A near-infrared spectrometer to measure zodiacal light absorption spectrum

A. S. Kutyrev; R. Arendt; E. Dwek; S. H. Moseley; D. Rapchun; R. F. Silverberg

doi:10.1117/12.857603

4 October 2010 A near-infrared spectrometer to measure zodiacal light absorption spectrum

A. S. Kutyrev, R. Arendt, E. Dwek, S. H. Moseley, D. Rapchun, R. F. Silverberg

Proceedings Volume 7735, Ground-based and Airborne Instrumentation for Astronomy III; 77354T (2010) https://doi.org/10.1117/12.857603
Event: SPIE Astronomical Telescopes + Instrumentation, 2010, San Diego, California, United States

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.

Citation Download Citation

A. S. Kutyrev, R. Arendt, E. Dwek, S. H. Moseley, D. Rapchun, and R. F. Silverberg "A near-infrared spectrometer to measure zodiacal light absorption spectrum", Proc. SPIE 7735, Ground-based and Airborne Instrumentation for Astronomy III, 77354T (4 October 2010); https://doi.org/10.1117/12.857603

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