Expanded IR glass map for multispectral optics designs

Shyam Bayya; Daniel Gibson; Vinh Nguyen; Guy Beadie; Jasbinder Sanghera; Mikhail Kotov

doi:10.1117/12.2224130

17 May 2016 Expanded IR glass map for multispectral optics designs

Shyam Bayya, Daniel Gibson, Vinh Nguyen, Guy Beadie, Jasbinder Sanghera, Mikhail Kotov

Proceedings Volume 9822, Advanced Optics for Defense Applications: UV through LWIR; 98220N (2016) https://doi.org/10.1117/12.2224130
Event: SPIE Defense + Security, 2016, Baltimore, MD, United States

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.

Citation Download Citation

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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