Holographic substrate-guided spectrometer for atmospheric sensing

Fedor I. Dimov; X. Winston Xia; Jun Ai; Neven Rakuljic; Chris Griffo; Engin Arik; Anthony B. Davis

doi:10.1117/12.2024674

19 September 2013 Holographic substrate-guided spectrometer for atmospheric sensing

Fedor I. Dimov, X. Winston Xia, Jun Ai, Neven Rakuljic, Chris Griffo, Engin Arik, Anthony B. Davis

Proceedings Volume 8867, Infrared Remote Sensing and Instrumentation XXI; 88670P (2013) https://doi.org/10.1117/12.2024674
Event: SPIE Optical Engineering + Applications, 2013, San Diego, California, United States

Abstract

This paper surveys the need for oxygen A-band spectroscopy to improve our understanding of clouds and their key role in the climate system. We then report on a novel holographic A-band substrate-guided spectrometer device recently developed at Luminit. This A-band spectrometer prototype is based on an innovative structure of two thick reflection substrate-guided wave-based holograms (SGWHs) that act as dispersive and/or imaging elements to enable a sufficient spectral resolution. The technology is made very attractive by its significantly lower cost compared to currently available systems/devices with similar A-band capability, while providing higher light throughput, a better out-of-band rejection ratio, higher resolution at a smaller size, and better stability and reliability.

Citation Download Citation

Fedor I. Dimov, X. Winston Xia, Jun Ai, Neven Rakuljic, Chris Griffo, Engin Arik, and Anthony B. Davis "Holographic substrate-guided spectrometer for atmospheric sensing", Proc. SPIE 8867, Infrared Remote Sensing and Instrumentation XXI, 88670P (19 September 2013); https://doi.org/10.1117/12.2024674

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