"Baffling" design of a three-mirror off-axis celestial telescope

Eric R. Hansen; William L. Wolfe

doi:10.1117/12.138957

5 January 1993 "Baffling" design of a three-mirror off-axis celestial telescope

Eric R. Hansen, William L. Wolfe

Proceedings Volume 1762, Infrared Technology XVIII; (1993) https://doi.org/10.1117/12.138957
Event: San Diego '92, 1992, San Diego, CA, United States

Abstract

Design approches to a space-based celestial telescope, called the Advanced Visible Telescope developed at the University of Arizona Optical Sciences Center, are reviewed with particular attention given to stray light reduction. The major design considerations intended to provide a stiff mounting structure for the optics and adjustments that simplify system alignment, and the introduction of baffles to provide stray-light rejection for off-axis sources are discussed. Two stray light rejection modeling methods are compared which were developed under SOAR (a program for rapid calculation of stray light on the IBM PC) and APART (a first order deterministic stray radiation analysis program). It is concluded that below the critical shading angle both programs show similar results but above critical shading angles there were discrepancies in results.

Citation Download Citation

Eric R. Hansen and William L. Wolfe ""Baffling" design of a three-mirror off-axis celestial telescope", Proc. SPIE 1762, Infrared Technology XVIII, (5 January 1993); https://doi.org/10.1117/12.138957

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