Dichroic and anti-reflective coatings for astronomical instrumentation

C. Michel; E. Barthelemy; D. Hofman; L. Pinard; B. Sassolas; J. Teillon; G. Cagnoli

doi:10.1117/12.2312076

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10 July 2018 Dichroic and anti-reflective coatings for astronomical instrumentation

C. Michel, E. Barthelemy, D. Hofman, L. Pinard, B. Sassolas, J. Teillon, G. Cagnoli

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Proceedings Volume 10706, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation III; 107064Y (2018) https://doi.org/10.1117/12.2312076
Event: SPIE Astronomical Telescopes + Instrumentation, 2018, Austin, Texas, United States

Abstract

Due to the increase of astronomical projects and of their instruments, the request of large optics with higher optical performances does not stop growing. An important step in the manufacture of these optics is the deposition of high-precision optical coatings.
To answer to this request we developed coatings working at different angles of incidence and spectral ranges on large surface:

- anti-reflective coatings for large lenses with strong curvatures,

- dichroic coatings with sharp transition for large optics.

Main results will be presented on the basis of several examples of realization.

Citation Download Citation

C. Michel, E. Barthelemy, D. Hofman, L. Pinard, B. Sassolas, J. Teillon, and G. Cagnoli "Dichroic and anti-reflective coatings for astronomical instrumentation", Proc. SPIE 10706, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation III, 107064Y (10 July 2018); https://doi.org/10.1117/12.2312076

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