Simultaneous self-mode-locking of TEM0,0 and TEM1,0 modes in a Nd:YVO4 laser: Application for measuring the thermal focal length |
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| Authors: | H. C. Liang P. Y. Chiang Y. J. Huang Y. C. Lin Y. F. Chen |
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| Affiliation: | 1.Department of Electrophysics,National Chiao Tung University,Hsinchu,Taiwan |
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| Abstract: | We demonstrate that the simultaneous self-mode-locking of TEM0,0 and TEM1,0 modes can be achieved in a standard end-pumped Nd:YVO4 laser. With this simultaneous self-mode-locking, the transverse beat frequency can be accurately measured as a function of the absorbed power. We employ the measured beat frequency and the cavity theory to precisely determine the effective focal length of the thermal lens in the gain medium. |
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