LSST primary/tertiary monolithic mirror

J. Sebag; W. Gressler; M. Liang; D. Neill; C. Araujo-Hauck; J. Andrew; G. Angeli; M. Cho; C. Claver; F. Daruich; C. Gessner; E. Hileman; V. Krabbendam; G. Muller; G. Poczulp; R. Repp; O. Wiecha; B. Xin; K. Kenagy; H. M. Martin; M. T. Tuell; S. C. West

doi:10.1117/12.2230012

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8 August 2016 LSST primary/tertiary monolithic mirror

J. Sebag, W. Gressler, M. Liang, D. Neill, C. Araujo-Hauck, J. Andrew, G. Angeli, M. Cho, C. Claver, F. Daruich, C. Gessner, E. Hileman, V. Krabbendam, G. Muller, G. Poczulp, R. Repp, O. Wiecha, B. Xin, K. Kenagy, H. M. Martin, M. T. Tuell, S. C. West

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Proceedings Volume 9906, Ground-based and Airborne Telescopes VI; 99063E (2016) https://doi.org/10.1117/12.2230012
Event: SPIE Astronomical Telescopes + Instrumentation, 2016, Edinburgh, United Kingdom

Abstract

At the core of the Large Synoptic Survey Telescope (LSST) three-mirror optical design is the primary/tertiary (M1M3) mirror that combines these two large mirrors onto one monolithic substrate. The M1M3 mirror was spin cast and polished at the Steward Observatory Mirror Lab at The University of Arizona (formerly SOML, now the Richard F. Caris Mirror Lab at the University of Arizona (RFCML)). Final acceptance of the mirror occurred during the year 2015 and the mirror is now in storage while the mirror cell assembly is being fabricated. The M1M3 mirror will be tested at RFCML after integration with its mirror cell before being shipped to Chile.

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J. Sebag, W. Gressler, M. Liang, D. Neill, C. Araujo-Hauck, J. Andrew, G. Angeli, M. Cho, C. Claver, F. Daruich, C. Gessner, E. Hileman, V. Krabbendam, G. Muller, G. Poczulp, R. Repp, O. Wiecha, B. Xin, K. Kenagy, H. M. Martin, M. T. Tuell, and S. C. West "LSST primary/tertiary monolithic mirror", Proc. SPIE 9906, Ground-based and Airborne Telescopes VI, 99063E (8 August 2016); https://doi.org/10.1117/12.2230012

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