Optically pumped solid-state laser oscillator

Details Optically pumped solid-state laser oscillator Optically pumped solid-state laser oscillator

1989-03-10

1990-07-17

Sikes, William L.

Coherent light generators

Particular pumping means

Pumping with optical or radiant energy

372 69, 372 70, 372 75, H01S 3091

Patent

active

049425870

ABSTRACT:
An optically pumped solid-state laser oscillating device which includes an optical resonator for outputting a laser beam of a predetermined wavelength. The optical resonator has a predetermined optical absorption band and is excited in response to a semiconductor laser beam having a wavelength falling within the optical absorption band. A plurality of excitation light sources are provided for emitting a plurality of semiconductor laser beams having different wavelengths and applying those laser beams to the optical resonator. At least one of the plurality of the semiconductor laser beams has a wavelength falling within the predetermined optical absorption band regardless of the change of an ambient temperature. Hence, a stable laser output is obtainable regardless of the change of the ambient temperature without need for employment of a complicated temperature controlling mechanism.

REFERENCES:
patent: 4791631 (1988-12-01), Baumert et al.

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