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2012•Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIEOpen access

James Webb Space Telescope optical telescope element mirror development history and results

Lee D. Feinberg, Mark Clampin, Ritva Keski-Kuha, Charlie Atkinson, S. Texter, Mark Bergeland, Benjamin Gallagher

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Abstract

In a little under a decade, the James Webb Space Telescope (JWST) program has designed, manufactured, assembled and tested 21 flight beryllium mirrors for the James Webb Space Telescope Optical Telescope Element. This paper will summarize the mirror development history starting with the selection of beryllium as the mirror material and ending with the final test results. It will provide an overview of the technological roadmap and schedules and the key challenges that were overcome. It will also provide a summary of the key tests that were performed and the results of these tests.

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What this paper is about

In a little under a decade, the James Webb Space Telescope (JWST) program has designed, manufactured, assembled and tested 21 flight beryllium mirrors for the James Webb Space Telescope Optical Telescope Element. This paper will summarize the mirror development history starting with the selection of beryllium as the mirror material and ending with the final test results. It will provide an overview of the technological roadmap and schedules and the key challenges that were overcome. It will also provide a summary of the key tests that were performed and the results of these tests.

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Available abstract

In a little under a decade, the James Webb Space Telescope (JWST) program has designed, manufactured, assembled and tested 21 flight beryllium mirrors for the James Webb Space Telescope Optical Telescope Element. This paper will summarize the mirror development history starting with the selection of beryllium as the mirror material and ending with the final test results. It will provide an overview of the technological roadmap and schedules and the key challenges that were overcome. It will also provide a summary of the key tests that were performed and the results of these tests.

Key concepts: James Webb Space Telescope, Telescope, Spitzer Space Telescope, Primary mirror, Beryllium, Optics, Physics, Optical telescope

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