Coherent light generators – Particular component circuitry – Optical pumping
Patent
1994-05-20
1995-09-12
Scott, Jr., Leon
Coherent light generators
Particular component circuitry
Optical pumping
372 29, 372 50, 372 92, H01S 300
Patent
active
054504309
ABSTRACT:
A high power laser diode driver utilizing a monolithic semiconductor device capable of eliminating the stray resistance and the stray capacitance at interconnections between an energy storage medium and an optically activated semiconductor switch, thereby generating high power laser output pulses with ultra-narrow pulsewidth, fast rise time and fast fall time at high PRF and significantly extending the capability of the diode driver. The laser diode driver includes a control unit for controlling an input drive signal, an electric power conditioning and pulse charging unit for receiving the drive signal controlled in the control unit and thereby generating an electrical energy, a triggering light source and drive unit for receiving a control signal from the control unit and generating a low power, triggering optical light, an optically activated monolithic semiconductor unit for converting the capacitively charged electrical energy into a traveling wave and then a high current impulse while being optically activated by the triggering optical light from the triggering light source and drive unit, and a high power laser array for converting the high current impulse received from the optically activated monolithic semiconductor unit into a high power, optical pulse to be outputted.
REFERENCES:
patent: 4817098 (1989-03-01), Horkawa
patent: 4819242 (1989-04-01), Kaku et al.
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