Wang Wenming, Yi Zhang, Jiang Werihan. Auto-orientation of KDP crystals in laser frequency doubling[J]. Chinese Journal of Lasers, 1987, 14(10): 603
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This paper puts foward a proposal for auto-orientation of a KDP crystal array and describes a microprocessor auto-orientation system which can auto-regulate the single piece of KDP crystal to its optimal matching direction. The control accuracy of the system E= +16.3. s. The system is able to track the change of the matching angle in real-time. It is able to compensate the influence of temperature drift and external vibration on the orientation.