Cross and superposition type laser crystal frequency multiplier
A technology of laser crystal and frequency multiplier, which is applied in the field of laser frequency conversion, can solve the problems of affecting the frequency conversion efficiency of frequency conversion, beam quality, and limiting the effective length of action.
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Embodiment 2
[0039] Embodiment 2 The newly grown new nonlinear crystal GAB crystal is selected to make a cross-superimposed nonlinear crystal frequency multiplier, and the frequency multiplication is achieved by the 940nm LD laser beam coupled by an optical fiber to achieve blue light output. The LD light source used is the same as that in Embodiment 1.
[0040] GAB crystal is a new frequency doubling crystal material. When the present invention is implemented, there is no block size crystal that can be used to make devices in the past. Therefore, two crystal sheets are processed respectively with the small-size crystal sheet of this crystal (only during processing) It is necessary to remember the orientation of a certain characteristic growth edge, and then you can grasp their relative orientation relationship when combining them into devices), and then use these two crystal slices to combine into a cross-superimposed nonlinear crystal frequency multiplier. The crystal belongs to the unia...
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