Christopher K. Walker - Publications

Affiliations: 
Astronomy University of Arizona, Tucson, AZ 

105 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2021 Mirzaei B, Gan Y, Finkel M, Groppi C, Young A, Walker C, Hu Q, Gao JR. 4.7 THz asymmetric beam multiplexer for GUSTO. Optics Express. 29: 24434-24445. PMID 34614689 DOI: 10.1364/OE.432088  0.607
2019 Seo YM, Goldsmith PF, Walker CK, Hollenbach DJ, Wolfire MG, Kulesa CA, Tolls V, Bernasconi PN, Kavak Ü, Tak FFSvd, Shipman R, Gao JR, Tielens A, Burton MG, Yorke H, et al. Probing ISM Structure in Trumpler 14 and Carina I Using the Stratospheric Terahertz Observatory 2 The Astrophysical Journal. 878: 120. DOI: 10.3847/1538-4357/Ab2043  0.742
2019 Lesser DH, Graves L, Walker CK. Active Optical Correctors for Large Inflatable Telescopes Ieee Transactions On Terahertz Science and Technology. 9: 409-416. DOI: 10.1109/Tthz.2019.2918553  0.389
2019 Kloosterman JL, Walker AJ, Swift BJ, Pat T, Lopez-Tonazzi JC, Walker CK. Cross-Linked Small-Sat Communication System using a Spherical Phased Array Line Feed Past & Present. 9020968. DOI: 10.1109/Past43306.2019.9020968  0.348
2016 Cortes-Medellin G, O'Dougherty S, Walker C, Goldsmith PF, Groppi C, Smith S, Bernasconi P. Optical design for the large balloon reflector Proceedings of Spie. 9906. DOI: 10.1117/12.2233861  0.617
2016 Wheeler CH, Neric M, Groppi CE, Underhill M, Mani H, Weinreb S, Russell DS, Kooi JW, Lichtenberger AW, Walker CK, Kulesa C. Results of using permanent magnets to suppress Josephson noise in the KAPPa SIS receiver Proceedings of Spie. 9914. DOI: 10.1117/12.2231358  0.585
2014 Davis KK, Groppi C, Mani H, Wheeler C, Walker C. Methodology for a sub-millimeter near-field beam pattern measurement system Proceedings of Spie - the International Society For Optical Engineering. 9153. DOI: 10.1117/12.2056844  0.626
2014 Wheeler CH, Groppi CE, Mani H, McGarey P, Kuenzi L, Weinreb S, Russell DS, Kooi JW, Lichtenberger AW, Walker CK, Kulesa C. The kilopixel array pathfinder project (KAPPa), a 16-pixel integrated heterodyne focal plane array: Characterization of the single pixel prototype Proceedings of Spie - the International Society For Optical Engineering. 9153. DOI: 10.1117/12.2056606  0.764
2014 Hayton DJ, Kloosterman JL, Ren Y, Kao TY, Gao JR, Klapwijk TM, Hu Q, Walker CK, Reno JL. A 4.7THz heterodyne receiver for a balloon borne telescope Proceedings of Spie. 9153. DOI: 10.1117/12.2055790  0.793
2013 Kloosterman JL, Hayton DJ, Ren Y, Kao TY, Hovenier JN, Gao JR, Klapwijk TM, Hu Q, Walker CK, Reno JL. Hot electron bolometer heterodyne receiver with a 4.7-THz quantum cascade laser as a local oscillator Applied Physics Letters. 102: 011123. DOI: 10.1063/1.4774085  0.782
2013 Burton MG, Braiding C, Glueck C, Goldsmith P, Hawkes J, Hollenbach DJ, Kulesa C, Martin CL, Pineda JL, Rowell G, Simon R, Stark AA, Stutzki J, Tothill NJH, Urquhart JS, ... Walker C, et al. The Mopra Southern Galactic Plane CO Survey Publications of the Astronomical Society of Australia. 30. DOI: 10.1017/Pasa.2013.22  0.681
2012 Groppi CE, Wheeler CH, Mani H, McGarey P, Veach T, Weinreb S, Russell D, Kooi JW, Lichtenberger AW, Walker CK, Kulesa C. The Kilopixel Array Pathfinder Project (KAPPa), a 16 pixel integrated heterodyne focal plane array Proceedings of Spie - the International Society For Optical Engineering. 8452. DOI: 10.1117/12.927358  0.787
