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Proceedings Paper

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

Paper Details

Date Published: 7 August 2014
PDF: 15 pages
Proc. SPIE 9151, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation, 91515D (7 August 2014); doi: 10.1117/12.2055064
Show Author Affiliations
S. Reichel, SCHOTT AG (Germany)
U. Brauneck, SCHOTT Suisse SA (Switzerland)
S. Bourquin, SCHOTT Suisse SA (Switzerland)
A. Marín-Franch, Ctr. de Estudios de Física del Cosmos de Aragón (Spain)

Published in SPIE Proceedings Vol. 9151:
Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation
Ramón Navarro; Colin R. Cunningham; Allison A. Barto, Editor(s)

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