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Proceedings Paper

Photochemical changes of rare-earth valent state in gamma-irradiated CaF2:Pr crystals by the excimer laser radiation: investigation and application
Author(s): 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
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Paper 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.

Paper Details

Date Published: 1 September 1991
PDF: 8 pages
Proc. SPIE 1503, Excimer Lasers and Applications III, (1 September 1991); doi: 10.1117/12.46945
Show Author Affiliations
Svetlana G. Lukishova, Institute of Radioengineering and Electronics (Russia)
Alexey Z. Obidin, Institute of General Physics (Russia)
Serge K. Vartapetov, Institute of General Physics (Russia)
Igor A. Veselovsky, Institute of General Physics (Russia)
Anatoly V. Osiko, Institute of General Physics (Russia)
Tamara V. Tulaikova, Institute of General Physics (Russia)
Valerii V. Ter-Mikirtychev, Institute of General Physics (Russia)
Nestor Raul Minhu Mendez, Hospital Lima Peru (Peru)

Published in SPIE Proceedings Vol. 1503:
Excimer Lasers and Applications III
Tommaso Letardi; Lucien Diego Laude, Editor(s)

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