Pass-band filter performance for space-flight dark energy missions

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

doi:10.1117/12.858306

20 July 2010 Pass-band filter performance for space-flight dark energy missions

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

Author Affiliations +

Proceedings Volume 7739, Modern Technologies in Space- and Ground-based Telescopes and Instrumentation; 773942 (2010) https://doi.org/10.1117/12.858306
Event: SPIE Astronomical Telescopes + Instrumentation, 2010, San Diego, California, United States

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.

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J. Edelstein, Stuart L. Mufson, Nick J. Mostek, Brian J. Baptista, Bruce E. Woodgate, Alex G. Kim, Charles R. Bower, Ray Boucarut, and Manuel A. Quijada "Pass-band filter performance for space-flight dark energy missions", Proc. SPIE 7739, Modern Technologies in Space- and Ground-based Telescopes and Instrumentation, 773942 (20 July 2010); https://doi.org/10.1117/12.858306

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