Characterization of glancing angle deposited (GLAD) optical coatings for UV applications

Christopher J. Chinhong; James E. Platten; Michael J. D'Lallo; Thomas E. Gebo

doi:10.1117/12.2310004

8 May 2018 Characterization of glancing angle deposited (GLAD) optical coatings for UV applications

Christopher J. Chinhong, James E. Platten, Michael J. D'Lallo, Thomas E. Gebo

Proceedings Volume 10627, Advanced Optics for Defense Applications: UV through LWIR III; 106270F (2018) https://doi.org/10.1117/12.2310004
Event: SPIE Defense + Security, 2018, Orlando, FL, United States

Abstract

Controlling for uniformity of an optical coating becomes increasingly difficult for optics with steep curvatures over a large aperture. The growth of a film will inevitably be affected as a function of deposition angle. By exploiting the porosity of a film grown at oblique angles, its refractive index can be tailored to specific applications. An anti-reflective coating deposited on a tilted Corning High-Purity Fused Silica (HPFS) 7980 substrate was characterized for surface and cross-sectional morphologies, crystalline structures, and spectroscopic homogeneity.

Conference Presentation

Citation Download Citation

Christopher J. Chinhong, James E. Platten, Michael J. D'Lallo, and Thomas E. Gebo "Characterization of glancing angle deposited (GLAD) optical coatings for UV applications", Proc. SPIE 10627, Advanced Optics for Defense Applications: UV through LWIR III, 106270F (8 May 2018); https://doi.org/10.1117/12.2310004

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