Fabrication of blanks, figuring, polishing and testing of segmented astronomic mirrors for SALT and LAMOST projects

Alexandr P. Semenov; Magomed A. Abdulkadyrov; Alexandr N. Ignatov; Vladimir E. Patrikeev; Vitaliy V. Pridnya; Andrey V. Polyanchikov; Yury A. Sharov

doi:10.1117/12.605953

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2 May 2005 Fabrication of blanks, figuring, polishing and testing of segmented astronomic mirrors for SALT and LAMOST projects; Techical Digest

Alexandr P. Semenov, Magomed A. Abdulkadyrov, Alexandr N. Ignatov, Vladimir E. Patrikeev, Vitaliy V. Pridnya, Andrey V. Polyanchikov, Yury A. Sharov

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Proceedings Volume 10315, Optifab 2005: Technical Digest; 1031509 (2005) https://doi.org/10.1117/12.605953
Event: Optifab 2005, 2005, Rochester, NY, United States

Abstract

The technical capabilities of LZOS allow optics manufacturing from the phase of melting and annealing of Astrositall® blanks to their final figuring. Nowadays LZOS is working on the several large contracts, among them are manufacturing of 96 hexagonal segment blanks of 1019 mm x 55 mm of Sitall CO-115M for the SALT (Southern African Large Telescope) primary segmented mirror, and 40 sub-mirrors of Zerodur® for the 6.7 m x 6 m segmented Mb mirror for the LAMOST (Large Sky Area Multi-Object Spectroscopic Telescope) project.

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Alexandr P. Semenov, Magomed A. Abdulkadyrov, Alexandr N. Ignatov, Vladimir E. Patrikeev, Vitaliy V. Pridnya, Andrey V. Polyanchikov, and Yury A. Sharov "Fabrication of blanks, figuring, polishing and testing of segmented astronomic mirrors for SALT and LAMOST projects; Techical Digest", Proc. SPIE 10315, Optifab 2005: Technical Digest, 1031509 (2 May 2005); https://doi.org/10.1117/12.605953

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