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Proceedings Paper

Immersion grating and etched gratings for infrared astronomy
Author(s): Guenter R. Wiedemann; Hemant H. Dave; Donald E. Jennings
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Paper Abstract

An immersion grating with a high refractive index, n, increases the spectral resolution by a factor n over that of a reflective surface grating of equal length. A silicon immersion grating has been developed and tested; initial results are reported here.

Paper Details

Date Published: 20 October 1993
PDF: 7 pages
Proc. SPIE 1946, Infrared Detectors and Instrumentation, (20 October 1993); doi: 10.1117/12.158716
Show Author Affiliations
Guenter R. Wiedemann, European Southern Observatory (Germany)
Hemant H. Dave, Applied Research Corp. (United States)
Donald E. Jennings, NASA Goddard Space Flight Ctr. (United States)

Published in SPIE Proceedings Vol. 1946:
Infrared Detectors and Instrumentation
Albert M. Fowler, Editor(s)

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