SiC lightweight telescope for the GEO mission

Michael I. Anapol; Leo R. Gardner; Richard R. Glasheen; Peter Hadfield; Theodore W. Tucker

doi:10.1117/12.161393

15 November 1993 SiC lightweight telescope for the GEO mission

Michael I. Anapol, Leo R. Gardner, Richard R. Glasheen, Peter Hadfield, Theodore W. Tucker

Proceedings Volume 1952, Surveillance Technologies and Imaging Components; (1993) https://doi.org/10.1117/12.161393
Event: Optical Engineering and Photonics in Aerospace Sensing, 1993, Orlando, FL, United States

Abstract

Many satellite-borne measurement applications require lightweight, reflective near diffraction limited telescopes with wide spectral bands (UV/visible to LWIR), for operation in space environments and over wide temperature ranges. Emerging silicon carbide (SiC) technology provides an attractive material for these telescope applications. The present paper describes the design and analysis of a 50 cm dia. aperture on-axis three mirror re-imaging SiC telescope, including the structure and a 'GOES like' scan flat for the GEO application. Optical, thermal and structural design and analyses are described for the demonstration hardware. Demonstration mirrors and structural hardware have been fabricated, tested and compared to design analyses with excellent agreement.

Citation Download Citation

Michael I. Anapol, Leo R. Gardner, Richard R. Glasheen, Peter Hadfield, and Theodore W. Tucker "SiC lightweight telescope for the GEO mission", Proc. SPIE 1952, Surveillance Technologies and Imaging Components, (15 November 1993); https://doi.org/10.1117/12.161393

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