Laser apparatus and distance measurement apparatus
A technique for selecting two or more wavelengths of output light by a simpler structure is provided. A laser apparatus includes a laser oscillation portion for oscillating laser light; a nonlinear crystal inputting the laser light from the laser oscillation portion as a fundamental wave, the nonlin...
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| creator | Eno, Taizo Momiuchi, Masayuki |
| description | A technique for selecting two or more wavelengths of output light by a simpler structure is provided. A laser apparatus includes a laser oscillation portion for oscillating laser light; a nonlinear crystal inputting the laser light from the laser oscillation portion as a fundamental wave, the nonlinear crystal converting the fundamental wave into a second harmonic wave and changing conversion efficiency according to a temperature thereof, the nonlinear crystal having a periodically poled structure; and a ratio control means for controlling a ratio of the fundamental wave and the second harmonic wave outputting from the nonlinear crystal by controlling the temperature of the nonlinear crystal. |
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| language | eng |
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| source | USPTO Issued Patents |
| title | Laser apparatus and distance measurement apparatus |
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