Laser resonator and adjustment method

Details Laser resonator and adjustment method Laser resonator and adjustment method

2006-03-14

2006-03-14

Harvey, Minsun Oh (Department: 2828)

Coherent light generators

Particular operating compensation means

C372S098000, C372S101000

Reexamination Certificate

active

07012940

ABSTRACT:
The present invention has the object of offering a laser resonator capable of maintaining high amplification efficiency even if the thermal lensing effect occurring in the laser medium varies during operation or over repeated operation and suspension of the laser device. The laser resonator comprises at least a pair of reflection portions (planar reflective mirrors3) provided such as to allow a laser beam to oscillate therebetween; a laser medium provided on the optical path of the laser between the pair of reflection portions; an excitation portion (excitation laser device5) for exciting the laser medium; an optical system (convex lens1) provided on the optical path of the laser beam between the laser medium and the pair of reflection portions for changing the state of the laser in the laser medium; and a movement portion for moving the optical system along the optical axis of the laser.

REFERENCES:
patent: 5200965 (1993-04-01), Okuyama et al.
patent: 5546222 (1996-08-01), Plaessmann et al.
patent: 5757842 (1998-05-01), LaPlante et al.
patent: 5892789 (1999-04-01), Yasui et al.
patent: 5912912 (1999-06-01), Caprara et al.
patent: 6700698 (2004-03-01), Scott

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