Laser with optically driven Q-switch

Details Laser with optically driven Q-switch Laser with optically driven Q-switch

1993-07-15

1995-04-18

Bovernick, Rodney B.

Coherent light generators

Particular beam control device

Q-switch

372 11, H01S 311

Patent

active

054084806

ABSTRACT:
An optically driven interactive Q-switch, i.e., a Q-switch that responds to a short pulse of light, for example, from external light-emitting diodes (LEDs) or diode lasers, is provided for producing an output laser pulse from electronic energy stored in a laser medium. Q-switching is thus achieved on demand by electrically pulsing the light source to produce a pulse of light directed onto a Q-switch medium in the laser cavity. Electronic control of the light pulse from the external source will thus provide not only efficient Q-switching frequency but also independent control of output laser pulse width with a fast rise time for each output laser pulse.

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patent: 5121402 (1992-06-01), Scheps
patent: 5220579 (1993-06-01), Urakami et al.

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