High power infrared laser system

Details High power infrared laser system High power infrared laser system

1996-06-19

1999-05-25

Bovernick, Rodney

Coherent light generators

Particular resonant cavity

Unstable resonator

372 66, 372103, H01S 308

Patent

active

059075740

ABSTRACT:
A surgical laser system is provided with improvements to allow it to operate at higher power levels without beam divergence. The improvements include a beam expansion telescope in the optical path of the beam and modifications to the optical cavity and the lasing medium. The modifications include imposing a negative curvature on one or both ends of the rod, configuring the optical cavity as a positive-branch unstable resonator, and providing at least one intra-cavity shutter.

REFERENCES:
patent: 3680000 (1972-07-01), Chesler
patent: 4633479 (1986-12-01), Trageser
patent: 5202898 (1993-04-01), Sugawara et al.
patent: 5251222 (1993-10-01), Hester

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