2012 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, et al. First observations with SuperCam and future plans Proceedings of Spie - the International Society For Optical Engineering. 8452. DOI: 10.1117/12.925088  0.805
2012 Scheller M, Young A, Yarborough JM, Moloney JV, Koch SW, Drouet D'Aubigny CY, Walker C. Intracavity generation of continuous wave terahertz radiation Proceedings of Spie - the International Society For Optical Engineering. 8240. DOI: 10.1117/12.911943  0.325
2012 Scheller M, Young AG, Yarborough JM, Moloney JV, Koch SW, D'Aubigny CYD, Walker CK. Heterodyne detection of intracavity generated terahertz radiation Ieee Transactions On Terahertz Science and Technology. 2: 271-277. DOI: 10.1109/Tthz.2012.2189438  0.362
2012 Gensheimer PD, Walker CK, Ziolkowski RW, d'Aubigny CD. Full-Scale Three-Dimensional Electromagnetic Simulations of a Terahertz Folded-Waveguide Traveling-Wave Tube Using ICEPIC Ieee Transactions On Terahertz Science and Technology. 2: 222-230. DOI: 10.1109/Tthz.2011.2178931  0.322
2012 Walker CK, Groppi CE. Introduction to the special section on 22nd international symposium on space terahertz technology Ieee Transactions On Terahertz Science and Technology. 2: 10-11. DOI: 10.1109/Tthz.2011.2178655  0.574
2011 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, et al. The stratospheric THz observatory (STO): Preparations for science flight 22nd International Symposium On Space Terahertz Technology 2011, Isstt 2011. 159-161. DOI: 10.1117/12.857765  0.798
2010 Drouet D'Aubigny CY, Walker CK, Young AG, Gensheimer P, Golish DR, Groppi CE. Terahertz traveling wave tube amplifiers as high-power local oscillators for large heterodyne receiver arrays Proceedings of Spie - the International Society For Optical Engineering. 7741. DOI: 10.1117/12.857904  0.767
2010 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, et al. Large format heterodyne arrays for observing far-infrared lines with SOFIA Proceedings of Spie - the International Society For Optical Engineering. 7741. DOI: 10.1117/12.857811  0.822
2010 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, et al. Test and integration results from SuperCam: A 64-pixel array receiver for the 350 GHz atmospheric window Proceedings of Spie - the International Society For Optical Engineering. 7741. DOI: 10.1117/12.857504  0.809
2010 Xu X, Narayanan D, Walker C. Molecular disk properties in early-type galaxies Astrophysical Journal Letters. 721: L112-L116. DOI: 10.1088/2041-8205/721/2/L112  0.644
2010 Narayanan D, Groppi CE, Kulesa CA, Walker CK. ERRATUM: “WARM-DENSE MOLECULAR GAS IN THE ISM OF STARBURSTS, LIRGs, AND ULIRGs” (2005, ApJ, 630, 269) The Astrophysical Journal. 721: 921-921. DOI: 10.1088/0004-637X/721/1/921  0.714
2010 Zou H, Zhou X, Jiang Z, Ashley MCB, Cui X, Feng L, Gong X, Hu J, Kulesa CA, Lawrence JS, Liu G, Luong-Van DM, Ma J, Moore AM, Pennypacker CR, ... ... Walker CK, et al. ERRATUM: “THE SKY BRIGHTNESS AND TRANSPARENCY INi-BAND AT DOME A, ANTARCTICA” (2010, AJ, 140, 602) The Astronomical Journal. 140: 2146-2146. DOI: 10.1088/0004-6256/140/6/2146  0.6
