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17 September 2018 Athermal glass for infrared optics
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Abstract
Certain glasses in the As-S and As-Se binary and As-S-Se ternary systems satisfy the challenging combination of optical and physical properties that describe an athermal solid Fabry-Perot etalon. This means that, in the investigated temperature range (roughly 25-35oC), interference fringes undergo very little movement in resonant wavelength as the temperature changes (i.e. < 5 ppm/K). Further, by virtue of their unusual combination of properties, this suite of glasses will occupy unique coordinates in the “glass map” approach used by optical designers to fabricate thermally- and chromatically-corrected lens systems.
Conference Presentation
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Mark J. Davis and Michaelene Kocher "Athermal glass for infrared optics", Proc. SPIE 10745, Current Developments in Lens Design and Optical Engineering XIX, 107450D (17 September 2018); https://doi.org/10.1117/12.2320708
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