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Sample Publications (130+ authored/co-authored papers in literature)
Walker, C. K., 2015, TeraHertz Astronomy, CRC Press, Taylor & Francis Group, Boca Raton, FL.
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., and Reno, J. L., 2013, “Hot Electron Bolometer Heterodyne Receiver with a 4.7 THz Quantum Cascade Laser as a Local Oscillator”, Appl. Phys. Lett., 102, 011123.
Walker, C., 2012, STO, GUSSTO (EXPLORER): Recent Activities and Results,39th COSPAR Scientific Assembly, 14-22 July 2012, in Mysore, India, p. 2114
Walker, C., Kulesa, C. & GUSSTO Team, 2012, GUSSTO (EXPLORER): Phase A Study Report,delivered to NASA, 23 September 2012.
C. Walker, C. Kulesa, J. Kloosterman, T. Cottam, C. Groppi, P. Bernasconi, H. Eaton, N. Rolander, B. Carkhuff, S. Hechtman, J. Gottlieb, 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, and M. Wolfire, 2011, The Stratospheric THz Observatory (STO): Preparations for Science Flight, Proceedings of 22nd International Symposium on Space Terahertz Technology, Tucson, 26-28 April 2011.
Craig Kulesa, Christopher Walker, Abram Young, John Storey, Michael Ashley, 2011, HEAT: The High Elevation Antarctic Terahertz Telescope, Proceedings of 22nd International Symposium on Space Terahertz Technology, Tucson, 26-28 April 2011.
Bussmann, R. S., Wong, T. W., Hedden, A., Kulesa, C., and Walker, C. K., 2007, A CO (J=3-2) Outflow Survey of the Elias 29 Region, Ap.J., 657, Issue 1, pp. L33-L36.
Hedden, A. S., Walker, C. K., Groppi, C. E., and Butner, H. A., 2006, Star Formation in the Northern Cloud Complex of NGC 2264, Ap.J., 645, p.345.
Kulesa, C., Hungerford, a., Walker, C., Zhang, X., and Lane, A., 2005, Large-Scale CO and [CI] Emission in the Rho Ohiuchi Molecular Cloud, Ap. J., 625, 194.Show Less
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Courses
- RARadio Astronomy
- TIMSFThe Interstellar Medium and Star Formation
- AAAstronomy and Astrophysics
- LULife in the Universe
- TPUThe Physical Universe
- EOUExploring Our Universe
Grants
- Large Balloon Reflector for Remote Sensing
Principal Investigator (PI)
2022
$45.0K
Active - Rapid and Inexpensive Thermoforming Technology for Precision Radio Telescope Reflector Panels
Co-Investigator (COI)
2020
$952.4K
Active - Freefall Task Order Contract
Principal Investigator (PI)
2018
$135.7K
Active - Freefall Task Order Contract
Principal Investigator (PI)
2018
$50.0K
Active - Freefall Task Order Contract
Principal Investigator (PI)
2018
$30.2K
Active - Gal/Xgal U/LDB Spectroscopic-Stratospheric Terahertz Observatory (GUSTO)
Principal Investigator (PI)
2016
$25.7M
Active - Thermal-Vacuum Chamber for Testing Break-through Space Technologies
Principal Investigator (PI)
2018
$350.0K
- Kilometer Space Telescope (KST) Design
Principal Investigator (PI)
2018
$50.0K
- STO-2: Support for 4th Year Operations, Recovery, and Science
Principal Investigator (PI)
2017
$244.9K
- Large Inflatable Apertures for Space-Based Observations
Principal Investigator (PI)
2017
$150.0K
Technologies / Patents
News
- UArizona will develop and test balloon-borne payloads at new Mission Integration Lab
2022
- UArizona Accomplishments Honored With Governor's Innovation Awards
2019
- UA Expertise Key in Mapping Moon's Surface
2019
- UA Student-led CatSat Mission Selected by NASA
2019
- I-Squared Awards Honor Inventors, Entrepreneurs, Ecosystem Champions
2018
- From Inventions to Assets: Tech Launch Arizona's Pipeline
2017
- UA Funds Early-Stage Inventions for Market Readiness
2017
- NASA Selects Airborne Observatory for Funding
2017
- A Telescope at the Bottom of the World
2013
- Lifting Space Exploration to New Heights
2011
- Researchers to Build, Test Advanced Spaceborne Climate-Monitoring Instrument
