An active energy control circuit and method employing pulsewidth modulation for use with diode pumped laser systems. The active energy control circuit and method employs optical energy feedback sensing and output control of the electrical pulsewidth to pump diodes of the laser system. This creates an...http://www.google.com.tw/patents/US5291505?utm_source=gb-gplus-share專利 US5291505 - Active energy control for diode pumped laser systems using pulsewidth modulation
