Advanced optical coatings for astronomical instrumentation

Fabien Pradal; Hervé Leplan; Hervé Vayssade; Roland Geyl

doi:10.1117/12.2234455

22 July 2016 Advanced optical coatings for astronomical instrumentation

Fabien Pradal, Hervé Leplan, Hervé Vayssade, Roland Geyl

Proceedings Volume 9912, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation II; 99122I (2016) https://doi.org/10.1117/12.2234455
Event: SPIE Astronomical Telescopes + Instrumentation, 2016, Edinburgh, United Kingdom

Abstract

Recently Safran Reosc worked and progressed on various thin film technology for:

Large mirrors with low stress and stable coatings.

Large lens elements with strong curvature and precise layer specifications.

Large filters with high spectral response uniformity specifications.

IR coatings with low stress and excellent resistance to cryogenic environment for NIR to LWIR domains.

Pixelated coatings. Results will be presented and discussed on the basis of several examples.

Citation Download Citation

Fabien Pradal, Hervé Leplan, Hervé Vayssade, and Roland Geyl "Advanced optical coatings for astronomical instrumentation", Proc. SPIE 9912, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation II, 99122I (22 July 2016); https://doi.org/10.1117/12.2234455

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