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1-m Membrane Developed for Space Telescopes

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Improvements to higher-resolution optical systems for space deployment are dependent upon the development of lighter weight and less expensive primary mirrors. Researchers from the US Air Force Academy in Colorado and L'Garde Inc. in Tustin, Calif., report the development and successful ground testing of a 1-m-diameter membrane mirror with an areal mass of 17 g/m2. Constructed with a series of Kevlar strings and tension adjusters attached to the back, the mirror can be deformed into a concave surface with 166 dimples. Although lightweight and easily unfurled, the extreme slopes of the...Read full article

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    Published: October 2002
    Basic ScienceResearch & TechnologyTech Pulse

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