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Proceedings Paper

A near-infrared spectrometer to measure zodiacal light absorption spectrum
Author(s): A. S. Kutyrev; R. Arendt; E. Dwek; S. H. Moseley; D. Rapchun; R. F. Silverberg
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Paper Abstract

We have developed a high throughput infrared spectrometer for zodiacal light Fraunhofer lines measurements. The instrument is based on a cryogenic dual silicon Fabry-Perot etalon which is designed to achieve high signal to noise Franuhofer line profile measurements. Very large aperture silicon Fabry-Perot etalons wand fast camera optics make these measurements possible. The results of the absorption line profile measurements will provide a model free measure of the zodiacal light intensity in the near infrared. The knowledge of the zodiacal light brightness is crucial for accurate subtraction of zodiacal light foreground for accurate measure of the extragalactic background light after the subtraction of zodiacal light foreground. We present the final design of the instrument and the first results of its performance.

Paper Details

Date Published: 4 October 2010
PDF: 9 pages
Proc. SPIE 7735, Ground-based and Airborne Instrumentation for Astronomy III, 77354T (4 October 2010); doi: 10.1117/12.857603
Show Author Affiliations
A. S. Kutyrev, NASA Goddard Space Flight Ctr. (United States)
R. Arendt, NASA Goddard Space Flight Ctr. (United States)
E. Dwek, NASA Goddard Space Flight Ctr. (United States)
S. H. Moseley, NASA Goddard Space Flight Ctr. (United States)
D. Rapchun, NASA Goddard Space Flight Ctr. (United States)
R. F. Silverberg, NASA Goddard Space Flight Ctr. (United States)


Published in SPIE Proceedings Vol. 7735:
Ground-based and Airborne Instrumentation for Astronomy III
Ian S. McLean; Suzanne K. Ramsay; Hideki Takami, Editor(s)

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