2010 Zou H, Zhou X, Jiang Z, AshLey MCB, Cui X, Feng L, Gong X, Hu J, KuLesa CA, Lawrence JS, Liu G, Luong-Van DM, Ma J, Moore AM, Pennypacker CR, ... ... Walker CK, et al. Sky brightness and transparency in the i-band at Dome a, Antarctica Astronomical Journal. 140: 602-611. DOI: 10.1088/0004-6256/140/2/602  0.661
2010 Yang H, Kulesa CA, Walker CK, Tothill NFH, Yang J, Ashley MCB, Cui X, Feng L, Lawrence JS, Luong-Van DM, Mccaughrean MJ, Storey JWV, Wang L, Zhou X, Zhu Z. Exceptional terahertz transparency and stability above dome A, Antarctica Publications of the Astronomical Society of the Pacific. 122: 490-494. DOI: 10.1086/652276  0.687
2010 Zhou X, Fan Z, Jiang Z, Ashley MCB, Cui X, Feng L, Gong X, Hu J, Kulesa CA, Lawrence JS, Liu G, Luong-Van DM, Ma J, Moore AM, Qin W, ... ... Walker CK, et al. The first release of the CSTAR point source catalog from dome A, Antarctica Publications of the Astronomical Society of the Pacific. 122: 347-353. DOI: 10.1086/651526  0.656
2010 Tothill NFH, Kulesa CA, Walker CK, Yang J, Ashley MCB, Lawrence JS, Luong-Van D, Storey JWV, Yang H, Zhou X, Zhu Z, Bardin J, Cui X, Everett J, Feng L, et al. THz astrophysics from Dome A Eas Publications Series. 40: 275-280. DOI: 10.1051/Eas/1040040  0.764
2010 Ashley MCB, Allen G, Bonner CS, Bradley SG, Cui X, Everett JR, Feng L, Gong X, Hengst S, Hu J, Jiang Z, Kulesa CA, Lawrence JS, Li Y, Luong-Van DM, ... ... Walker CK, et al. PLATO-A robotic observatory for the Antarctic plateau Eas Publications Series. 40: 79-84. DOI: 10.1051/Eas/1040009  0.597
2010 Gong X, Wang L, Cui X, Feng L, Yuan X, Ashley MCB, Allen G, Bonner CS, Bradley SG, Everett JR, Hengst S, Hu J, Jiang Z, Kulesa CA, Lawrence JS, ... ... Walker CK, et al. Dome A site testing and future plans Eas Publications Series. 40: 65-72. DOI: 10.1051/Eas/1040007  0.635
2009 Engström D, O'Callaghan MJ, Walker C, Handschy MA. Fast beam steering with a ferroelectric-liquid-crystal optical phased array Applied Optics. 48: 1721-1726. PMID 19305470 DOI: 10.1364/Ao.48.001721  0.311
2009 Tothill NFH, Löhr A, Parshley SC, Stark AA, Lane AP, Harnett JI, Wright GA, Walker CK, Bourke TL, Myers PC. Large-scale CO maps of the Lupus Molecular Cloud Complex Astrophysical Journal, Supplement Series. 185: 98-123. DOI: 10.1088/0067-0049/185/1/98  0.37
2009 Yang H, Allen G, Ashley MCB, Bonner CS, Bradley S, Cui X, Everett JR, Feng L, Gong X, Hengst S, Hu J, Jiang Z, Kulesa CA, Lawrence JS, Li Y, ... ... Walker CK, et al. The PLATO dome a site-testing observatory: Instrumentation and first results Publications of the Astronomical Society of the Pacific. 121: 174-184. DOI: 10.1086/597547  0.673
2009 Golish D, Swain M, Walker C, d’Aubigny CD. An Integrated Optics Beam Combiner Realized with Magic-Tees Journal of Infrared, Millimeter, and Terahertz Waves. 30: 884-898. DOI: 10.1007/S10762-009-9507-5  0.648
2008 Krejny M, Chuss D, d'Aubigny CD, Golish D, Houde M, Hui H, Kulesa C, Loewenstein RF, Moseley SH, Novak G, Voellmer G, Walker C, Wollack E. The Hertz/VPM polarimeter: design and first light observations. Applied Optics. 47: 4429-40. PMID 18716650 DOI: 10.1364/Ao.47.004429  0.752
2008 Walker CK, Kulesa C, Groppi C, Golish D. Future prospects for THz spectroscopy Proceedings of Spie - the International Society For Optical Engineering. 7020. DOI: 10.1117/12.790286  0.814
