Device and method for stabilizing laser power
A power stable, laser technology, applied in lasers, laser parts, phonon exciters, etc., can solve the problems of unsuitable high-power laser output power, high design cost, low optical damage threshold, etc., to meet the requirements of optical power stability. Demand, simple design, low cost effect
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[0022] The present invention will be further described below in conjunction with accompanying drawing:
[0023] Such as figure 1 As shown, a laser power stabilization device includes a laser 1, a focusing lens 2, a nonlinear crystal 3, a beam splitter 4, a garbage pool 5, a λ / 2 wave plate 6, a polarizing beam splitter 7, a photodetector 8 and Controller 9; the nonlinear crystal 3 is characterized in that the nonlinear crystal 3 is a frequency doubling crystal, and placed in a red copper temperature-controlled furnace; the nonlinear crystal 3 is placed at the focal point of the focusing lens 2, and the entire The output beam of the solid-state laser 1 is focused in the nonlinear crystal 3 by the focusing lens 2, and part of the laser light is converted into frequency-doubled light; the transmitted beam of the nonlinear crystal 3 is separated from the fundamental frequency light and the frequency-doubled light by the beam splitter 4, and the frequency-doubled light is introduce...
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