Christopher K Walker

  • 2013 Citations
  • 26 h-Index
1986 …2017
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Research Output 1986 2017

  • 2013 Citations
  • 26 h-Index
  • 77 Conference contribution
  • 67 Article
2017

A 4.7 THz HEB QCL receiver for STO2

Hayton, D. J., Gao, J. R., Laauwen, W., Mirzaei, B., Khudchenko, A., Kloosterman, J. L., Paveliev, D., Hu, Q., Kao, W., Vax, V. & Walker, C. K. 2017 27th International Symposium on Space Terahertz Technology, ISSTT 2016. International Symposium on Space Terahertz Technology

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Bolometers
Quantum cascade lasers
Hot electrons
quantum cascade lasers
bolometers

Spectral characterization of linear isotropic and anisotropic dielectric materials using terahertz measurement systems

Seligman, J., Walker, C., Sternberg, B. & Green, C. Feb 1 2017 88th ARFTG Microwave Measurement Conference: Power Amplifiers and Systems Design for Wireless Application, ARFTG 2016. Institute of Electrical and Electronics Engineers Inc., 7839724

Research output: Chapter in Book/Report/Conference proceedingConference contribution

polarization (waves)
Low density polyethylenes
Millimeter waves
millimeter waves
Polyethylenes
2016
1 Citations

Optical design for the large balloon reector

German, C. M., O'dougherty, S., Walker, C., Goldsmith, P. F., Groppi, C., Smith, S. & Bernasconi, P. 2016 Ground-Based and Airborne Telescopes VI. SPIE, Vol. 9906, 99061Y

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Balloon
Optical design
Corrector
Balloons
Optical Design

Results of using permanent magnets to suppress Josephson noise in the KAPPa SIS receiver

Wheeler, C. H., Neric, M., Groppi, C. E., Underhill, M., Mani, H., Weinreb, S., Russell, D. S., Kooi, J. W., Lichtenberger, A. W., Walker, C. K. & Kulesa, C. 2016 Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VIII. SPIE, Vol. 9914, 99141W

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Permanent Magnet
permanent magnets
Permanent magnets
Receiver
receivers
2015

10 Meter sub-orbital large balloon reflector (LBR)

Lesser, D., Walker, C. K., Smith, I. S., Goldsmith, P. F., Cortes, G., Dougherty, S., Swift, B., Kloosterman, J., Honniball, C., Young, A., Peters, W., Kulesa, C., Perry, W., Noll, J., Bernasconi, P., Groppi, C., Mani, H. & Duffy, B. Nov 11 2015 IRMMW-THz 2015 - 40th International Conference on Infrared, Millimeter, and Terahertz Waves. Institute of Electrical and Electronics Engineers Inc., 7327547

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Balloons
balloons
Telescopes
reflectors
telescopes

Cryogenics on the stratospheric terahertz observatory (STO)

Mills, G., Young, A., Dominguez, R., Duffy, B., Kulesa, C. & Walker, C. Dec 18 2015 IOP Conference Series: Materials Science and Engineering. 1 ed. Institute of Physics Publishing, Vol. 101, 012131

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Upper atmosphere
Observatories
Cryogenics
Cryostats
Balloons
2 Citations

SuperCam: A 64 pixel SIS receiver array for submillimeter-wave astronomy

Walker, C. K. Jul 24 2015 2015 IEEE MTT-S International Microwave Symposium, IMS 2015. Institute of Electrical and Electronics Engineers Inc., 7166873

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Submillimeter waves
Galaxies
Astronomy
Pixels
Planets
2014

10 meter sub-orbital large balloon reflector (LBR)

Walker, C. K., O'Dougherty, S., Duffy, B., Peters, W., Lesser, D., Kulesa, C., Smith, I. S., Noll, J., Goldsmith, P. F., Groppi, C. E., Mani, H. & Bernasconi, P. 2014 IEEE Aerospace Conference Proceedings. IEEE Computer Society, 6836469

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Balloons
balloons
telecommunication
Telescopes
reflectors
1 Citations

