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22 August 2016 Production of ELZM mirrors: performance coupled with attractive schedule, cost, and risk factors
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Abstract
Extreme light weighted ZERODUR Mirrors (ELZM) have been developed to exploit the superb thermal characteristics of ZERODUR. Coupled with up to date mechanical and optical fabrication methods this becomes an attractive technical approach. However the process of making mirror substrates has demonstrated to be unusually rapid and especially cost-effective. ELZM is aimed at the knee of the cost as a function of light weighting curve. ELZM mirrors are available at 88% light weighted. Together with their low risk, low cost production methods, this is presented as a strong option for NASA Explorer and Probe class missions.
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Antoine Leys, Tony Hull, and Thomas Westerhoff "Production of ELZM mirrors: performance coupled with attractive schedule, cost, and risk factors", Proc. SPIE 9911, Modeling, Systems Engineering, and Project Management for Astronomy VI, 99112P (22 August 2016); https://doi.org/10.1117/12.2234277
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