Category: Uncategorized
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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 up to 2.45 µm in wavelength are: ZnSe E-SF03 Calcium Fluoride (CaF2) Infrasil (Heraeus fused…
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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 to be the instrument of choice for rapid followup of transient events. The instrument has…
Nick Konidaris 