Coherent light generators – Particular component circuitry – Optical pumping
Patent
1985-02-14
1987-04-07
Scott, Jr., Leon
Coherent light generators
Particular component circuitry
Optical pumping
372 29, 372 33, 372 69, 315312, 315DIG7, 307264, H01S 300
Patent
active
046566376
ABSTRACT:
Prior power supplies adapted to provide power to the lasers of multiple ring laser gyros were inefficient in that they were required to have power output capabilities far in excess of that required to sustain laser operations. Such inefficiency is greatly reduced by the present power supply comprising a DC power source (30) for producing a firing voltage at a first terminal (40) and a sustaining voltage at a second terminal (42), and interface means (50) associated with each laser (12, 13, 14) for coupling the laser to the first and second terminals. The firing voltage is capable of firing each laser, and the sustaining voltage is capable of sustaining current flow through each laser after firing. Each interface means comprises a resistor (52, 53, 54) connecting the laser to the first terminal and a diode (55, 56, 57) for connecting the laser to the second terminal such that the diode does not permit current flow between the first and second terminals.
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Jr. Leon Scott
Sundstrand Data Control Inc.
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