Cavity dump laser controller

Details Cavity dump laser controller Cavity dump laser controller

1990-03-19

1991-03-19

Scott, Jr., Le/ on

Coherent light generators

Particular beam control device

Control of pulse characteristics

372 38, 372 26, 372 12, H01S 310

Patent

active

050017179

ABSTRACT:
There is provided by this invention a controller for cavity dumping a laser which maintains a consistent output pulse energy level. The constant output pulse energy level is due to the clipping of the circulating power within the laser's cavity upon its reaching a threshold level. In order to further insure that the output pulses are of equal energy even within a laser that is pulse interval modulated, the threshold level for the circulating power within the laser's cavity is adjusted according to a predetermined ratio of the number of times the circulating power is clipped to the number of times the circulating power is not clipped so that the predetermined ratio is maintained.

REFERENCES:
patent: 4665524 (1987-05-01), Cotfer
patent: 4930901 (1990-06-01), Johnson et al.

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