2008 Groppi C, Walker C, Kulesa C, Golish D, Kloosterman J, Pütz P, Weinreb S, Kuiper T, Kooi J, Jones G, Bardin J, Mani H, Lichtenberger A, Cecil T, Hedden A, et al. SuperCam: A 64 pixel heterodyne imaging spectrometer Proceedings of Spie - the International Society For Optical Engineering. 7020. DOI: 10.1117/12.790284  0.784
2008 Kulesa CA, Walker CK, Schein M, Golish D, Tothill N, Siegel P, Weinreb S, Jones G, Bardin J, Jacobs K, Martin CL, Storey J, Ashley M, Lawrence J, Luong-Van D, et al. Pre-HEAT: Submillimeter site testing and astronomical spectra from dome a, antarctica Proceedings of Spie - the International Society For Optical Engineering. 7012. DOI: 10.1117/12.789741  0.756
2008 Lawrence JS, Allen GR, Ashley MCB, Bonner C, Bradley S, Cui X, Everett JR, Feng L, Gong X, Hengst S, Hu J, Jiang Z, Kulesa CA, Li Y, Luong-Van D, ... ... Walker CK, et al. The PLATO antarctic site testing observatory Proceedings of Spie - the International Society For Optical Engineering. 7012. DOI: 10.1117/12.787166  0.648
2008 Bussmann RS, Narayanan D, Shirley YL, Juneau S, Wu J, Solomon PM, Vanden Bout PA, Moustakas J, Walker CK. The star formation rate-dense gas relation in galaxies as measured by HCN(3-2) emission Astrophysical Journal. 681: L73-L76. DOI: 10.1086/590181  0.646
2008 Narayanan D, Cox TJ, Shirley Y, Davé R, Hernquist L, Walker CK. Molecular star formation rate indicators in galaxies Astrophysical Journal. 684: 996-1008. DOI: 10.1086/588720  0.649
2008 Narayanan D, Cox TJ, Kelly B, Davé R, Hernquist L, Di Matteo T, Hopkins PF, Kulesa C, Robertson B, Walker CK. The Role of Galactic Winds on Molecular Gas Emission from Galaxy Mergers The Astrophysical Journal Supplement Series. 176: 331-354. DOI: 10.1086/533500  0.734
2008 Narayanan D, Li Y, Cox TJ, Hernquist L, Hopkins P, Chakrabarti S, Davé R, Di Matteo T, Gao L, Kulesa C, Robertson B, Walker CK. The nature of co emission from z ∼ 6 quasars Astrophysical Journal, Supplement Series. 174: 13-30. DOI: 10.1086/521776  0.761
2008 Tothill NFH, Kulesa CA, Walker CK, Ashley MCB, Bonner C, Cui X, Everett J, Feng L, Hengst S, Hu J, Jiang Z, Lawrence JS, Li Y, Luong-Van D, Moore AM, et al. Astrophysics from Dome A Eas Publications Series. 33: 301-306. DOI: 10.1051/Eas:0833045  0.613
2007 Bussmann RS, Wong TW, Hedden AS, Kulesa CA, Walker CK. A CO (J = 3-2) outflow survey of the Elias 29 region Astrophysical Journal. 657. DOI: 10.1086/513101  0.796
2006 Krejny M, Chuss DT, Novak G, Voellmer GM, Wollack EJ, Walker CK, Jackson M, Benford DJ, Staguhn JG, Moseley SH, Kulesa C, D'Aubigny CYD, Golish DR, Loewenstein RF. The variable-delay polarization modulator Proceedings of Spie - the International Society For Optical Engineering. 6275. DOI: 10.1117/12.671927  0.746
2006 Groppi C, Walker C, Kulesa C, Pütz P, Golish D, Gensheimer P, Hedden A, Bussmann S, Weinreb S, Kuiper T, Kooi J, Jones G, Bardin J, Mani H, Lichtenberger A, et al. SuperCam, a 64-pixel heterodyne imaging array for the 870 micron atmospheric window Proceedings of Spie - the International Society For Optical Engineering. 6275. DOI: 10.1117/12.671856  0.822
2006 Narayanan D, Kulesa CA, Boss A, Walker CK. Molecular line emission from gravitationally unstable protoplanetary disks Astrophysical Journal. 647: 1426-1436. DOI: 10.1086/505619  0.755
