Polarization spectrum of double-clad fiber lasers

Luis A. Zenteno; A. B. Boyain; Alejandrina Martinez; Andrey N. Starodumov

doi:10.1117/12.218234

8 September 1995 Polarization spectrum of double-clad fiber lasers

Luis A. Zenteno, A. B. Boyain, Alejandrina Martinez, Andrey N. Starodumov

Proceedings Volume 2552, Infrared Technology XXI; (1995) https://doi.org/10.1117/12.218234
Event: SPIE's 1995 International Symposium on Optical Science, Engineering, and Instrumentation, 1995, San Diego, CA, United States

Abstract

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.

Citation Download Citation

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); https://doi.org/10.1117/12.218234

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