Design and modeling of a 1-m silicon carbide f/16 secondary for the Gemini 8-m telescopes

Eric R. Hansen; John L. Roberts

doi:10.1117/12.176255

1 June 1994 Design and modeling of a 1-m silicon carbide f/16 secondary for the Gemini 8-m telescopes

Eric R. Hansen, John L. Roberts

Proceedings Volume 2199, Advanced Technology Optical Telescopes V; (1994) https://doi.org/10.1117/12.176255
Event: 1994 Symposium on Astronomical Telescopes and Instrumentation for the 21st Century, 1994, Kailua, Kona, HI, United States

Abstract

A novel design for a chopping infrared secondary mirror using silicon carbide has been proposed which is compatible with a 0.1 arcsecond image quality, 8 meter class telescope. The image quality response to inputs such as changing gravity orientation, wind loading, thermal loading, active correction tilt and chopping profiles have been predicted using a combination of finite element analysis and optical design codes.

Citation Download Citation

Eric R. Hansen and John L. Roberts "Design and modeling of a 1-m silicon carbide f/16 secondary for the Gemini 8-m telescopes", Proc. SPIE 2199, Advanced Technology Optical Telescopes V, (1 June 1994); https://doi.org/10.1117/12.176255

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