2006 Narayanan D, Cox TJ, Robertson B, Davé R, Matteo TDI, Hernquist L, Hopkins P, Kulesa C, Walker CK. Molecular outflows in galaxy merger simulations with embedded active galactic nuclei Astrophysical Journal. 642: L107-L110. DOI: 10.1086/504846  0.755
2006 Hedden AS, Walker CK, Groppi CE, Butner HM. Star formation in the Northern cloud complex of NGC 2264 Astrophysical Journal. 645: 345-356. DOI: 10.1086/504026  0.803
2006 Narayanan D, Groppi CE, Kulesa CA, Walker CK. Erratum: “Warm, Dense Molecular Gas in the ISM of Starbursts, LIRGs, and ULIRGs” (ApJ, 630, 269 [2005]) The Astrophysical Journal. 642: 616-616. DOI: 10.1086/500301  0.704
2006 Pütz P, Hedden A, Gensheimer P, Golish D, Groppi CE, Kulesa C, Narayanan G, Lichtenberger A, Kooi JW, Wadefalk N, Weinreb S, Walker CK. 345 GHz prototype SIS mixer with integrated MMIC LNA International Journal of Infrared and Millimeter Waves. 27: 1365-1379. DOI: 10.1007/S10762-006-9145-0  0.79
2005 Datesman AM, Schultz JC, Lichtenberger AW, Golish D, Walker CK, Kooi J. Fabrication and characterization of niobium diffusion-cooled hot-electron bolometers on silicon nitride membranes Ieee Transactions On Applied Superconductivity. 15: 928-931. DOI: 10.1109/Tasc.2005.850124  0.651
2005 Narayanan D, Groppi CE, Kulesa CA, Walker CK. Warm, dense molecular gas in the ISM of starbursts, LIRGs, and ULIRGs Astrophysical Journal. 630: 269-279. DOI: 10.1086/431171  0.81
2005 Kulesa CA, Hungerford AL, Walker CK, Zhang X, Lane AP. Large-scale CO and [C I] emission in the ρ ophiuchi molecular cloud Astrophysical Journal. 625: 194-209. DOI: 10.1086/426096  0.669
2004 d'Aubigny CYD, Walker CK, Golish DR. Mid-infrared spatial filter fabrication using laser chemical etching Proceedings of Spie. 5491: 655-666. DOI: 10.1117/12.552671  0.653
2004 Groppi CE, Walker CK, Kulesa C, Golish D, Hedden A, Narayanan G, Lichtenberger AW, Kooi J, Graf UU, Heyminck S. First results from desert star: A 7 pixel 345 GHz heterodyne array receiver for the heinrich hertz telescope Proceedings of Spie - the International Society For Optical Engineering. 5498: 290-299. DOI: 10.1117/12.552492  0.811
2004 Swain MR, Walker CK, Traub WA, Storey JW, Du Foresto VC, Fossat E, Vakili F, Stark AA, Lloyd JP, Lawson PR, Burrows AS, Ireland M, Millan-Gabet R, Van Belle GT, Lane B, et al. The Antarctic planet interferometer Proceedings of Spie - the International Society For Optical Engineering. 5491: 176-185. DOI: 10.1117/12.552221  0.39
2004 Walker CK, Kulesa CA, Golish DR, Hedden AS, Jacobs K, Stutzki J, Gao JR, Kooi JW, Glaister D, Gully W, Mehdi I, Swain MR, Siegel P. Forecast for HEAT on Dome A, Antarctica: the High Elevation Antarctic Terahertz Telescope Proceedings of Spie. 5489: 470-480. DOI: 10.1117/12.551424  0.819
2004 Chuss DT, Benford DJ, Walker C, Moseley SH, Novak G, Staguhn JG, Wollack EJ. A 350 micron array polarimeter using translational modulators Proceedings of Spie - the International Society For Optical Engineering. 5492: 1450-1460. DOI: 10.1117/12.551382  0.35
2004 Pütz P, Glenz S, Teipen R, Tils T, Honingh N, Jacobs K, Hedden A, Kulesa C, Groppi CE, Walker CK. High sensitivity 810 GHz SIS receivers at AST/RO Proceedings of Spie - the International Society For Optical Engineering. 5498: 509-516. DOI: 10.1117/12.550894  0.814
