Leclercq and J. G. Staguhn

13. Poster Session 2: Direct Detectors

    • Comparative Performance of Mo/Cu vs. Mo/Au Transition Edge Sensors for Space Science Applications

      D. M. Glowacka, D. J. Goldie, and S. Withington

    • Cold-Electron Bolometer Integrated with a Unilateral Finline

      E. A. Otto, M. A. Tarasov, P. K. Grimes, L. S. Kuzmin, and G. Yassin

    • Ultra-sensitive Transition-edge Sensors for Far-Infrared Spectroscopy on SPICA

      A. D. Beyer, M. Kenyon, J. Bueno, P. M. Echternach, J.J. Bock, C.M. Bradford

    • Optical NEP in Hot-Electron Nanobolometers

      B.S. Karasik and R. Cantor

    • Focal Plane Arrays of Thermo-Electric Bolometers

      S. Mahashabde, L. Kuzmin, M. Tarasov, P. Day, and J. Zmuidzinas

14. Poster Session 3: Earth Observation

    • TELIS SIR Channel Performance Analysis

      G. de Lange, O. Kiselev, P. Yagoubov, H. Golstein, A. de Lange, B. van Kuik, J. van Rantwijk, E. de Vries, J. Dercksen, R. Hoogeveen, M. Birk, G. Wagner, A. Ermakov, V. Koshelets

    • High Performance Component Development at RAL for the ISMAR Instrument

      M. Henry, B. Alderman, B. Moyna, S. Rea, H. Sanghera, D. Matheson

    • Charaterisation of the TELIS Autocorrelator Spectrometer

      P. Vogt, M. Birk, G. Wagner, F. Geiger, G. de Lange, H. Golstein, O. Kiselev, A. Emrich

15. Poster Session 4: Novel Devices and Measurements

    • On-Wafer Penetration Depth Measurements of Superconducting Films

      M. E. Cyberey, R. M. Weikle and A. W. Lichtenberger

    • Terahertz Imaging with a Highly-sensitive Quantum Dot Detector

      S. Spasov, S. Pelling, R. Davis, V. Antonov, L.V. Kulik, and S. Kubatkin

    • Single Wall Carbon Nanotube (SWCNT) Devices as THz Detectors and Mixers

      E. Carrion, M. Muthee, Z. Chen, J. Nicholson, E. Polizzi, and S. Yngvesson

    • THz Vector Network Analyzer Measurements and Calibration

      J. L. Hesler, Y. Duan, B. Foley and T. W. Crowe

    • Development of Microwave and Terahertz Detectors Utilizing AlN/GaN High Electron Mobility Transistors

      L. Liu, B. Sensale-Rodriguez, Z. Zhang, T. Zimmermann, Y. Cao, D. Jena, P. Fay, and H. Xing

16. Poster Session 5: Optics and Waveguides

    • A Waveguide Orthomode Transducer for 385-500 GHz

      A. Navarrini, C. Groppi, and G. Chattopadhyay

    • Automated CNC Micromachining for Integrated THz Waveguide Circuits

      C. E. Groppi, B. Love, M. Underhill, C. Walker

    • Silicon Micromachining Technology for Passive THz Components

      C. Lee, B. Thomas, G. Chattopadhyay, A. Peralta, R. Lin, C. Jung, and I. Mehdi

    • Performance of Planar Ortho-Mode Transducers for CMB Satellite Missions

      J. Zhang, P. Mauskopf, S. Withington, D. Goldie, D. Glowacka

    • VNA-Calibration and S-Parameter Characterization of Submillimeter Wave Integrated Membrane Circuits

      H. Zhao, A.-Y. Tang, P. Sobis-, T. Bryllert, K. Yhland, J. Stenarson, J. Stake

    • Revisiting the ALMA Band 1 Optics Design

      P. Zorzi, D. Henke, S. Claude, P. Mena, L. Bronfman, and J. May

    • Towards Standardized Waveguide Sizes and Interfaces for Submillimeter Wavelengths

      N. M. Ridler, R. A. Ginley, J. L. Hesler, A. R. Kerr, R. D. Pollard, D. F. Williams

    • THz Waveguide Couplers Using Quartz Micromachining

      J. L. Hesler and A. W. Lichtenberger

    • Design and Analysis of Active Frequency Selective Surfaces with Organic Semiconductor

      H. Su, X. Liu, D. Li, X. Chen, C. G. Parini and T. Kreouzis

17. Poster Session 6: Receivers

    • Construction of a Heterodyne Receiver for Band 1 of ALMA

      N. Reyes, P. Zorzi, C. Jarufe, P. Altamirano, F. P. Mena, J. Pizarro, L. Bronfman, J. May, C.Granet, and E. Michael

    • Testing and Integration of Supercam, a 64- Pixel Array Receiver for the 350 GHz Atmospheric Window

      C. Groppi, C. Walker, C. Kulesa, D. Golish, J. Kloosterman, S. Weinreb, G. Jones, J. Barden, H. Mani, T. Kuiper, J. Kooi, A. Lichtenberger

    • Integrated Setup for THz Receiver Characterization

      O. Nyström, H. Rashid, B. Billade, E. Sundin, M. Fredrixson, G. Johnsen, I. Lapkin, D. Meledin, M. Strandberg, R. Finger, A. Pavolotsky, V. Desmaris, and V. Belitsky

