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Proceedings Paper

Effects of out-coupling in fiber lasers
Author(s): Jesus Escobedo-Alatorre; Romeo J. Selvas-Aguilar; A. Martinez-Rios; Daniel A. May-Arrioja; Miguel A. Basurto-Pensado; Jose Javier Sanchez-Mondragon
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Paper Abstract

An analysis of out-coupling in a laser shows an optimum way of subtracting more output power by choosing an appropriate cavity arrangement from a high-power fiber laser. This investigation consisted in resolving analytically the effect of different cavities in our laser system and one thing that outcome was to know that a fiber laser can operate with high efficiency even with high losses in one end of the cavity (e.g. at an external diffraction grating), only if the feedback in the out-coupling end is low. Moreover, it was also found that is possible to improve the output power by reducing the feedback in the out-coupling end. Parameters considered in this resolved method are 0.1 NA, 10 μm diameter core, 200 μm inner-cladding diameter and 10 dB small-signal absorption. The fiber laser was doped with ytterbium and lases at 1080 nm, when pumped at 915 hm. The maximum pump power was set to 10 W.

Paper Details

Date Published: 21 October 2004
PDF: 4 pages
Proc. SPIE 5622, 5th Iberoamerican Meeting on Optics and 8th Latin American Meeting on Optics, Lasers, and Their Applications, (21 October 2004); doi: 10.1117/12.590743
Show Author Affiliations
Jesus Escobedo-Alatorre, Ctr. de Investigaciones en Ingenieria y Ciencia Aplicadas (Mexico)
Romeo J. Selvas-Aguilar, Ctr. de Investigaciones en Optica, A.C. (Mexico)
A. Martinez-Rios, Ctr. de Investigaciones en Optica, A.C. (Mexico)
Daniel A. May-Arrioja, College of Optics and Photonics/Univ. of Central Florida (United States)
Miguel A. Basurto-Pensado, Ctr. de Investigaciones en Ingenieria y Ciencia Aplicadas (Mexico)
Jose Javier Sanchez-Mondragon, Ctr. de Investigaciones en Ingenieria y Ciencia Aplicadas (Mexico)
Instituto Nacional de Astrofisica, Optica y Electronica (Mexico)


Published in SPIE Proceedings Vol. 5622:
5th Iberoamerican Meeting on Optics and 8th Latin American Meeting on Optics, Lasers, and Their Applications

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