5 September 2002 Longitudinal-mode analysis and selection of the bidirectional LD-pumped solid ring laser
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Nowadays laser diode pumped solid-state laser is becoming more and more attractive to numerous applications. In Gyroscope, because of its solid-state, high gains and other merits, Laser Diode Pumped Solid-State Ring Laser (DPSSRL) has gained much attention from researchers. The bi-directional DPSSRL using Nd:YVO4 that is never reported as far as we know has been approved in our experiment. The most obvious application ofthis kind ofDPSSRL is in the gyroscope. But DPSSRL has its natural tendency to operate in multiple-longitudinal-mode that will affect the precision of gyroscopes dramatically. So a novel longitudinalmode analysis and selection of DPSSRL is performed. In this analysis a Fabry-Perot etalon is added to the settings of a bi-directional operation of DPSSRL. And the theoretical result is single longitudinal mode. In this paper the bi-directional DPSSL experiment configuration is presented. The bi-directional singlelongitudinal- mode DPSSRL modal using Nd:YVO4 have been developed. In order to get a good performance in the experiments, the beam size ofthe laser in the cavity with and without the crystal has been calculated.
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Zhili Zhang, Liqun Sun, Qian Tian, "Longitudinal-mode analysis and selection of the bidirectional LD-pumped solid ring laser", Proc. SPIE 4913, Semiconductor Lasers and Applications, (5 September 2002); doi: 10.1117/12.482203; https://doi.org/10.1117/12.482203

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