Concave Aberration Corrected Holographic Gratings In Infrared Gas Monitoring Systems

Lars-Erik Nilsson

doi:10.1117/12.944814

12 December 1984 Concave Aberration Corrected Holographic Gratings In Infrared Gas Monitoring Systems

Lars-Erik Nilsson

Proceedings Volume 0503, Application, Theory, and Fabrication of Periodic Structures, DiffractionGratings, and Moire Phenomena II; (1984) https://doi.org/10.1117/12.944814
Event: 28th Annual Technical Symposium, 1984, San Diego, United States

Abstract

Infrared gas monitoring instruments have mainly been constructed around various filter arrangements, some of which are suffering from spectral interferences due to large optical bandwidths and temperature sensitivity. It is the purpose of this paper to describe the use of concave, aberration corrected holographic gratings as wavelength selective elements in these applications in order to reduce interferences and gain higher wavelength stability. The wavelength range discussed is about 2-10 micron. An example of a novel two element gas monitor is presented.

Citation Download Citation

Lars-Erik Nilsson "Concave Aberration Corrected Holographic Gratings In Infrared Gas Monitoring Systems", Proc. SPIE 0503, Application, Theory, and Fabrication of Periodic Structures, DiffractionGratings, and Moire Phenomena II, (12 December 1984); https://doi.org/10.1117/12.944814

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