Assessment of black and spectrally selective surfaces for stray light reduction in telescope systems

Stephen M. Pompea

doi:10.1117/12.858219

22 July 2010 Assessment of black and spectrally selective surfaces for stray light reduction in telescope systems

Stephen M. Pompea

Proceedings Volume 7739, Modern Technologies in Space- and Ground-based Telescopes and Instrumentation; 773921 (2010) https://doi.org/10.1117/12.858219
Event: SPIE Astronomical Telescopes + Instrumentation, 2010, San Diego, California, United States

Abstract

Black and spectrally selective surfaces are important in optical systems. The proper selection of these surfaces is essential to create or maintain system performance. A critical first step in selection of surfaces is to understand the performance requirements for contrast and stray light. A well-defined performance specification accompanied by stray light modeling is important to understand how the system behaves. Without both of these, the selection of surfaces is very difficult. Practical considerations in choosing spectrally selective and tailored emissivity surfaces for a range of ultraviolet/optical/infrared telescopes and instruments are given. The Bidirectional Reflectance Data Function (BRDF) of a surface is the most useful characterization in assessing the optical properties of surfaces. Data on long-term surface durability characteristics necessary for end of life optical predictions are also critical.

Citation Download Citation

Stephen M. Pompea "Assessment of black and spectrally selective surfaces for stray light reduction in telescope systems", Proc. SPIE 7739, Modern Technologies in Space- and Ground-based Telescopes and Instrumentation, 773921 (22 July 2010); https://doi.org/10.1117/12.858219

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