15 September 1995 Passively athermalized 250-mm diameter re-imaging refractor for the midwaveband infrared
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Abstract
The design of a large infrared refractive re-imager for use in the 3 - 5 micron waveband is described. Comparisons are made with designing for the longer 8 - 12 micron waveband. In particular, key design aspects of achromatization, athermalization, thermal gradients, and manufacturing sensitivity, have been emphasized.
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Reginald P. Jonas, Reginald P. Jonas, } "Passively athermalized 250-mm diameter re-imaging refractor for the midwaveband infrared", Proc. SPIE 2540, Current Developments in Optical Design and Engineering V, (15 September 1995); doi: 10.1117/12.219521; https://doi.org/10.1117/12.219521
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