Advanced astronomical filter design: challenges, strategy, and results to meet current and future requirements

S. Reichel; R. Biertümpfel; U. Brauneck; S. Bourquin; A. Marín-Franch

doi:10.1117/12.2232340

22 July 2016 Advanced astronomical filter design: challenges, strategy, and results to meet current and future requirements

S. Reichel, R. Biertümpfel, U. Brauneck, S. Bourquin, A. Marín-Franch

Author Affiliations +

Proceedings Volume 9912, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation II; 99122H (2016) https://doi.org/10.1117/12.2232340
Event: SPIE Astronomical Telescopes + Instrumentation, 2016, Edinburgh, United Kingdom

Abstract

The Observatorio Astrofisico de Javalambre in Spain will conduct an all-sky astronomical survey using multi-bands, where optical filters are needed. These filters are narrow bandpass steep edge filters (FWHM = 14.5 nm) in a spectrum between 390 to 920 nm with 10.0 nm steps. In order to fulfill the demanding requirements for final scientific image quality and transmitted wavefront error a new white-light Shack Hartmann sensor and difficult refractive index measurements of the sub-assembly were needed. In addition due to the spectral requirements the design and manufacturing of the filters were pushed at its technological limit.

Citation Download Citation

S. Reichel, R. Biertümpfel, U. Brauneck, S. Bourquin, and A. Marín-Franch "Advanced astronomical filter design: challenges, strategy, and results to meet current and future requirements", Proc. SPIE 9912, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation II, 99122H (22 July 2016); https://doi.org/10.1117/12.2232340

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