2003
DOI: 10.1117/12.521324
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Reducing the cost of low-expansion, fused mirror blanks

Abstract: For many years, lightweighted sandwich-style mirror blanks made from Corning's Ultra-Low Expansion glass (ULE ™ ) have been used in space telescope systems that demand superior optical performance. Despite the superior performance of this technology, the historically high cost and long schedule to procure such a blank has limited their use to only the most elite missions. Future missions, such as JWST, will seek to dramatically reduce the historical cost/schedule paradigm for ULE ™ blanks by capitalizing on ec… Show more

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