Optical filters for UV to near IR space applications

T. Begou; H. Krol; Christophe Hecquet; C. Bondet; J. Lumeau; C. Grèzes-Besset; M. Lequime

doi:10.1117/12.2304155

17 November 2017 Optical filters for UV to near IR space applications

T. Begou, H. Krol, Christophe Hecquet, C. Bondet, J. Lumeau, C. Grèzes-Besset, M. Lequime

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Proceedings Volume 10563, International Conference on Space Optics — ICSO 2014; 1056306 (2017) https://doi.org/10.1117/12.2304155
Event: International Conference on Space Optics — ICSO 2014, 2014, Tenerife, Canary Islands, Spain

Abstract

We present hereafter the results on the fabrication of complex optical filters within the Institut Fresnel in close collaboration with CILAS. Bandpass optical filters dedicated to astronomy and space applications, with central wavelengths ranging from ultraviolet to near infrared, were deposited on both sides of glass substrates with performances in very good congruence with theoretical designs. For these applications, the required functions are particularly complex as they must present a very narrow bandwidth as well as a high level of rejection over a broad spectral range. In addition to those severe optical performances, insensitivity to environmental conditions is necessary. For this purpose, robust solutions with particularly stable performances have to be proposed.

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T. Begou, H. Krol, Christophe Hecquet, C. Bondet, J. Lumeau, C. Grèzes-Besset, and M. Lequime "Optical filters for UV to near IR space applications", Proc. SPIE 10563, International Conference on Space Optics — ICSO 2014, 1056306 (17 November 2017); https://doi.org/10.1117/12.2304155

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KEYWORDS

Optical filters

Ultraviolet radiation

Optical filtering

Sputter deposition

Astronomical imaging

Plasma

Refractive index

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