Immersion grating and etched gratings for infrared astronomy

Guenter R. Wiedemann; Hemant H. Dave; Donald E. Jennings

doi:10.1117/12.158716

20 October 1993 Immersion grating and etched gratings for infrared astronomy

Guenter R. Wiedemann, Hemant H. Dave, Donald E. Jennings

Proceedings Volume 1946, Infrared Detectors and Instrumentation; (1993) https://doi.org/10.1117/12.158716
Event: Optical Engineering and Photonics in Aerospace Sensing, 1993, Orlando, FL, United States

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.

Citation Download Citation

Guenter R. Wiedemann, Hemant H. Dave, and Donald E. Jennings "Immersion grating and etched gratings for infrared astronomy", Proc. SPIE 1946, Infrared Detectors and Instrumentation, (20 October 1993); https://doi.org/10.1117/12.158716

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