Multi-wavelength laser apparatus and continuous variable wavelen

Details Multi-wavelength laser apparatus and continuous variable wavelen Multi-wavelength laser apparatus and continuous variable wavelen

1997-09-23

2000-01-04

Lee, John D.

Coherent light generators

Particular beam control device

Nonlinear device

359330, 372 23, H01S 3108

Patent

active

060118091

ABSTRACT:
It is an object of the present invention to provide a multi-wavelength laser apparatus and a continuous variable wavelength laser apparatus capable of simultaneously outputting laser beams with a plurality of wavelengths and generating up to a high laser output without causing any optical damage. To achieve this object, a multi-wavelength laser apparatus including an optical parametric oscillator having a nonlinear optical crystal and an excitation laser light source includes mirrors for dividing a laser beam emitted from the excitation laser light source into at least three optical axes, and a ring type resonator which simultaneously inputs the laser beams divided by these mirrors at different angles to the nonlinear optical crystal, thereby making the nonlinear optical crystal generate laser beams with at least six different wavelengths, and which does not cause any optical damage up to a high laser output.

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