Large Solar-Rejection Filter
NASA’s Jet Propulsion Laboratory, Pasadena, California
Thursday, November 01 2007
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This lightweight filter comprises a multilayer spectral coating on a flexible membrane.
An optical filter consisting of a multilayer spectral coating on a flexible membrane has been designed to be placed in front of the 200-in. (5.08-m) Hale telescope on Mt. Palomar. The filter is intended to protect the telescope against solar radiant flux and limit solar heating of the interior of the telescope dome while transmitting light at the 1,064-nm wavelength of the Mars Laser Communication Demonstration.
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