Q-switch driver

Details Q-switch driver Q-switch driver

1990-03-28

1991-05-14

Scott, Jr., Leon

Coherent light generators

Particular beam control device

Q-switch

372 25, 372 38, 372 29, H01S 311

Patent

active

050162519

ABSTRACT:
An apparatus and a method for precisely controlling long-pulse beam intensity in a laser device having a gain medium and a Q-switch disposed in a resonant cavity, and having a pump for supplying constant pulses of energy to the gain medium. The apparatus provides a Q-switch controller for adjustably controlling a timing window during which the Q-switch is open, to define the amount of pump energy coupled into the long pulses, and consequently the intensity of the beam. The controller has an input device for entering a desired length of the timing window, and a display device for displaying an indication of the length.

REFERENCES:
patent: 4337442 (1982-06-01), Mauck
patent: 4412330 (1983-10-01), Mauck et al.
patent: 4930901 (1990-06-01), Johnson et al.
Koechner, Solid-State Laser Engineering, 2d ed., pp. 402-446, Springer-Verlag (1988).

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