10 Meter sub-orbital large balloon reflector (LBR)

Walker, C. K., Smith, I. S., Goldsmith, P. F., O'Dougherty, S., Swift, B., Lesser, D., Kloosterman, J., Honniball, C., Young, A., Peters, W., Kulesa, C., Perry, W., Noll, J., Bernasconi, P., Groppi, C. E., Mani, H. & Duffy, B. Nov 13 2014 International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz. IEEE Computer Society, 6956048

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Balloons
Telescopes
NASA
1 Citations

A 4.7 THz HEB/QCL heterodyne receiver for STO-2

Hayton, D. J., Kloosterman, J. L., Gao, J. R., Vercruyssen, N., Walker, C. K., Hu, Q. & Kao, T. Y. Nov 13 2014 International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz. IEEE Computer Society, 6956203

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Bolometers
Quantum cascade lasers
Hot electrons
Upper atmosphere
Balloons
8 Citations

A 4.7THz heterodyne receiver for a balloon borne telescope

Hayton, D. J., Kloosterman, J. L., Ren, Y., Kao, T. Y., Gao, J. R., Klapwijk, T. M., Hu, Q., Walker, C. K. & Reno, J. L. 2014 Proceedings of SPIE - The International Society for Optical Engineering. SPIE, Vol. 9153, 91531R

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Quantum cascade lasers
Balloon
Heterodyne
Balloons
balloons
1 Citations

A vector network analyzer-based near field scanner for MM-wave and THz receivers

Davis, K., Groppi, C., Mani, H., Wheeler, C. & Walker, C. Nov 13 2014 International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz. IEEE Computer Society, 6956133

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electric network analyzers
Antennas
Costs
2 Citations

Engineering and science data from SuperCam: A 64-pixel heterodyne receiver for CO J=3-2 at 345 GHz

Kloosterman, J., Swift, B., Peters, W., Lesser, D., Kulesa, C., Honniball, C., Villegas, C., Schickling, P., Walker, C., Groppi, C., Mani, H., Davis, K., Wheeler, C., Veach, T., Weinreb, S., Kooi, J., Lichtenberger, A., Puetz, P. & Narayanan, G. Nov 13 2014 International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz. IEEE Computer Society, 6956072

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Pixels
Telescopes
Superconducting materials
Mixer circuits
Antenna grounds

Methodology for a sub-millimeter near-field beam pattern measurement system

Davis, K. K., Groppi, C., Mani, H., Wheeler, C. & Walker, C. 2014 Proceedings of SPIE - The International Society for Optical Engineering. SPIE, Vol. 9153, 91533F

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electric network analyzers
Near-field
Measurement System
analyzers
near fields
7 Citations

The kilopixel array pathfinder project (KAPPa), a 16-pixel integrated heterodyne focal plane array: Characterization of the single pixel prototype

Wheeler, C. H., Groppi, C. E., Mani, H., McGarey, P., Kuenzi, L., Weinreb, S., Russell, D. S., Kooi, J. W., Lichtenberger, A. W., Walker, C. K. & Kulesa, C. 2014 Proceedings of SPIE - The International Society for Optical Engineering. SPIE, Vol. 9153, 91530K

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Heterodyne
Focal plane arrays
focal plane devices
Focal Plane
Pixel

The kilopixel array pathfinder project (KAPPa), a 16-pixel integrated heterodyne focal plane array - Characterization of the single pixel prototype

Wheeler, C., Groppi, C., Mani, H., Kuenzi, L., McGarey, P., Weinreb, S., Russell, D., Kooi, J. W., Lichtenberger, A. W., Walker, C. K. & Kulsea, C. Nov 13 2014 International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz. IEEE Computer Society, 6956177

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Focal plane arrays
Pixels
Testing
Electromagnets
Permanent magnets
2013
45 Citations

Hot electron bolometer heterodyne receiver with a 4.7-THz quantum cascade laser as a local oscillator

Kloosterman, J. L., Hayton, D. J., Ren, Y., Kao, T. Y., Hovenier, J. N., Gao, J. R., Klapwijk, T. M., Hu, Q., Walker, C. K. & Reno, J. L. Jan 7 2013 In : Applied Physics Letters. 102, 1, 011123