2007
Publications (138)
Recent
- Astrochemistry with the Orbiting Astronomical Satellite for Investigating Stellar Systems (OASIS)
2022
- The APEX Large CO Heterodyne Orion Legacy Survey (ALCOHOLS). I. Survey overview
2022
- Deflectometry-based thermal vacuum testing for a pneumatic terahertz antenna
2021
- Stressed deformable reflector design and pneumatic membrane antenna for cryogenic thermal vacuum chamber testing
2021
- All reflective THz telescope design with an inflatable primary antenna for Orbiting Astronomical Satellite for Investigating Stellar Systems (OASIS) mission
2021
- Parametric design study of the Orbiting Astronomical Satellite for Investigating Stellar Systems (OASIS) space telescope
2021
- Mid-to-high frequency characterization of inflatable membrane optics
2021
- Orbiting Astronomical Satellite for Investigating Stellar Systems: OASIS
2021
- OASIS architecture: key features
2021
- Analytical and finite element analysis tool for nonlinear membrane antenna modeling for astronomical applications
2021
- IAU Commission 50 on Astronomical Site Protection
2014
- Progress in Dark Sky Protection in Southern Arizona
2014
- Dark Skies Yuma: An NOAO and APS Program on Light Pollution Education
2014
- A Possible Protostar in IGGC 22
2014
- The Science of Storytelling: Indigenous Perspective in Environmental Change
2013
- Touch the Cosmos: The 2012 International Earth and Sky Photo Contest
2013
- Hot electron bolometer heterodyne receiver with a 4.7-THz quantum cascade laser as a local oscillator
2013
- Tales from the Dark Side: Teacher Professional Development , Support , Activities, Student Research amp Presentations
2013
- An After School Education Program on the Tohono O'odham Nation
2013
- The Impact of Light Pollution Education Through a Global Star-Hunting Campaign and Classroom Curricula
2013
- Mobilizing the GLOBE at Night Citizen-Scientist
2013
- Characterizing Sky Brightness Throughout the Night in and around Tucson Arizona
2013
- An Extended Day Program on the Tohono O'odham Nation
2013
- Lessons Learned from the Arizona Galileoscope Star Party Program
2013
- Light Pollution Around Tucson, AZ And Its Effect On The Spatial Distribution Of Lesser Long-nosed Bats
2012
- Opportunities for terahertz facilities on the high plateau
2012
- First observations with SuperCam and future plans
2012
- The Kilopixel Array Pathfinder Project (KAPPa), a 16 pixel integrated heterodyne focal plane array
2012
- PREFACE: EMAS 2011: 12th European Workshop on Modern Developments in Microbeam Analysis
2012
- Flyby of Io with Repeat Encounters (FIRE): Designing a New Frontiers mission to study the most volcanic body in the solar system
2012
- Progress and results from the chinese small telescope ARray (CSTAR)
2012
- Heterodyne detection of intracavity generated terahertz radiation
2012
- Intracavity generation of continuous wave terahertz radiation
2012
- Seeing Stars: A GLOBE at Night Campaign Update
2012
- Introduction to the special section on 22nd international symposium on space terahertz technology
2012
- Optics education through the Arizona Galileoscope program
2012
- Continuous wave terahertz source for remote detection and as a local oscillator for THz receivers
2011
- Automated CNC micromachining for integrated THz waveguide circuits
2010
- Terahertz traveling wave tube amplifiers as high-power local oscillators for large heterodyne receiver arrays
2010
- PLATO-A robotic observatory for the Antarctic plateau
2010
- Sky brightness and transparency in the i-band at Dome a, Antarctica
2010
- Erratum: Warm-dense molecular gas in the ISM of starbursts, LIRGs, and ULIRGs (Astrophysical Journal (2005) 630 (269))
2010
