Solid-state laser device including uniaxial laser crystal emitti

Details Solid-state laser device including uniaxial laser crystal emitti Solid-state laser device including uniaxial laser crystal emitti

1992-10-16

1994-12-27

Lee, John D.

Coherent light generators

Particular beam control device

Nonlinear device

359328, H01S 3109

Patent

active

053772121

ABSTRACT:
A short-wavelength laser having a stable output and an optical information processing system capable of high-density recording are disclosed. A solid-state laser is used as a light source, and a nonlinear optical crystal is arranged in a resonator in order to produce a short wavelength by means of a solid-state laser. The retardation of the nonlinear optical crystal is controlled by determining the length of the nonlinear optical crystal. A solid-state laser device having a stable output with the noise removed from a pumping power light source is also provided. Further, the solid-state laser device is used as a light source for the optical information processing system, and the light of irrelevant wavelengths contained in the light from the solid-state laser device are removed by a device having the ability to select wavelengths. Thus, not only a stable light source with a short wavelength but also an optical information processing system capable of high-density recording are realized.

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