Research output: Contribution to journalArticle

quantum cascade lasers
bolometers
hot electrons
receivers
oscillators
22 Citations

The mopra Southern galactic plane CO survey

Burton, M. G., Braiding, C., Glueck, C., Goldsmith, P., Hawkes, J., Hollenbach, D. J., Kulesa, C., Martin, C. L., Pineda, J. L., Rowell, G., Simon, R., Stark, A. A., Stutzki, J., Tothill, N. J. H., Urquhart, J. S., Walker, C., Walsh, A. J. & Wolfire, M. 2013 In : Publications of the Astronomical Society of Australia. 30, 1, e044

Research output: Contribution to journalArticle

carbon monoxide
molecular clouds
galaxies
quadrants
radio telescopes
2012
6 Citations

First observations with SuperCam and future plans

Kloosterman, J., Cottam, T., Swift, B., Lesser, D., Schickling, P., Groppi, C., Borden, M., Towner, A., Schmidt, P., Kulesa, C., D'Aubigny, C., Walker, C., Golish, D., Weinreb, S., Jones, G., Mani, H., Kooi, J., Lichtenberger, A., Puetz, P. & Narayanan, G. 2012 Proceedings of SPIE - The International Society for Optical Engineering. Vol. 8452, 845204

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Cryostats
Pixel
Pixels
pixels
cryostats
12 Citations

Full-scale three-dimensional electromagnetic simulations of a terahertz folded-waveguide traveling-wave tube using ICEPIC

Gensheimer, P. D., Walker, C. K., Ziolkowski, R. W. & Drouet D'Aubigny, C. Mar 2012 In : IEEE Transactions on Terahertz Science and Technology. 2, 2, p. 222-230 9 p., 6153418

Research output: Contribution to journalArticle

Traveling wave tubes
traveling wave tubes
Slow wave structures
Electron beams
Waveguides
7 Citations

Heterodyne detection of intracavity generated terahertz radiation

Scheller, M., Young, A. G., Yarborough, J. M., Moloney, J. V., Koch, S. W., D'Aubigny, C. Y. D. & Walker, C. K. 2012 In : IEEE Transactions on Terahertz Science and Technology. 2, 3, p. 271-277 7 p., 6180030

Research output: Contribution to journalArticle

Radiation
Bolometers
Hot electrons
Surface emitting lasers
radiation
1 Citations

Intracavity generation of continuous wave terahertz radiation

Scheller, M., Young, A., Yarborough, J. M., Moloney, J. V., Koch, S. W., Drouet D'Aubigny, C. Y. & Walker, C. 2012 Proceedings of SPIE - The International Society for Optical Engineering. Vol. 8240, 824007

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Terahertz waves
continuous radiation
electromagnetic radiation
Radiation
Color

Introduction to the special section on 22nd international symposium on space terahertz technology

Walker, C. K. & Groppi, C. E. Jan 2012 In : IEEE Transactions on Terahertz Science and Technology. 2, 1, p. 10-11 2 p., 6119246

Research output: Contribution to journalArticle

1 Citations

Opportunities for terahertz facilities on the high plateau

Kulesa, C. A., Ashley, M. C. B., Augarten, Y., Bonner, C. S., Burton, M. G., Bycroft, L., Lawrence, J., Lesser, D. H., Loomis, J., Luong-Van, D. M., Martin, C. L., McLaren, C., Stapleton, S., Storey, J. W. V., Swift, B. J., Tothill, N. F. H., Walker, C. K. & Young, A. G. Aug 2012 Proceedings of the International Astronomical Union. S288 ed. Vol. 8, p. 256-263 8 p. (Proceedings of the International Astronomical Union; vol. 8, no. S288)

Research output: Chapter in Book/Report/Conference proceedingConference contribution

plateaus
astronomy
observatories
SOFIA (airborne observatory)
harbors
1 Citations

Progress and results from the chinese small telescope ARray (CSTAR)

