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Optical Engineering

Output power optimization in folded resonators
Author(s): Carlos A. Rosito; Guillermo D. Santiago
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Paper Abstract

Extraction efficiency in a folded resonator with overlapping between neighboring beams is analyzed in terms of number of mirrors, small-signal gain, and active length. The medium is assumed to be homogeneously broadened and saturated by the sum of overlapping irradiances, supposed to be uniform across each beam. Extraction efficiency is presented as a function of output coupler reflectivity, total gain, and reflectivity of folding mirrors. Optimum coupling is also computed for a range of gains per amplifying section and folding mirror reflectivities. Finally, efficiencies calculated with this model are compared with those obtained with a nonoverlapping model, showing higher figures, with maximum values shifted to the low-output coupler reflectivity for the presented model.

Paper Details

Date Published: 1 January 1996
PDF: 5 pages
Opt. Eng. 35(1) doi: 10.1117/1.600873
Published in: Optical Engineering Volume 35, Issue 1
Show Author Affiliations
Carlos A. Rosito, Ctr. de Investigaciones en Laseres y Aplicaciones (Argentina)
Guillermo D. Santiago, Univ. de Buenos Aires (Argentina)


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