Category Archives: Uncategorized

Cryogenic Materials

Cryogenic lens designers of large optics need to know what materials are available and in what size. As of 19-Sept-2019 I’ve identified the following materials: Up to 200 mm in diameter with good (> 90% in 10 mm samples) throughput … Continue reading

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R2S2I

Recently, with the help of postdoc Decker French we have been looking into the design of a new rapid-response spectrograph and imager. We lovingly call it R2S2I or the “Rapid Response Swope Spectrograph and Imager”. The goal of R2S2I is … Continue reading

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