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17 May 2016 Expanded IR glass map for multispectral optics designs
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Abstract
This paper presents new multispectral IR glasses with transmission from 0.9 to > 14 μm in wavelength and refractive index from 2.38 to 2.17. These new glasses are designed to have comparable glass softening temperatures and compatible coefficients of thermal expansion to allow bonding and co-molding of multilayer optics. With large variation in their Abbe numbers and negative to near-zero dn/dT, optics made from these new glasses can significantly reduce the size/weight or complexity of the multispectral imaging systems for weight sensitive platforms.
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Shyam Bayya, Daniel Gibson, Vinh Nguyen, Guy Beadie, Jasbinder Sanghera, and Mikhail Kotov "Expanded IR glass map for multispectral optics designs", Proc. SPIE 9822, Advanced Optics for Defense Applications: UV through LWIR, 98220N (17 May 2016); https://doi.org/10.1117/12.2224130
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