Additional narrow bandpass steep edge optical filters for the JAST/T80 telescope instrumentation

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

doi:10.1117/12.2055064

7 August 2014 Additional narrow bandpass steep edge optical filters for the JAST/T80 telescope instrumentation

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

Proceedings Volume 9151, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation; 91515D (2014) https://doi.org/10.1117/12.2055064
Event: SPIE Astronomical Telescopes + Instrumentation, 2014, Montréal, Quebec, Canada

Abstract

The Observatorio Astrofisico de Javalambre in Spain observes with its telescope galaxies in the Local Universe plans to perform a multi-band survey, where optical filters are needed. Different filters with a full width half maximum between 10-20 nm with central wavelengths at 395 nm, 410 nm, 430 nm, 515 nm, and an average transmission T_ave larger than 85 % in the passband and blocking from 250 nm to 1050 nm of OD5 (T < 10^-5) will be shown. The edges are steep for a narrow transition from 5 % to 80 % and the transmitted wavefront error of the optical filter are less than λ/2 over an aperture > 100 mm.

Citation Download Citation

S. Reichel, U. Brauneck, S. Bourquin, and A. Marín-Franch "Additional narrow bandpass steep edge optical filters for the JAST/T80 telescope instrumentation", Proc. SPIE 9151, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation, 91515D (7 August 2014); https://doi.org/10.1117/12.2055064

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