Assembly, alignment, and testing of the DECam wide field corrector optics

Peter Doel; David Brooks; Michelle L. Antonik; Brenna L. Flaugher; Andrew Stefanik; Stephen M. Kent; Gaston Gutierrez; Herman P. Cease; Timothy M. Abbott; Alistair R. Walker; Darren L. DePoy; Rebecca A. Bernstein; Sue Worswick

doi:10.1117/12.926590

24 September 2012 Assembly, alignment, and testing of the DECam wide field corrector optics

Peter Doel, David Brooks, Michelle L. Antonik, Brenna L. Flaugher, Andrew Stefanik, Stephen M. Kent, Gaston Gutierrez, Herman P. Cease, Timothy M. Abbott, Alistair R. Walker, Darren L. DePoy, Rebecca A. Bernstein, Sue Worswick

Author Affiliations +

Proceedings Volume 8446, Ground-based and Airborne Instrumentation for Astronomy IV; 84466F (2012) https://doi.org/10.1117/12.926590
Event: SPIE Astronomical Telescopes + Instrumentation, 2012, Amsterdam, Netherlands

Abstract

The DES project is a 5 year imaging survey of the southern sky using the 4m Blanco Telescope at the Cerro Tololo International Observatory in Chile. A new wide field camera with a 2.2 degree diameter field of view has been built to undertake this survey. The alignment of the large lenses for this camera poses a significant challenge as they have to be aligned to a tolerance of ±50 micrometers. This paper presents the assembly and alignment process of the full optical system along with the test results. Also included is the predicted imaging performance from the as-built system.

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Peter Doel, David Brooks, Michelle L. Antonik, Brenna L. Flaugher, Andrew Stefanik, Stephen M. Kent, Gaston Gutierrez, Herman P. Cease, Timothy M. Abbott, Alistair R. Walker, Darren L. DePoy, Rebecca A. Bernstein, and Sue Worswick "Assembly, alignment, and testing of the DECam wide field corrector optics", Proc. SPIE 8446, Ground-based and Airborne Instrumentation for Astronomy IV, 84466F (24 September 2012); https://doi.org/10.1117/12.926590

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