25 September 2014 Overview of diffraction gratings technologies for space-flight satellites and astronomy
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Abstract
The diffraction gratings are widely used in Space-flight satellites for spectrograph instruments or in ground-based telescopes in astronomy. The diffraction gratings are one of the key optical components of such systems and have to exhibit very high optical performances. HORIBA Jobin Yvon S.A.S. (part of HORIBA Group) is in the forefront of such gratings development for more than 40 years. During the past decades, HORIBA Jobin Yvon (HJY) has developed a unique expertise in diffraction grating design and manufacturing processes for holographic, ruled or etched gratings. We will present in this paper an overview of diffraction grating technologies especially designed for space and astronomy applications. We will firstly review the heritage of the company in this field with the space qualification of different grating types. Then, we will describe several key grating technologies developed for specific space or astronomy projects: ruled blazed low groove density plane reflection grating, holographic blazed replica plane grating, high-groove density holographic toroidal and spherical grating and transmission Fused Silica Etched (FSE) grismassembled grating.
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Arnaud Cotel, Audrey Liard, Frédéric Desserouer, Francis Bonnemason, Pierre Pichon, "Overview of diffraction gratings technologies for space-flight satellites and astronomy", Proc. SPIE 9192, Current Developments in Lens Design and Optical Engineering XV, 91920I (25 September 2014); doi: 10.1117/12.2060681; https://doi.org/10.1117/12.2060681
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