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Cryogenic (70K) measurement of an all-composite 2-meter diameter mirror

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dc.contributor.author Catanzaro, B. en_US
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dc.date.accessioned 2004-09-23
dc.date.available 2004-09-23
dc.date.issued 2001-08-22 en_US
dc.identifier.citation Optomechanical Design and Engineering 2001 en_US
dc.identifier.citation Pasadena, CA, USA en_US
dc.identifier.clearanceno 01-2024 en_US
dc.identifier.uri http://hdl.handle.net/2014/13280
dc.description.abstract The Herschel Space observatory (formerly known as FIRST) consists of a 3.5 m space telescope. In order to develop lightweight telescope technology suitable for this mission, COI designed and fabricated aspherical, f/1 2 m aperture prototype primary mirror using solely carbon fiber reinforced polypmer (CFR) materials. To assess the performance of this technology, optical metrology of the mirror surface was performed from ambient to an intended operational temperature for IR-telescopes of 70K. Testing was performed horizontally in a cryogenic vacuum chamber at Arnold Engineering Development Center (AEDC), Tennessee. en_US
dc.format.extent 4152186 bytes
dc.format.mimetype application/pdf
dc.language.iso en_US
dc.subject.other lightweight mirrors cryogenic testing composite materials phase shifting interferometer en_US
dc.title Cryogenic (70K) measurement of an all-composite 2-meter diameter mirror en_US


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