Desert STAR: A 7 pixel 345 GHz heterodyne array receiver for the Heinrich Hertz Telescope

C. E. Groppi, Christopher K Walker, C. Kulesa, D. Golish, A. Hedden, P. Gensheimer, G. Narayanan, A. W. Lichtenberger, U. U. Graf, S. Heyminck

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

12 Citations (Scopus)

Abstract

DesertSTAR is a 7 beam, 345 GHz heterodyne array receiver for the Heinrich Hertz Telescope (HHT) on Mt. Graham, AZ. The instrument uses fixed-backshort Superconductor-Insulator-Superconductor (SIS) mixers with a broadband waveguide probe. Instantaneous bandwidths greater than 2 GHz can be achieved over the entire 345 GHz atmospheric window. A cryostat with Joule-Thompson (JT) mechanical refrigerator allows continuous operation and 1.8W of cooling capacity at 4K, and provides the needed temperature stability for low-noise operation. Local Oscillator (LO) distribution is accomplished with a novel phase grating that yields high efficiency and power uniformity in a hexagonally symmetric geometry. The computer controlled bias system is an evolution of a proven design that is simple, portable to any computer platform, and easily extensible to over 100 channels. It provides control and monitoring of bias, temperature and vacuum from any X-windows capable machine, and writes an instrument status web page visible with any web browser. The 2 GHz Intermediate Frequency (IF) bandwidth allows the future addition of a wideband backend optimized for extragalactic observations, with ∼1700 km/s of velocity coverage. We present measurements of receiver performance and plans for integration on the HHT.

Original languageEnglish (US)
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
EditorsT.G. Phillips, J. Zmuidzinas
Pages330-337
Number of pages8
Volume4855
DOIs
StatePublished - 2002
EventMillimeter and Submillimeter Detectors for Astronomy - Waikaloa, HI, United States
Duration: Aug 25 2002Aug 28 2002

Other

OtherMillimeter and Submillimeter Detectors for Astronomy
CountryUnited States
CityWaikaloa, HI
Period8/25/028/28/02

Fingerprint

deserts
Telescopes
Superconducting materials
receivers
Pixels
pixels
telescopes
broadband
SIS (superconductors)
bandwidth
atmospheric windows
Bandwidth
intermediate frequencies
Cryostats
Web browsers
Refrigerators
refrigerators
cryostats
low noise
Websites

Keywords

  • SIS heterodyne array receiver submillimeter molecular spectroscopy

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Condensed Matter Physics

Cite this

Groppi, C. E., Walker, C. K., Kulesa, C., Golish, D., Hedden, A., Gensheimer, P., ... Heyminck, S. (2002). Desert STAR: A 7 pixel 345 GHz heterodyne array receiver for the Heinrich Hertz Telescope. In T. G. Phillips, & J. Zmuidzinas (Eds.), Proceedings of SPIE - The International Society for Optical Engineering (Vol. 4855, pp. 330-337) https://doi.org/10.1117/12.459361

Desert STAR : A 7 pixel 345 GHz heterodyne array receiver for the Heinrich Hertz Telescope. / Groppi, C. E.; Walker, Christopher K; Kulesa, C.; Golish, D.; Hedden, A.; Gensheimer, P.; Narayanan, G.; Lichtenberger, A. W.; Graf, U. U.; Heyminck, S.

Proceedings of SPIE - The International Society for Optical Engineering. ed. / T.G. Phillips; J. Zmuidzinas. Vol. 4855 2002. p. 330-337.

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

Groppi, CE, Walker, CK, Kulesa, C, Golish, D, Hedden, A, Gensheimer, P, Narayanan, G, Lichtenberger, AW, Graf, UU & Heyminck, S 2002, Desert STAR: A 7 pixel 345 GHz heterodyne array receiver for the Heinrich Hertz Telescope. in TG Phillips & J Zmuidzinas (eds), Proceedings of SPIE - The International Society for Optical Engineering. vol. 4855, pp. 330-337, Millimeter and Submillimeter Detectors for Astronomy, Waikaloa, HI, United States, 8/25/02. https://doi.org/10.1117/12.459361
Groppi CE, Walker CK, Kulesa C, Golish D, Hedden A, Gensheimer P et al. Desert STAR: A 7 pixel 345 GHz heterodyne array receiver for the Heinrich Hertz Telescope. In Phillips TG, Zmuidzinas J, editors, Proceedings of SPIE - The International Society for Optical Engineering. Vol. 4855. 2002. p. 330-337 https://doi.org/10.1117/12.459361
Groppi, C. E. ; Walker, Christopher K ; Kulesa, C. ; Golish, D. ; Hedden, A. ; Gensheimer, P. ; Narayanan, G. ; Lichtenberger, A. W. ; Graf, U. U. ; 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. editor / T.G. Phillips ; J. Zmuidzinas. Vol. 4855 2002. pp. 330-337
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