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8 September 1995 Polarization spectrum of double-clad fiber lasers
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Measurements of the state of polarization of the output of a double-clad fiber laser with relatively large birefringence and dichroism as a function of pump power and externally induced anisotropic stress are reported. The laser field ellipticity and the laser gain dichroism show a sharp modulation across the optical spectrum; this spectral modulation has a characteristic length of 1.75 nm, determined by the fiber core birefringence. The laser output power is partially elliptically polarized with the degree of polarization having a value near zero below and well above laser threshold, and near one close to threshold.
© (1995) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Luis A. Zenteno, A. B. Boyain, Alejandrina Martinez, and Andrey N. Starodumov "Polarization spectrum of double-clad fiber lasers", Proc. SPIE 2552, Infrared Technology XXI, (8 September 1995);

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