22 July 2016 Advanced astronomical filter design: challenges, strategy, and results to meet current and future requirements
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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.
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S. Reichel, S. Reichel, R. Biertümpfel, R. Biertümpfel, U. Brauneck, U. Brauneck, S. Bourquin, S. Bourquin, A. Marín-Franch, 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); doi: 10.1117/12.2232340; https://doi.org/10.1117/12.2232340
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