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Optical bifurcated fiber diode-pumping for two-wavelength laser operation with the Yb3+-doped GdAl3(BO3)4 birefringent crystal |
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| Authors: | A Brenier C Tu Z Zhu J Li |
| Institution: | 1. Université de Lyon, 69622, Lyon, France 2. Université Lyon 1, Villeurbanne, France 3. Laboratoire de Physico-Chimie des Matériaux Luminescents, UMR CNRS 5620, Université de Lyon, Université Lyon 1, 69622, Villeurbanne, France 4. Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350002, China |
| Abstract: | Thanks to diode pumping through an optical bifurcated fiber, we take benefit of the birefringence of the Yb3+-doped GdAl3(BO3)4 crystal to get two-polarization and two-wavelength laser operation both in CW and in passive Q-switch regimes. Typical differential slopes are 54% and 30% respectively for the o- and e-waves. In the pulse regime the two o- and e-pulses are synchronous but not simultaneous. Free running laser emissions near 1040 and 1046 nm for the e- and o-waves respectively were obtained with 2.5 nm FWHM. |
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