Variable pulse repetition frequency passively Q-switched laser

Details Variable pulse repetition frequency passively Q-switched laser Variable pulse repetition frequency passively Q-switched laser

2008-01-15

2008-01-15

Rodriguez, Armando (Department: 2828)

Coherent light generators

Particular beam control device

Q-switch

C372S011000

Reexamination Certificate

active

07319708

ABSTRACT:
A passive Q-switch element is disclosed that permits operating a laser with a variable pulse repetition frequency (PRF). The Q-switch comprises two wedges of material, one made from saturable absorber material, the other from transparent material, with the two wedges mounted together to form a constant optical thickness block. By translating the block transversely to a laser beam the amount of saturable absorber material seen by the laser beam is altered and as a result the PRF of the laser is varied.

REFERENCES:
patent: 5303256 (1994-04-01), Sumida
patent: 5654974 (1997-08-01), Stultz
patent: 6466593 (2002-10-01), Fukumoto
patent: 6723977 (2004-04-01), Fukumoto
patent: 6842466 (2005-01-01), Tam et al.

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