SOLID-STATE LASER OSCILLATOR AND METHOD FOR MODULATING SOLID-STATE LASER OUTPUT PULSE

摘要

PROBLEM TO BE SOLVED: To provide a solid-state laser oscillator and a method for modulating solid-state laser output pulses that can modulate a pulse train of a solid-state laser that carries out pulse oscillation, at an optional frequency and prevent giant pulses from being generated and a laser diode from being short lived.;SOLUTION: The solid-state laser oscillator includes a laser diode power supply 2, a Q-switch driver 5 performing on-off control of a Q-switch 6, and a power supply controller 1a controlling power supply by the laser diode power supply 2 and the generation of Q-switch drive signals by the Q-switch driver 5. The power supply controller 1a controls the laser diode power supply 2 to stop the generation of Q-switch drive signals by the Q-switch driver 5 every predetermined period according to the modulation frequency when modulating output pulses and to lower a value of an electric current supplied to the laser diode 3 from the laser diode power supply 2, to a first predetermined value larger than 0 during the generation stop period of Q-switch drive signals.;COPYRIGHT: (C)2010,JPO&INPIT