| 摘要 |
PROBLEM TO BE SOLVED: To permit long-term use of an optical component, as well as stabilized laser oscillation, by reducing the load on the optical component in the inside of a resonator. SOLUTION: The wavelength conversion laser device is provided with a solid-state laser element 4, a Q-switch 5 and a non-linear crystal 3 which are arranged between a pair of resonator mirrors 1, 2 to perform wavelength conversion of fundamental wave laser beam generated by the solid-state laser element 4 by the non-linear crystal 3 and output by oscillating Q-switch pulse through the Q- switch 5. In such a wavelength conversion laser device, one or both of the pair of resonator mirrors are employed as partial reflecting mirrors that transmit one portion of laser beam. COPYRIGHT: (C)2008,JPO&INPIT
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