Brightness enhancement of solid state laser oscillators in single-mode lasing using novel inside-resonator optical elements with radially variable transmission

Svetlana G. Lukishova; Nestor Raul Minhu Mendez; Valerii V. Ter-Mikirtychev; Tamara V. Tulaikova

doi:10.1117/12.48662

1 December 1991 Brightness enhancement of solid state laser oscillators in single-mode lasing using novel inside-resonator optical elements with radially variable transmission

Svetlana G. Lukishova, Nestor Raul Minhu Mendez, Valerii V. Ter-Mikirtychev, Tamara V. Tulaikova

Author Affiliations +

Proceedings Volume 1527, Current Developments in Optical Design and Optical Engineering; (1991) https://doi.org/10.1117/12.48662
Event: San Diego, '91, 1991, San Diego, CA, United States

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.

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Svetlana G. Lukishova, Nestor Raul Minhu Mendez, Valerii V. Ter-Mikirtychev, and Tamara V. Tulaikova "Brightness enhancement of solid state laser oscillators in single-mode lasing using novel inside-resonator optical elements with radially variable transmission", Proc. SPIE 1527, Current Developments in Optical Design and Optical Engineering, (1 December 1991); https://doi.org/10.1117/12.48662

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