Zhou, X. , Ashley, M. C. B. , Cui, X. , Feng, L. , Gong, X. , Hu, J. , Jiang, Z. , Kulesa, C. A. , Lawrence, J. S. , Liu, G. , Luong-Van, D. M. , Ma, J. , MacRi, L. M. , Meng, Z. , Moore, A. M. , Qin, W. , Shang, Z. , Storey, J. W. V. , Sun, B. , Travouillon, T. & 19 others Walker, C. K., Wang, J., Wang, L., Wang, L., Wang, S., Wu, J., Wu, Z., Xia, L., Yan, J., Yang, J., Yang, H., Yao, Y., Yuan, X., York, D., Zhang, H., Zhang, Z., Zhou, J., Zhu, Z. & Zou, H. Aug 2012 Proceedings of the International Astronomical Union. S288 ed. Vol. 8, p. 231-238 8 p. (Proceedings of the International Astronomical Union; vol. 8, no. S288)

Research output: Chapter in Book/Report/Conference proceedingConference contribution

telescopes
glaciology
surface stability
cirrus clouds
expeditions
8 Citations

The Kilopixel Array Pathfinder Project (KAPPa), a 16 pixel integrated heterodyne focal plane array

Groppi, C. E., Wheeler, C. H., Mani, H., McGarey, P., Veach, T., Weinreb, S., Russell, D., Kooi, J. W., Lichtenberger, A. W., Walker, C. K. & Kulesa, C. 2012 Proceedings of SPIE - The International Society for Optical Engineering. Vol. 8452, 84520Y

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Heterodyne
Focal plane arrays
focal plane devices
Focal Plane
Pixel
2011
3 Citations

A progress update on supercam: A 345 GHz, 64-pixel heterodyne imaging spectrometer

Kloosterman, J. , Groppi, C. , Kulesa, C. , Walker, C. , Cottam, T. , Liggett, E. , Lesser, D. , Borden, M. , Schickling, P. , Golish, D. , D'Aubigny, C. , Weinreb, S. , Jones, G. , Barden, J. , Mani, H. , Kuiper, T. , Kooi, J. , Lichtenberger, A. , Cecil, T. , Puetz, P. & 3 others Narayanan, G., Hedden, A. & Xu, X. 2011 22nd International Symposium on Space Terahertz Technology 2011, ISSTT 2011. International Symposium on Space Terahertz Technology, p. 162-166 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

imaging spectrometers
Spectrometers
pixel
spectrometer
Pixels
1 Citations

Continuous wave terahertz source for remote detection and as a local oscillator for THz receivers

Scheller, M., Yarborough, J. M., Young, A., Fallahi, M., Moloney, J. V., Koch, M., Koch, S. W., D'Aubigny, C. & Walker, C. 2011 IRMMW-THz 2011 - 36th International Conference on Infrared, Millimeter, and Terahertz Waves. 6104906

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Terahertz waves
Surface emitting lasers
Linewidth
Color
Temperature
1 Citations

Design, fabrication, and alignment of the supercam telescope relay optics

Borden, M., Golish, D., D'Aubigny, D. C., Groppi, C., Kloosterman, J., Cottam, T., Xu, X., Lesser, D., Silva, S., Kulesa, C., Walker, C. & Cuerden, B. 2011 22nd International Symposium on Space Terahertz Technology 2011, ISSTT 2011. International Symposium on Space Terahertz Technology, p. 65-68 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

relay
Telescopes
Optics
alignment
telescopes

HEAT: The high elevation antarctic terahertz telescope

Kulesa, C., Walker, C., Young, A., Storey, J. & Ashley, M. 2011 22nd International Symposium on Space Terahertz Technology 2011, ISSTT 2011. International Symposium on Space Terahertz Technology, p. 167 1 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Telescopes
Pixels
pixels
telescopes
Focal plane arrays
2 Citations

High power room temperature, compact, narrow line thz source as a local oscillator for THz receivers

Scheller, M., Yarborough, J., Young, A., Moloney, J., D'Aubigny, C., Fallahi, M., Koch, M., Koch, S. & Walker, C. 2011 22nd International Symposium on Space Terahertz Technology 2011, ISSTT 2011. International Symposium on Space Terahertz Technology, p. 195 1 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Terahertz waves
Phase matching
Surface emitting lasers
Conversion efficiency
receivers
1 Citations

