Photochemical changes of rare-earth valent state in gamma-irradiated CaF2:Pr crystals by the excimer laser radiation: investigation and application

Svetlana G. Lukishova; Alexey Z. Obidin; Serge K. Vartapetov; Igor A. Veselovsky; Anatoly V. Osiko; Tamara V. Tulaikova; Valerii V. Ter-Mikirtychev; Nestor Raul Minhu Mendez

doi:10.1117/12.46945

1 September 1991 Photochemical changes of rare-earth valent state in gamma-irradiated CaF₂:Pr crystals by the excimer laser radiation: investigation and application

Svetlana G. Lukishova, Alexey Z. Obidin, Serge K. Vartapetov, Igor A. Veselovsky, Anatoly V. Osiko, Tamara V. Tulaikova, Valerii V. Ter-Mikirtychev, Nestor Raul Minhu Mendez

Author Affiliations +

Proceedings Volume 1503, Excimer Lasers and Applications III; (1991) https://doi.org/10.1117/12.46945
Event: ECO4 (The Hague '91), 1991, The Hague, Netherlands

Abstract

This paper presents a novel application of UV laser radiation: fabrication of soft or apodized apertures (AA)I-3 with transmission profiles decreasing smoothly from the center to the edges for high-power single-pulse visible and near-IR lasers. Such units are used both outside and inside the cavity for beam shaping, for avoiding hard-edge Fresnel diffraction ripples in laser amplifiers, for increasing the second harmonic conversion efficiency, and for the brightness enhancement of master oscillators in single-mode lasing.

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Svetlana G. Lukishova, Alexey Z. Obidin, Serge K. Vartapetov, Igor A. Veselovsky, Anatoly V. Osiko, Tamara V. Tulaikova, Valerii V. Ter-Mikirtychev, and Nestor Raul Minhu Mendez "Photochemical changes of rare-earth valent state in gamma-irradiated CaF₂:Pr crystals by the excimer laser radiation: investigation and application", Proc. SPIE 1503, Excimer Lasers and Applications III, (1 September 1991); https://doi.org/10.1117/12.46945

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