22 July 2016 Performance characteristics of advanced volume phase holographic gratings for operation in the near infrared
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Abstract
Volume phase holographic (VPH) gratings are proven dispersing elements in astronomical spectrographs over the visible spectrum. VPH gratings have also been successfully deployed for use at cryogenic temperatures. Recent advances in production technology now permit the production of gratings for use in the near infrared up to 2450 nm at cryogenic conditions. This paper describes the requirements of VPH gratings for use in the H (wavelengths from 1500 nm to 1800 nm) and K (wavelengths from 1950 nm to 2450 nm) bands, gives the theoretical performances of diffraction efficiency for the production designs and presents the measured performances on the production gratings
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James A. Arns, James A. Arns, } "Performance characteristics of advanced volume phase holographic gratings for operation in the near infrared", Proc. SPIE 9912, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation II, 991232 (22 July 2016); doi: 10.1117/12.2233126; https://doi.org/10.1117/12.2233126
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