2004 Wehmeier UJ, Swain MR, Drouët d'Aubigny CY, Golish D, Walker CK. The potential of conductive waveguides for nulling interferometry Proceedings of Spie - the International Society For Optical Engineering. 5491: 1435-1444. DOI: 10.1117/12.549954  0.644
2004 Stark AA, Martin CL, Walsh WM, Xiao K, Lane AP, Walker CK. Gas density, stability, and starbursts near the inner lindblad resonance of the milky way Astrophysical Journal. 614: L41-L44. DOI: 10.1086/425304  0.339
2004 Groppi CE, Kulesa C, Walker C, Martin CL. Millimeter and submillimeter survey of the R coronae australis region Astrophysical Journal. 612: 946-955. DOI: 10.1086/422168  0.762
2004 Martin CL, Walsh WM, Xiao K, Lane AP, Walker CK, Stark AA. The AST/RO survey of the galactic center region. I. The inner 3 degrees Astrophysical Journal, Supplement Series. 150: 239-262. DOI: 10.1086/379661  0.365
2003 Kooi JW, Chattopadhyay G, Withington S, Rice F, Zmuidzinas J, Walker C, Yassin G. International Journal of Infrared and Millimeter Waves. 24: 261-284. DOI: 10.1023/A:1026452324545  0.34
2003 Martin CL, Walsh WM, Xiao K, Lane AP, Walker CK, Stark AA. The Inner 200pc: Hot Dense Gas Astronomische Nachrichten. 324: 93-99. DOI: 10.1002/Asna.200385109  0.386
2002 D'Aubigny CYD, Walker CK, Golish D, Swain MR, Dumont PJ, Lawson PR. Laser micro-machining of waveguide devices for sub-mm and far IR interferometry and detector arrays Proceedings of Spie - the International Society For Optical Engineering. 4852: 568-580. DOI: 10.1117/12.460865  0.65
2002 Swain MR, Dumont PJ, Lawson PR, Moore JD, Smythe RF, Walker CK, D'Aubigny CYD. Far infrared interferometer technology development: A progress report Proceedings of Spie - the International Society For Optical Engineering. 4852: 645-651. DOI: 10.1117/12.460733  0.388
2002 Walker CK, Groppi CE, D'Aubigny CD, Kulesa C, Hedden A, Prober D, Siddiqi I, Kooi J, Chen G, Lichtenberger AW. Integrated heterodyne array receivers for submillimeter astronomy Proceedings of Spie - the International Society For Optical Engineering. 4855: 349-354. DOI: 10.1117/12.459375  0.804
2002 Groppi CE, Walker CK, Kulesa C, Golish D, Hedden A, Gensheimer P, Narayanan G, Lichtenberger AW, Graf UU, Heyminck S. Desert STAR: A 7 pixel 345 GHz heterodyne array receiver for the Heinrich Hertz Telescope Proceedings of Spie - the International Society For Optical Engineering. 4855: 330-337. DOI: 10.1117/12.459361  0.815
2002 Gerecht E, Yngvesson S, Nicholson J, Zhuang Y, Rodriguez-Morales F, Zhao X, Gu D, Zannoni R, Coulombe M, Dickinson J, Goyette T, Waldman J, Groppi C, Hedden A, Golish D, ... Walker C, et al. TREND - A low noise terahertz receiver user instrument for AST/RO at the South Pole Proceedings of Spie - the International Society For Optical Engineering. 4855: 574-582. DOI: 10.1117/12.459316  0.803
2002 Narayanan G, Moriarty-Schieven G, Walker CK, Butner HM. Detection of infall signatures toward serpens SMM4 Astrophysical Journal. 565: 319-330. DOI: 10.1086/324522  0.403
2001 d'Aubigny CYD, Walker CK, Jones BD. Laser microchemical etching of waveguides and quasi-optical components Proceedings of Spie. 4557: 101-110. DOI: 10.1117/12.442932  0.33