- 1.5: Development of field emission cathodes, electron gun and a slow wave structure for a terahertz traveling wave tube
2010
- Molecular disk properties in early-type galaxies
2010
- THz astrophysics from Dome A
2010
- The first release of the CSTAR point source catalog from dome A, Antarctica
2010
- Erratum: The sky brightness and transparency in i-band at dome a, Antarctica (Astronomical Journal (2010) 140 (602))
2010
- Test and integration results from SuperCam: A 64-pixel array receiver for the 350 GHz atmospheric window
2010
- The stratospheric THz observatory (STO): 1 sup st sup test flight
2010
- Exceptional terahertz transparency and stability above dome A, Antarctica
2010
- The stratospheric terahertz observatory
2010
- Large format heterodyne arrays for observing far-infrared lines with SOFIA
2010
- Testing and integration of supercam, a 64-pixel array receive for the 350 GHz atmospheric window
2010
- The Stratospheric THz Observatory (STO)
2010
- Dome A site testing and future plans
2010
- A field-deployed 810 GHz receiver incorporating a superconducting mixer developed for Herschel space telescope and a SiGe low noise amplifier
2009
- Large-scale CO maps of the Lupus Molecular Cloud Complex
2009
- An integrated optics beam combiner realized with magic-tees
2009
- The PLATO dome a site-testing observatory: Instrumentation and first results
2009
- Astrophysics from Dome A
2008
- SuperCam: A 64 pixel heterodyne imaging spectrometer
2008
- The nature of co emission from z ∼ 6 quasars
2008
- The stratospheric terahertz observatory (STO): An LDB experiment to investigate the life cycle of the interstellar medium
2008
- Future prospects for THz spectroscopy
2008
- The PLATO antarctic site testing observatory
2008
- Molecular star formation rate indicators in galaxies
2008
- Pre-HEAT: Submillimeter site testing and astronomical spectra from dome a, antarctica
2008
- The star formation rate-dense gas relation in galaxies as measured by HCN(3-2) emission
2008
- Dome A, Antarctica: Prospectives for terahertz astronomy from the ground
2008
- The role of galactic winds on molecular gas emission from galaxy mergers
2008
- Large format heterodyne arrays for terahertz astronomy
2008
- The hertz/VPM polarimeter: Design and first light observations
2008
- A CO (J = 3-2) outflow survey of the Elias 29 region
2007
- Design of a compact low-cost THz imaging scanner
2006
- Molecular line emission from gravitationally unstable protoplanetary disks
2006
- The variable-delay polarization modulator
2006
- 345 GHz prototype SIS mixer with integrated MMIC LNA
2006
- Supercam : A 64 pixel superheterodyne camera
2006
- Star formation in the Northern cloud complex of NGC 2264
2006
- SuperCam, a 64-pixel heterodyne imaging array for the 870 micron atmospheric window
2006
- Micromachined spatial filters for quantum cascade lasers
2006
- Molecular outflows in galaxy merger simulations with embedded active galactic nuclei
2006
- Erratum: Warm, dense molecular gas in the ISM of starbursts, LIRGs, and ULIRGs (The Astrophysical Journal (2005) 630 (269))
2006
- Large-scale CO and [C I] emission in the ρ ophiuchi molecular cloud
2005
- Warm, dense molecular gas in the ISM of starbursts, LIRGs, and ULIRGs
2005
- Fabrication and characterization of niobium diffusion-cooled hot-electron bolometers on silicon nitride membranes
2005
- Application of ultra-thin silicon technology to submillimeter detection and mixing
2005
- Terahertz astronomy from the coldest place on Earth
2005
- Erratum: The astro survey of the galactic center region. I. The inner 3 degrees (The Astrophysical Journal Supplement Series (2004) 150 (239))
2004
- Mid-infrared spatial filters fabrication using laser chemical etching
2004
- A 350 micron array polarimeter using translational modulators
