Complex holographic elements in photo-thermo-refractive glass for the visible spectral region

Fedor Kompan; Ivan Divliansky; Vadim Smirnov; Leonid B. Glebov

doi:10.1117/12.2252766

22 February 2017 Complex holographic elements in photo-thermo-refractive glass for the visible spectral region

Fedor Kompan, Ivan Divliansky, Vadim Smirnov, Leonid B. Glebov

Proceedings Volume 10085, Components and Packaging for Laser Systems III; 100850P (2017) https://doi.org/10.1117/12.2252766
Event: SPIE LASE, 2017, San Francisco, California, United States

Abstract

Planar holographic optical elements (volume Bragg gratings, VBGs) recorded in photo-thermo-refractive (PTR) glass are widely used for fine spectral filtering and laser beam control. PTR glass provides photosensitivity in near UV region. Therefore, while planar holographic elements operate in the whole window of transparency - near UV, visible and near IR spectral regions, application of complex (nonplanar) elements is restricted to near UV. A method has been proposed to create high-efficiency diffractive optical elements in PTR glass using visible light. The method employs excited state absorption in PTR glass doped with Tb³⁺. UV radiation was used for excitation to a metastable level of Tb³⁺ and pulsed radiation at 532 nm was used for hologram recording. Both planar VBGs and holographic lenses operating at 532 nm were demonstrated. Complex holographic optical elements in PTR glass can provide attractive solutions for lasers and spectroscopy replacing conventional optical components.

Conference Presentation

Citation Download Citation

Fedor Kompan, Ivan Divliansky, Vadim Smirnov, and Leonid B. Glebov "Complex holographic elements in photo-thermo-refractive glass for the visible spectral region", Proc. SPIE 10085, Components and Packaging for Laser Systems III, 100850P (22 February 2017); https://doi.org/10.1117/12.2252766

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