Minimizing radiation damage in nonlinear optical crystals

Details Minimizing radiation damage in nonlinear optical crystals Minimizing radiation damage in nonlinear optical crystals

1996-04-10

1998-09-08

Moskowitz, Nelson

Optical: systems and elements

Optical modulator

Light wave temporal modulation

359245, G02F 103, G02F 129, H01L 2302

Patent

active

058053298

ABSTRACT:
Methods are disclosed for minimizing laser induced damage to nonlinear crystals, such as KTP crystals, involving various means for electrically grounding the crystals in order to diffuse electrical discharges within the crystals caused by the incident laser beam. In certain embodiments, electrically conductive material is deposited onto or into surfaces of the nonlinear crystals and the electrically conductive surfaces are connected to an electrical ground. To minimize electrical discharges on crystal surfaces that are not covered by the grounded electrically conductive material, a vacuum may be created around the nonlinear crystal.

REFERENCES:
patent: 4886345 (1989-12-01), Popeh
patent: 5083221 (1992-01-01), Toyoder et al.
patent: 5504616 (1996-04-01), Shinozaki et al.
patent: 5561549 (1996-10-01), Hatori et al.
Quagliano et al, Advanced Solid State Laser Conf., Jan. 29, 1995, 9 pp.; Abst. only herewith.

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