Rice, F. and Sumner, M. and Zmuidzinas, J. and Hu, R. and LeDuc, H. and Harris, A. and Miller, D. (2003) SIS mixer design for a broadband millimeter spectrometer suitable for rapid line surveys and redshift determinations. In: Millimeter and Submillimeter Detectors for Astronomy. Proceedings of SPIE. No.4855. Society of Photo-optical Instrumentation Engineers (SPIE) , Bellingham, WA, pp. 301-311. ISBN 9780819446343. https://resolver.caltech.edu/CaltechAUTHORS:20190115-155106154
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Abstract
We present some detail of the waveguide probe and SIS mixer chip designs for a low-noise 180-300 GHz double-sideband receiver with an instantaneous RF bandwidth of 24 GHz. The receiver's single SIS junction is excited by a broadband, fixed-tuned waveguide probe on a silicon substrate. The IF output is coupled to a 6-18 GHz MMIC low-noise preamplifier. Following further amplification, the output is processed by an array of 4 GHz, 128-channel analog autocorrelation spectrometers (WASP II). The single-sideband receiver noise temperature goal of 70 Kelvin will provide a prototype instrument capable of rapid line surveys and of relatively efficient carbon monoxide (CO) emission line searches of distant, dusty galaxies. The latter application's goal is to determine redshifts by measuring the frequencies of CO line emissions from the star-forming regions dominating the submillimeter brightness of these galaxies. Construction of the receiver has begun; lab testing should begin in the fall. Demonstration of the receiver on the Caltech Submillimeter Observatory (CSO) telescope should begin in spring 2003.
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Additional Information: | © 2003 Society of Photo-optical Instrumentation Engineers (SPIE). This work was supported in part by NASA/JPL and its Center for Space Microelectronics Technology, by NASA grants NAG5-9493, NAG5-4890, NAGW-107, and NAG2-1068, by the NASA/USRA SOFIA instrument development program, and by the Caltech Submillimeter Observatory (NSF grant AST-9980846). | ||||||||||||||
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Subject Keywords: | SIS, submillimeter, mixer, spectrometer, broadband, heterodyne | ||||||||||||||
Series Name: | Proceedings of SPIE | ||||||||||||||
Issue or Number: | 4855 | ||||||||||||||
DOI: | 10.1117/12.459710 | ||||||||||||||
Record Number: | CaltechAUTHORS:20190115-155106154 | ||||||||||||||
Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20190115-155106154 | ||||||||||||||
Official Citation: | Frank Rice, Matthew Sumner, Jonas Zmuidzinas, R. Hu, Henry G. LeDuc, Andrew I. Harris, David Miller, "SIS mixier design for a broadband millimeter spectrometer suitable for rapid line surveys and redshift determinations," Proc. SPIE 4855, Millimeter and Submillimeter Detectors for Astronomy, (17 February 2003); doi: 10.1117/12.459710 | ||||||||||||||
Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||||||||
ID Code: | 92299 | ||||||||||||||
Collection: | CaltechAUTHORS | ||||||||||||||
Deposited By: | Tony Diaz | ||||||||||||||
Deposited On: | 16 Jan 2019 00:04 | ||||||||||||||
Last Modified: | 16 Nov 2021 03:48 |
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