2001 Melia F, Bromley BC, Liu S, Walker CK. Measuring the black hole spin in Sagittarius A Astrophysical Journal. 554: L37-L40. DOI: 10.1086/320918  0.352
2001 Stark AA, Bally J, Balm SP, Bania TM, Bolatto AD, Chamberlin RA, Engargiola G, Huang M, Ingalls JG, Jacobs K, Jackson JM, Kooi JW, Lane AP, Lo KY, Marks RD, ... ... Walker CK, et al. The antarctic submillimeter telescope and remote observatory (AST/RO) Publications of the Astronomical Society of the Pacific. 113: 567-585. DOI: 10.1086/320281  0.447
2001 Tieftrunk AR, Jacobs K, Martin CL, Siebertz O, Stark AA, Stutzki J, Walker CK, Wright GA. $^{13}$C I in high-mass star-forming clouds Astronomy and Astrophysics. 375. DOI: 10.1051/0004-6361:20010939  0.311
2000 d'Aubigny CYD, Walker CK, Jones BD. Laser micromachining of terahertz systems Astronomical Telescopes and Instrumentation. 4015: 584-588. DOI: 10.1117/12.390455  0.355
2000 d'Aubigny CYD, Walker CK, Groppi CE, Hill JM, Bieging JH, Pompea SM. Submillimeter-wave receiver system for the Large Binocular Telescope Astronomical Telescopes and Instrumentation. 4015: 268-277. DOI: 10.1117/12.390421  0.345
2000 Groppi CE, Walker CK, Hungerford AL, Narayanan G, Lichtenberger A. 345 GHz array receiver for the Heinrich Hertz Telescope Proceedings of Spie - the International Society For Optical Engineering. 4015: 253-259. DOI: 10.1117/12.390418  0.683
2000 Walker CK, Groppi CE, d'Aubigny CYD, Chen G, Schieder RT, Narayanan G, Lichtenberger AW, Siegel PH. Far-infrared array reciever (FAR) for SOFIA Astronomical Telescopes and Instrumentation. 4014: 125-136. DOI: 10.1117/12.389093  0.474
1999 Glenn J, Walker CK, Young ET. Magnetic fields in star formation regions: 1.3 millimeter continuum polarimetry Astrophysical Journal. 511: 812-821. DOI: 10.1086/306707  0.342
1998 Stark AA, Carlstrom JE, Israel FP, Menten KM, Peterson JB, Phillips TG, Sironi G, Walker CK. Plans for a 10-m submillimeter-wave telescope at the South Pole Proceedings of Spie - the International Society For Optical Engineering. 3357: 495-506. DOI: 10.1117/12.317383  0.433
1998 Walker CK, Hungerford AL, Narayanan G, Groppi CE, Bloomstein TM, Palmacci ST, Stern MB, Curtin JE. Laser micromachining of silicon: A new technique for fabricating terahertz imaging arrays Proceedings of Spie - the International Society For Optical Engineering. 3357: 45-52. DOI: 10.1117/12.317377  0.64
1998 Kooi J, Pety J, Bumble B, Walker C, LeDuc H, Schaffer P, Phillips T. A 850-GHz waveguide receiver employing a niobium SIS junction fabricated on a 1-μm Si/sub 3/N/sub 4/ membrane Ieee Transactions On Microwave Theory and Techniques. 46: 151-161. DOI: 10.1109/22.660981  0.358
1998 Narayanan G, Walker CK. A Parameterized Study of the Detection of Infall in Protostellar Systems The Astrophysical Journal. 508: 780-790. DOI: 10.1086/306430  0.346
1998 Narayanan G, Walker CK, Buckley HD. The “Blue-Bulge” Infall Signature toward IRAS 16293–2422 The Astrophysical Journal. 496: 292-310. DOI: 10.1086/305363  0.361
1997 Glenn J, Walker CK, Bieging JH, Jewell PR. Millimeter-wave spectropolarimetry of evolved stars: Evidence for polarized molecular line emission Astrophysical Journal. 487. DOI: 10.1086/310863  0.365
1997 Glenn J, Walker CK, Jewell PR. HCO+ Spectropolarimetry and Millimeter Continuum Polarimetry of the DR 21 Star-forming Region* ** The Astrophysical Journal. 479: 325-331. DOI: 10.1086/303871  0.36
