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Proceedings Paper

TREND: a low-noise terahertz receiver user instrument for AST/RO at the South Pole
Author(s): Eyal Gerecht; Sigfrid Yngvesson; John Nicholson; Yan Zhuang; Fernando Rodriguez-Morales; Xin Zhao; Dazhen Gu; Richard Zannoni; Michael J. Coulombe; Jason C. Dickinson; Thomas M. Goyette; Jerry Waldman; Christopher E. Groppi; Abigail S. Hedden; Dathon Golish; Christopher K. Walker; Antony A. Stark; Christopher Martin; Adair Lane
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Paper Abstract

Based on the excellent performance of NbN HEB mixer receivers at THz frequencies which we have established in the laboratory, we are building a Terahertz REceiver with NbN HEB Device (TREND) to be installed on the 1.7 meter diameter AST/RO submillimeter wave telescope at the Amundsen/Scott South Pole Station. TREND is scheduled for deployment during the austral summer season of 2002/2003. The frequency range of 1.25 THz to 1.5 THz was chosen in order to match the good windows for atmospheric transmission and interstellar spectral lines of special interest. The South Pole Station is the best available site for THz observations due to the very cold and dry atmosphere over this site. In this paper, we report on the design of this receiver. In particular, we report on HEB mixer device performance, the quasi-optical coupling design using an elliptical silicon lens and a twin-slot antenna, the laser local oscillator (LO), as well as the mixer block design and the plans for coupling the TREND receiver to the sky beam and to the laser LO at the AST/RO telescope site.

Paper Details

Date Published: 17 February 2003
PDF: 9 pages
Proc. SPIE 4855, Millimeter and Submillimeter Detectors for Astronomy, (17 February 2003); doi: 10.1117/12.459316
Show Author Affiliations
Eyal Gerecht, National Institute of Standards and Technology (United States)
Sigfrid Yngvesson, Univ. of Massachusetts/Amherst (United States)
John Nicholson, Univ. of Massachusetts/Amherst (United States)
Yan Zhuang, Univ. of Massachusetts/Amherst (United States)
Fernando Rodriguez-Morales, Univ. of Massachusetts/Amherst (United States)
Xin Zhao, Univ. of Massachusetts/Amherst (United States)
Dazhen Gu, Univ. of Massachusetts/Amherst (United States)
Richard Zannoni, Univ. of Massachusetts/Amherst (United States)
Michael J. Coulombe, Univ. of Massachusetts/Lowell (United States)
Jason C. Dickinson, Univ. of Massachusetts/Lowell (United States)
Thomas M. Goyette, Univ. of Massachusetts/Lowell (United States)
Jerry Waldman, Univ. of Massachusetts/Lowell (United States)
Christopher E. Groppi, Steward Observatory/Univ. of Arizona (United States)
Abigail S. Hedden, Steward Observatory/Univ. of Arizona (United States)
Dathon Golish, Steward Observatory/Univ. of Arizona (United States)
Christopher K. Walker, Steward Observatory/Univ. of Arizona (United States)
Antony A. Stark, Smithsonian Astrophysical Observatory (United States)
Christopher Martin, Smithsonian Astrophysical Observatory (United States)
Adair Lane, Smithsonian Astrophysical Observatory (United States)


Published in SPIE Proceedings Vol. 4855:
Millimeter and Submillimeter Detectors for Astronomy
Thomas G. Phillips; Jonas Zmuidzinas, Editor(s)

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