Dichroic coatings for astronomical instrumentation

E. Barthélémy-Mazot; M. Coulon; D. Hofman; C. Michel; L. Pinard; J. Teillon; B. Sassolas

doi:10.1117/12.2563398

13 December 2020 Dichroic coatings for astronomical instrumentation

E. Barthélémy-Mazot, M. Coulon, D. Hofman, C. Michel, L. Pinard, J. Teillon, B. Sassolas

Proceedings Volume 11451, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation IV; 114515K (2020) https://doi.org/10.1117/12.2563398
Event: SPIE Astronomical Telescopes + Instrumentation, 2020, Online Only

Conference Poster

Abstract

Due to the increasing number of astronomical projects and of their associated 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 dichroic coatings, with sharp transition for large optics, working at different angles of incidence and spectral ranges. The work done for the dichroic optics of the HRS and LRS instruments for the 4MOST project will be presented.

Citation Download Citation

E. Barthélémy-Mazot, M. Coulon, D. Hofman, C. Michel, L. Pinard, J. Teillon, and B. Sassolas "Dichroic coatings for astronomical instrumentation", Proc. SPIE 11451, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation IV, 114515K (13 December 2020); https://doi.org/10.1117/12.2563398

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