1997 Glenn J, Walker CK, Young ET. Cyclops: A single beam 1.3 millimeter polarimeter International Journal of Infrared and Millimeter Waves. 18: 285-300. DOI: 10.1007/Bf02677921  0.357
1995 Wolf-Chase GA, Walker CK, Lada CJ. The Relationship of Dense Gas to Star Formation in the Monoceros OB1 Dark Cloud The Astrophysical Journal. 442: 197-207. DOI: 10.1086/175435  0.345
1995 Kooi JW, Chan MS, Bin M, Bumble B, LeDuc HG, Walker CK, Phillips TG. The development of an 850 GHz waveguide receiver using tuned sis junctions on 1μm Si3N4 membranes International Journal of Infrared and Millimeter Waves. 16: 349-362. DOI: 10.1007/Bf02096322  0.358
1994 Walker CK, Maloney PR, Serabyn E. Vibrationally excited CS: A new probe of conditions in young protostellar systems The Astrophysical Journal. 437. DOI: 10.1086/187699  0.319
1994 Choi M, Evans NJI, Jaffe DT, Walker CK. Observation of (C I) toward the GL 2591 and W28 A2 molecular outflows The Astrophysical Journal. 435: 734. DOI: 10.1086/174850  0.312
1994 Kooi JW, Walker CK, LeDuc HG, Schaffer PL, Hunter TR, Benford DJ, Phillips TG. A lownoise 665 GHz SIS quasi-particle waveguide receiver International Journal of Infrared and Millimeter Waves. 15: 477-492. DOI: 10.1007/Bf02096231  0.371
1993 McGrath WR, Walker C, Yap M, Tai YC. Silicon Micromachined Waveguides for Millimeter-Wave and Submillimeter-Wave Frequencies Ieee Microwave and Guided Wave Letters. 3: 61-63. DOI: 10.1109/75.205665  0.329
1993 Walker CK, Narayanan G, Büttgenbach TH, Carlstrom JE, Keene J, Phillips TG. The detection of [C I] in molecular outflows associated with young stellar objects Astrophysical Journal. 415: 672-679. DOI: 10.1086/173192  0.353
1993 Walker CK, Carlstrom JE, Bieging JH. The IRAS 16293 - 2422 cloud core: A study of a young binary system Astrophysical Journal. 402: 655-666. DOI: 10.1086/172167  0.359
1992 Buettgenbach TH, Keene J, Phillips TG, Walker CK. Submillimeter Detection of Extragalactic C i Emission: IC 342 The Astrophysical Journal. 397. DOI: 10.1086/186533  0.318
1992 Walker CK, Kooi JW, Chant M, LeDuc HG, Schaffer PL, Carlstrom JE, Phillips TG. A low-noise 492 GHz SIS waveguide receiver International Journal of Infrared and Millimeter Waves. 13: 785-798. DOI: 10.1007/Bf01011595  0.371
1991 Falgarone E, Phillips TG, Walker CK. The edges of molecular clouds: Fractal boundaries and density structure The Astrophysical Journal. 378: 186-201. DOI: 10.1086/170419  0.343
1990 Walker CK, Adams FC, Lada CJ. 1.3 Millimeter Continuum Observations of Cold Molecular Cloud Cores The Astrophysical Journal. 349: 515-528. DOI: 10.1086/168338  0.391
1988 Walker CK, Lada CJ, Young ET, Margulis M. An Unusual Outflow around IRAS 16293-2422 The Astrophysical Journal. 332: 335-345. DOI: 10.1086/166659  0.303
1987 Thronson HA, Walker CK, Walker CE, Maloney P. Observations of 1.3 millimeter continuum emission from the centers of galaxies The Astrophysical Journal. 318: 645. DOI: 10.1086/165400  0.389
1986 Walker CK, Lada CJ, Young ET, Maloney PR, Wilking BA. Spectroscopic Evidence for Infall around an Extraordinary IRAS Source in Ophiuchus The Astrophysical Journal. 309. DOI: 10.1086/184758  0.396
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