    • SNS: Analytic Receiver Analysis Software Using Electrical Scattering Matrices

      O.G. King

    • Water Vapor Radiometer for ALMA: Optical Design and Verification

      S. Cherednichenko, A. Emrich and T. Peacocke

    • Calibration of the Herschel HIFI Instrument Using Gas Cell Measurements

      R. D. Higgins, D. Teyssier, J. C. Pearson, C. Risacher, and N. A. Trappe

18. Poster Session 7: Schottky Diodes

    • Harmonic Generation and Noise in GaAs and GaN Schottky Diodes

      D. Pardo, J. Grajal, B. Mencía, S. Pérez, J. Mateos and T. González

    • Physics-Based Modeling Aspects of Schottky Diodes for Circuit Design Above 1 THz

      J. V. Siles, J. Grajal and A. D. Carlo

    • Design and Fabrication of 190-GHz Dual-Chip Single-Waveguide Schottky Doublers

      J. V. Siles, A. Maestrini, B. Alderman, S. Davies, H. Wang and T. Närhi

    • Parameter Extraction and Geometry Optimisation of Planar Schottky Diodes

      A. Y. Tang, P. Sobis, V. Drakinsky, H. Zhao, and J. Stake

    • A 664 GHz Sub-Harmonic Schottky Mixer

      P. Wilkinson, M. Henry, H. Wang, H. Sanghera, B. Alderman, P. Steenson and D. Matheson

    • Design of a Combined Tripler-Subharmonic Mixer at 330 GHz for Multipixel Application Using European Schottky Diodes

      J. Treuttel, A. Maestrini, B. Alderman, H. Wang, D. Matheson, P. De Maagt

19. Poster Session 8: Superconducting Mixers

    • Microwave-assisted Measurement of the Frequency Response of Terahertz HEB mixers with a Fourier Transform Spectrometer

      Y. V. Lobanov, Cheuk-yu E. Tong, A. S. Hedden,R. Blundell, and G. N. Gol'tsman

    • Superconducting Devices for Radioastronomy; First Steps in Chile: SNS-junction Fabrication

      V. Conte, J. L. Giordano, J. Luzuriaga, J. Zárate and H. Pastoriza

    • Upgrading the SMA 600 GHz Receivers

      A. Hedden, E. Tong, R. Blundell, D.C. Papa, M. Smith, C.E. Honingh, K. Jacobs, P. Pütz, S. Wulff, S. Chang, and Y. Hwang

    • Implementing a Modular 650 GHz Sideband-Separating Mixer

      R. Hesper, A.M. Baryshev, G. Gerlofsma, F.P. Mena, T. Zijlstra and M.C. Spaans

    • Modeling SIS Junction Arrays for APEX Band 3 (385-500 GHz)

      D. Henke, D. Meledin, R. Monje and V. Belitsky

    • Superconducting Integrated THz Receivers

      V. P. Koshelets, P. N. Dmitriev, A. B. Ermakov, L. V. Filippenko, A. V. Khudchenko, N. V. Kinev, P. Kudryashov, O. S. Kiselev, M. Yu. Torgashin, G. de Lange, L. de Jong, P. A. Yagoubov

    • Wideband Receiver Based on AlN Barriers

      A. Brettschneider, T.M. Klapwijk, T. Zijlstra, A. Baryshev, R. Hesper

    • Development of a 1.9 THz Band Hot-Electron Bolometer Heterodyne Receiver with a Quantum Cascade Laser

      H. Maezawa, T. Yamakura,T. Koyama, S. Yamamoto, S. Shiba, T. Shiino, N. Sakai, N. Nakai, M. Seta, A. Mizuno, T. Nagahama, Y. Fukui, Y. Irimajiri, N. Sekine, I. Hosako

20. Poster Session 9: THz Sources

    • Frequency Stabilization of a THz Quantum-Cascade Laser to a Molecular Absorption Line

      H. Richter, S. G. Pavlov, A. D. Semenov, L. Mahler, A. Tredicucci, H. E. Beere, D. A. Ritchie, and H.-W. Hübers

    • A 4.7 THz Gas Laser Local Oscillator for GREAT on SOFIA

      H. Richter, M. Greiner-Bär, B. Günther, K. Rösner, and H.-W. Hübers

    • Development of a HBV Tripler for 0.6 THz

      J. Liljedahl, T. Bryllert, J. Vukusic and J. Stake

    • Vertically Illuminated TW-UTC Photodiodes for Terahertz Generation

      C. Barrientos, V. Calle, M. Diaz, F. P. Mena, J. Vukusic, J. Stake and E. A. Michael

    • Phase-locking of Flux-Flow Oscillator by Harmonic Mixer Based on SIS Junction

      K. V. Kalashnikov, A. V. Khudchenko, P. N. Dmitriev, V. P. Koshelets and A. M. Baryshev

    • 3.5 THz Surface Emitting Distributed Feedback QCL Operated at 70 K as Local Oscillator

      Y. Ren, P.J. de Visser, J.N. Hovenier, W.Zhang, P. Khosropanah, J.R. Gao, T.M. Klapwijk, S.C. Shi, T-Y. Kao, S. Kumar, Q. Hu, and J. L. Reno

    • Development and Characterization of a 1.9THz LO Source

      T.W. Crowe, J.L. Hesler, C. Pouzou, W.L. Bishop, G.S. Schoenthal

21. Participants List

The National Radio Astronomy Observatory is a facility of the National Science Foundation
operated under cooperative agreement by Associated Universities, Inc.