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Proceedings Paper

Design and performance of a high resolution μ-spec: an integrated sub-millimeter spectrometer
Author(s): Emily M. Barrentine; Giuseppe Cataldo; Ari D. Brown; Negar Ehsan; Omid Noroozian; Thomas R. Stevenson; Kongpop U-Yen; Edward J. Wollack; S. Harvey Moseley
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Paper Abstract

μ-Spec is a compact submillimeter (~ 100 GHz - 1:1 THz) spectrometer which uses low loss superconducting microstrip transmission lines and a single-crystal silicon dielectric to integrate all of the components of a diffraction grating spectrometer onto a single chip. We have already successfully evaluated the performance of a prototype μ-Spec, with spectral resolving power, R=64. Here we present our progress towards developing a higher resolution μ-Spec, which would enable the first science returns in a balloon flight version of this instrument. We describe modifications to the design in scaling from a R=64 to a R=256 instrument, as well as the ultimate performance limits and design concerns when scaling this instrument to higher resolutions.

Paper Details

Date Published: 19 July 2016
PDF: 11 pages
Proc. SPIE 9914, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VIII, 99143O (19 July 2016); doi: 10.1117/12.2234462
Show Author Affiliations
Emily M. Barrentine, NASA Goddard Space Flight Ctr. (United States)
Giuseppe Cataldo, NASA Goddard Space Flight Ctr. (United States)
Universities Space Research Association (United States)
Ari D. Brown, NASA Goddard Space Flight Ctr. (United States)
Negar Ehsan, NASA Goddard Space Flight Ctr. (United States)
Omid Noroozian, NASA Goddard Space Flight Ctr. (United States)
Univ. of Maryland, College Park (United States)
Thomas R. Stevenson, NASA Goddard Space Flight Ctr. (United States)
Kongpop U-Yen, NASA Goddard Space Flight Ctr. (United States)
Edward J. Wollack, NASA Goddard Space Flight Ctr. (United States)
S. Harvey Moseley, NASA Goddard Space Flight Ctr. (United States)


Published in SPIE Proceedings Vol. 9914:
Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VIII
Wayne S. Holland; Jonas Zmuidzinas, Editor(s)

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