| 摘要 |
A solid state laser device according to the present invention comprises a pumping semiconductor laser 11 for oscillating a laser light as a pumping light, a collimator lens 12 for leading the laser light to parallel rays, a focusing lens 21 for focusing the laser light led to the parallel rays by the collimator lens 12 and leading the focused laser light to a laser medium 22, the laser medium 22 for absorbing the laser light and outputting a spontaneous emission light and an optical resonator 25 for confining the spontaneous emission light to make the laser light oscillated by an induced emission, wherein the solid state laser device includes a housing 10 for storing the a pumping semiconductor laser 11 and the collimator lens 12 in a state of positioning them on the same optical axis 16, and a housing 20 for housing the focusing lens 21, the laser medium 22 and the optical resonator 25 in a state of positioning them on the same optical axis, and the housings are detachable.
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