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Proceedings Paper

Pass-band filter performance for space-flight dark energy missions
Author(s): J. Edelstein; Stuart L. Mufson; Nick J. Mostek; Brian J. Baptista; Bruce E. Woodgate; Alex G. Kim; Charles R. Bower; Ray Boucarut; Manuel A. Quijada
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Paper Abstract

The nature of Dark Energy can by constrained by the precise determination of super-novae distance moduli in ultraviolet to near IR pass-bands. Space-based observations are required for these moduli to be measured with the scientifically required photometric accuracies. Consequently, robust pass-band filters operable at cryogenic temperatures (120-140K) are needed that have challenging performance attributes including high in-band transmission, low ripple, good out-ofband rejection, and moderate band-edge slope. We describe the requirements and performance of dielectric multi-layer filters with spectral profiles that are suitable for both achieving the science and for accurate calibration using plausible on-orbit measurement systems.

Paper Details

Date Published: 20 July 2010
PDF: 10 pages
Proc. SPIE 7739, Modern Technologies in Space- and Ground-based Telescopes and Instrumentation, 773942 (20 July 2010); doi: 10.1117/12.858306
Show Author Affiliations
J. Edelstein, Univ. of California, Berkeley (United States)
Stuart L. Mufson, Indiana Univ. (United States)
Nick J. Mostek, Lawrence Berkeley National Lab. (United States)
Brian J. Baptista, Indiana Univ. (United States)
Bruce E. Woodgate, NASA Goddard Space Flight Ctr. (United States)
Alex G. Kim, Lawrence Berkeley National Lab. (United States)
Charles R. Bower, Indiana Univ. (United States)
Ray Boucarut, NASA Goddard Space Flight Ctr. (United States)
Manuel A. Quijada, NASA Goddard Space Flight Ctr. (United States)


Published in SPIE Proceedings Vol. 7739:
Modern Technologies in Space- and Ground-based Telescopes and Instrumentation
Eli Atad-Ettedgui; Dietrich Lemke, Editor(s)

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