Design of a mid-IR immersion echelle grating spectrograph for remote sensing

Norman L. Thomas; Isabella T. Lewis; Charles G. Stevens

doi:10.1117/12.210907

12 June 1995 Design of a mid-IR immersion echelle grating spectrograph for remote sensing

Norman L. Thomas, Isabella T. Lewis, Charles G. Stevens

Proceedings Volume 2480, Imaging Spectrometry; (1995) https://doi.org/10.1117/12.210907
Event: SPIE's 1995 Symposium on OE/Aerospace Sensing and Dual Use Photonics, 1995, Orlando, FL, United States

Abstract

We describe the design of a silicon immersion grating spectrograph for the remote detection of chemicals in the atmosphere. The instrument is designed to operate in the two atmospheric windows from 2.3 to 2.5 and 2.8 to 4.2 microns at a resolution of 0.1 cm^-1. This is achieved by cross dispersing a high order silicon immersion echelle (13.5 grooves/mm) and a first order concave grating operating in a reflective configuration to generate a 2D spectrum in the image plane with diffraction limited performance.

Citation Download Citation

Norman L. Thomas, Isabella T. Lewis, and Charles G. Stevens "Design of a mid-IR immersion echelle grating spectrograph for remote sensing", Proc. SPIE 2480, Imaging Spectrometry, (12 June 1995); https://doi.org/10.1117/12.210907

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