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 ...

Probably the biggest seller, in his opinion, is lithium triborate, or LBO, which can double and triple the output of the ubiquitous Nd:YAG laser from ... also popular for Q-switching — a ...