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Proceedings Paper

Brightness enhancement of solid state laser oscillators in single-mode lasing using novel inside-resonator optical elements with radially variable transmission
Author(s): Svetlana G. Lukishova; Nestor Raul Minhu Mendez; Valerii V. Ter-Mikirtychev; Tamara V. Tulaikova
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Paper Abstract

The results of intracavity application of soft or apodized apertures (AA) with smooth transmission profiles decreasing from the center to the edges are presented. Photooxidation (PhO) AA, made of CaF2:Pr crystals were used. The approximately 3-4 mm diameter of PhO AA with bell-like transmission profiles as placed inside the 2.94 micrometers and 1.06 micrometers resonators of master oscillators. The tendency of the order of magnitude of 1.3 - 1.8 times increasing in output energy and diminishing in beam divergence in single-mode lasing as compared with hard-edge aperture have been observed in the experiment described.

Paper Details

Date Published: 1 December 1991
PDF: 12 pages
Proc. SPIE 1527, Current Developments in Optical Design and Optical Engineering, (1 December 1991); doi: 10.1117/12.48662
Show Author Affiliations
Svetlana G. Lukishova, Institute of Radioengineering and Electronics (Russia)
Nestor Raul Minhu Mendez, Hospital Lima Peru (Peru)
Valerii V. Ter-Mikirtychev, Institute of General Physics (Russia)
Tamara V. Tulaikova, Institute of General Physics (Russia)

Published in SPIE Proceedings Vol. 1527:
Current Developments in Optical Design and Optical Engineering
Robert E. Fischer; Warren J. Smith, Editor(s)

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