Established in 2001 and located in the city of Qingdao, China, Crystech Inc. is a global supplier of ALEXANDRITE, KTP, GTR-KTP, RTP and KDP Q-Switch, Nd:YAG and CTH:YAG crystals, thin film polarizers, ...
light emitted by a Q-switched frequency-quadrupled Nd:YAG laser. The laser pulses excite an ultrasonic surface-acoustic-wave that travels across the tooth and is detected by highly sensitive ...
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