The kilopixel array pathfinder project (KAPPa): A 16 pixel 660 GHz pathfinder instrument with an integrated heterodyne focal plane detector

Groppi, C., Wheeler, C., Mani, H., Weinreb, S., Russell, D., Kooi, J., Lichtenberger, A. & Walker, C. 2011 22nd International Symposium on Space Terahertz Technology 2011, ISSTT 2011. International Symposium on Space Terahertz Technology, p. 152-158 7 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

pixel
Pixels
pixels
Focal plane arrays
Detectors

The stratospheric THz observatory (STO): Preparations for science flight

Walker, C. , Kulesa, C. , Kloosterman, J. , Cottam, T. , Groppi, C. , Bernasconi, P. , Eaton, H. , Rolander, N. , Carkhuff, B. , Hechtman, S. , Gottlieb, J. , Neufeld, D. , Lisse, C. , Stark, A. , Hollenbach, D. , Kawamura, J. , Goldsmith, P. , Langer, W. , Yorke, H. , Sterne, J. & 11 others Skalare, A., Mehdi, I., Weinreb, S., Kooi, J., Stutzski, J., Graf, U., Honingh, C., Puetz, P., Martin, C., Lesser, D. & Wolfire, M. 2011 22nd International Symposium on Space Terahertz Technology 2011, ISSTT 2011. International Symposium on Space Terahertz Technology, p. 159-161 3 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Upper atmosphere
Observatories
observatories
observatory
receivers

The supercam 8-pixel integrated focal plane unit

Groppi, C., Golish, D., Walker, C., Love, B., Kulesa, C., Weinreb, S., Kooi, J. & Lichtenberger, A. 2011 22nd International Symposium on Space Terahertz Technology 2011, ISSTT 2011. International Symposium on Space Terahertz Technology, p. 78 1 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

pixel
modules
Pixels
pixels
Monolithic microwave integrated circuits

The supercam local oscillator multiplexing unit

Groppi, C., Golish, D., Love, B., Kulesa, C. & Walker, C. 2011 22nd International Symposium on Space Terahertz Technology 2011, ISSTT 2011. International Symposium on Space Terahertz Technology, p. 80 1 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

multiplexing
Multiplexing
pixel
Waveguides
oscillators
2010
5 Citations

1.5: Development of field emission cathodes, electron gun and a slow wave structure for a terahertz traveling wave tube

Lockwood, N. P., Cartwright, K. L., Gensheimer, P. D., Shiffler, D. A., D'Aubigny, C. Y., Walker, C. K., Young, A., Fairchild, S. B. & Maruyama, B. 2010 2010 IEEE International Vacuum Electronics Conference, IVEC 2010. p. 25-26 2 p. 5503622

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Field emission cathodes
Slow wave structures
Traveling wave tubes
Electron guns
Field emission
5 Citations

Automated CNC micromachining for integrated THz waveguide circuits

Groppi, C. E., Love, B., Underhill, M. & Walker, C. 2010 21st International Symposium on Space Terahertz Technology 2010, ISSTT 2010. p. 291-294 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Micromachining
micromachining
machining
Waveguides
waveguides
8 Citations

Dome A site testing and future plans

Gong, X. , Wang, L. , Cui, X. , Feng, L. , Yuan, X. , Ashley, M. C. B. , Allen, G. , Bonner, C. S. , Bradley, S. G. , Everett, J. R. , Hengst, S. , Hu, J. , Jiang, Z. , Kulesa, C. A. , Lawrence, J. S. , Li, Y. , Luong-Van, D. M. , McCaughrean, M. J. , Moore, A. M. , Pennypacker, C. & 17 others Qin, W., Riddle, R., Shang, Z., Storey, J. W. V., Sun, B., Suntzeff, N., Tothill, N. F. H., Travouillon, T., Walker, C. K., Yan, J., Yang, H., Yang, J., York, D. G., Zhang, X., Zhang, Z., Zhou, X. & Zhu, Z. 2010 In : EAS Publications Series. 40, p. 65-72 8 p.