2004
- Forecast for heat on dome A, Antarctica: The high elevation antarctic terahertz telescope
2004
- The potential of conductive waveguides for nulling interferometry
2004
- The AST/RO survey of the galactic center region. I. The inner 3 degrees
2004
- First results from desert star: A 7 pixel 345 GHz heterodyne array receiver for the heinrich hertz telescope
2004
- The Antarctic planet interferometer
2004
- High sensitivity 810 GHz SIS receivers at AST/RO
2004
- Millimeter and submillimeter survey of the R coronae australis region
2004
- Gas density, stability, and starbursts near the inner lindblad resonance of the milky way
2004
- The Inner 200pc: Hot Dense Gas
2003
- A full-height waveguide to thin-film microstrip transition with exceptional RF bandwidth and coupling efficiency
2003
- Extrasolar Planet Science with the Antarctic Planet Interferometer
2003
- Detection of infall signatures toward serpens SMM4
2002
- TREND - A low noise terahertz receiver user instrument for AST/RO at the South Pole
2002
- Laser induced chemical etching of THZ waveguides and quasi optical devices in silicon
2002
- Laser micro-machining of waveguide devices for sub-mm and far IR interferometry and detector arrays
2002
- Far infrared interferometer technology development: A progress report
2002
- Integrated heterodyne array receivers for submillimeter astronomy
2002
- Desert STAR: A 7 pixel 345 GHz heterodyne array receiver for the Heinrich Hertz Telescope
2002
- Fabrication of a superconducting hot-electron bolometer receiver with micromachined waveguide components
2001
- The antarctic submillimeter telescope and remote observatory (AST/RO)
2001
- sup 13 /sup Ci in high-mass star-forming clouds
2001
- Laser microchemical etching of waveguides and quasi-optical components
2001
- 345 GHz array receiver for the Heinrich Hertz Telescope
2000
- Laser micromachining of THz systems
2000
- Far-infrared Array Receiver (FAR) for SOFIA
2000
- Magnetic fields in star formation regions: 1.3 millimeter continuum polarimetry
1999
- A parameterized study of the detection of infall in protostellar systems
1998
- The blue-bulge infall signature toward IRAS 16293-2422
1998
- Plans for a 10-m submillimeter-wave telescope at the South Pole
1998
- Laser micromachining of silicon: A new technique for fabricating terahertz imaging arrays
1998
- Cyclops: A single beam 1.3 millimeter polarimeter
1997
- HCO sup + /sup spectropolarimetry and millimeter continuum polarimetry of the DR 21 star-forming region
1997
- Evidence for multiple outbursts from the cepheus a molecular outflow
1996
- The relationship of dense gas to star formation in the Monoceros OB1 dark cloud
1995
- Development of an 850 GHz waveguide receiver using tuned SIS junctions on 1 μm Si sub 3 /sub N sub 4 /sub membranes
1995
- The dense gas component of outflows in the monoceros OB1 dark cloud
1995
- A lownoise 665 GHz SIS quasi-particle waveguide receiver
1994
- Vibrationally excited CS: A new probe of conditions in young protostellar systems
1994
- Spectroscopic signatures of infall in young protostellar systems
1994
- Observation of [C I] toward the GL 2591 and W28 A2 molecular outflows
1994
- The detection of [C I] in molecular outflows associated with young stellar objects
1993
- Silicon micromachined waveguides for millimeter-wave and submillimeter-wave frequencies
1993
- Detection of the carbon monoxide ion (CO sup + /sup ) in the interstellar medium and a planetary nebula
1993
- Submillimeter detection of extragalactic C I emission: IC 342
1992
- The edges of molecular clouds: Fractal boundaries and density structure
1991
- 1.3 millimeter continuum observations of cold molecular cloud cores
1990
- A low-noise 492 GHz SIS waveguide receiver
1990