Fluoride glass Raman fiber laser at 2185 nm |
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Authors: | Fortin Vincent Bernier Martin Carrier Julien Vallée Réal |
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Affiliation: | Center for Optics, Photonics, and Lasers, Université Laval, Québec G1V 0A6, Canada. vincent.fortin.5@ulaval.ca |
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Abstract: | We report on the first Raman laser based on a fluoride glass optical fiber. The Raman fiber laser was pumped by a 9.6?WTm3+:silica CW fiber laser operating at a wavelength of 1940?nm. A maximum output power of 580?mW was measured at 2185.1?nm, corresponding to a frequency shift of 579?cm(-1) (17.37?THz). We observed a threshold power of 3.8?W and a low power slope efficiency of 29% with respect to the launched pump power. Using those results and the known fiber parameters, we estimated a Raman gain peak value of 3.52*10(-14)?m/W, which is lower than the previously reported values. |
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