Research output: Contribution to journalArticle

Domes
Telescopes
Astronomy
Testing
Observatories

Erratum: Warm-dense molecular gas in the ISM of starbursts, LIRGs, and ULIRGs (Astrophysical Journal (2005) 630 (269))

Narayanan, D., Groppi, C. E., Kulesa, C. A. & Walker, C. K. Sep 20 2010 In : Astrophysical Journal. 721, 1, p. 921 1 p.

Research output: Contribution to journalArticle

molecular gases
astrophysics
gas

Erratum: The sky brightness and transparency in i-band at dome a, Antarctica (Astronomical Journal (2010) 140 (602))

Zou, H. , Zhou, X. , Jiang, Z. , Ashley, M. C. B. , Cui, X. , Feng, L. , Gong, X. , Hu, J. , Kulesa, C. A. , Lawrence, J. S. , Liu, G. , Luong-Van, D. M. , Ma, J. , Moore, A. M. , Pennypacker, C. R. , Qin, W. , Shang, Z. , Storey, J. W. V. , Sun, B. , Travouillon, T. & 14 others Walker, C. K., Wang, J., Wang, L., Wu, J., Wu, Z., Xia, L., Yan, J., Yang, J., Yang, H., Yao, Y., Yuan, X., York, D. G., Zhang, Z. & Zhu, Z. Dec 2010 In : Astronomical Journal. 140, 6, p. 2146 1 p.

Research output: Contribution to journalArticle

sky brightness
Antarctic regions
domes
transparency
dome
54 Citations

Exceptional terahertz transparency and stability above dome A, Antarctica

Yang, H., Kulesa, C. A., Walker, C. K., Tothill, N. F. H., Yang, J., Ashley, M. C. B., Cui, X., Feng, L., Lawrence, J. S., Luong-Van, D. M., Mccaughrean, M. J., Storey, J. W. V., Wang, L., Zhou, X. & Zhu, Z. Apr 2010 In : Publications of the Astronomical Society of the Pacific. 122, 890, p. 490-494 5 p.

Research output: Contribution to journalArticle

Antarctic regions
domes
transparency
dome
plateaus
3 Citations

Large format heterodyne arrays for observing far-infrared lines with SOFIA

Walker, C., Kulesa, C., Kloosterman, J., Lesser, D., Cottam, T., Groppi, C., Zmuidzinas, J., Edgar, M., Radford, S., Goldsmith, P., Langer, W., Yorke, H., Kawamura, J., Mehdi, I., Hollenbach, D., Stutzki, J., Huebers, H., Gao, J. R. & Martin, C. 2010 Proceedings of SPIE - The International Society for Optical Engineering. Vol. 7741, 77410Z

Research output: Chapter in Book/Report/Conference proceedingConference contribution

SOFIA (airborne observatory)
Heterodyne
format
Infrared
Infrared radiation
6 Citations

Molecular disk properties in early-type galaxies

Xu, X., Narayanan, D. & Walker, C. Oct 1 2010 In : Astrophysical Journal Letters. 721, 2 PART 2

Research output: Contribution to journalArticle

merger
galaxies
cold gas
disk galaxies
elliptical galaxies
3 Citations

PLATO-A robotic observatory for the Antarctic plateau

Ashley, M. C. B. , Allen, G. , Bonner, C. S. , Bradley, S. G. , Cui, X. , Everett, J. R. , Feng, L. , Gong, X. , Hengst, S. , Hu, J. , Jiang, Z. , Kulesa, C. A. , Lawrence, J. S. , Li, Y. , Luong-Van, D. M. , McCaughrean, M. J. , Moore, A. M. , Pennypacker, C. , Qin, W. , Riddle, R. & 17 others Shang, Z., Storey, J. W. V., Sun, B., Suntzeff, N., Tothill, N. F. H., Travouillon, T., Walker, C. K., Wang, L., Yan, J., Yang, H., Yang, J., York, D. G., Yuan, X., Zhang, X., Zhang, Z., Zhou, X. & Zhu, Z. 2010 In : EAS Publications Series. 40, p. 79-84 6 p.

Research output: Contribution to journalArticle

Iridium
Domes
Observatories
Data transfer
Freight transportation
33 Citations

Sky brightness and transparency in the i-band at Dome a, Antarctica

Zou, H. , Zhou, X. , Jiang, Z. , AshLey, M. C. B. , Cui, X. , Feng, L. , Gong, X. , Hu, J. , KuLesa, C. A. , Lawrence, J. S. , Liu, G. , Luong-Van, D. M. , Ma, J. , Moore, A. M. , Pennypacker, C. R. , Qin, W. , Shang, Z. , Storey, J. W. V. , Sun, B. , Travouillon, T. & 14 others Walker, C. K., Wang, J., Wang, L., Wu, J., Wu, Z., Xia, L., Yan, J., Yang, J., Yang, H., Yao, Y., Yuan, X., York, D. G., Zhang, Z. & Zhu, Z. Aug 2010 In : Astronomical Journal. 140, 2, p. 602-611 10 p.

Research output: Contribution to journalArticle

sky brightness
aurora
Antarctic regions
domes
transparency
1 Citations

Terahertz traveling wave tube amplifiers as high-power local oscillators for large heterodyne receiver arrays

Drouet D'Aubigny, C. Y., Walker, C. K., Young, A. G., Gensheimer, P., Golish, D. R. & Groppi, C. E. 2010 Proceedings of SPIE - The International Society for Optical Engineering. Vol. 7741, 774115

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Traveling wave tubes
traveling wave tubes
Heterodyne
Traveling Wave
High Power
17 Citations

Test and integration results from SuperCam: A 64-pixel array receiver for the 350 GHz atmospheric window

Groppi, C., Walker, C., Kulesa, C., Golish, D., Kloosterman, J., Weinreb, S., Jones, G., Bardin, J., Mani, H., Kuiper, T., Kooi, J., Lichtenberger, A., Cecil, T., Puetz, P., Narayanan, G. & Hedden, A. 2010 Proceedings of SPIE - The International Society for Optical Engineering. Vol. 7741, 77410X

Research output: Chapter in Book/Report/Conference proceedingConference contribution

atmospheric windows
Receiver
receivers
modules
Pixel
4 Citations

Testing and integration of supercam, a 64-pixel array receive for the 350 GHz atmospheric window

Groppi, C., Walker, C., Kulesa, C., Golish, D., Kloosterman, J., Weinreb, S., Jones, G., Barden, J., Mani, H., Kuiper, T., Kooi, J. & Lichtenberger, A. 2010 21st International Symposium on Space Terahertz Technology 2010, ISSTT 2010. p. 319-324 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

atmospheric windows
Galaxies
pixel
Pixels
pixels
24 Citations

The first release of the CSTAR point source catalog from dome A, Antarctica

Zhou, X. , Fan, Z. , Jiang, Z. , Ashley, M. C. B. , Cui, X. , Feng, L. , Gong, X. , Hu, J. , Kulesa, C. A. , Lawrence, J. S. , Liu, G. , Luong-Van, D. M. , Ma, J. , Moore, A. M. , Qin, W. , Shang, Z. , Storey, J. W. V. , Sun, B. , Travouillon, T. , Walker, C. K. & 12 others Wang, J., Wang, L., Wu, J., Wu, Z., Xia, L., Yan, J., Yang, J., Yang, H., Yuan, X., York, D., Zhang, Z. & Zhu, Z. Mar 2010 In : Publications of the Astronomical Society of the Pacific. 122, 889, p. 347-353 7 p.

Research output: Contribution to journalArticle

Antarctic regions
domes
point sources
dome
catalogs

The stratospheric terahertz observatory

Bernasconi, P. N., Neufeld, D., Walker, C., Hollenbach, D., Kawamura, J. & Stuzki, J. 2010 In : Johns Hopkins APL Technical Digest (Applied Physics Laboratory). 28, 3, p. 238-239 2 p.

Research output: Contribution to journalArticle

Upper atmosphere
Observatories
balloons
observatories
Balloons