System for end-pumping a solid state laser using a large apertur

Details System for end-pumping a solid state laser using a large apertur System for end-pumping a solid state laser using a large apertur

1991-11-06

1993-12-07

Bovernick, Rodney B.

Coherent light generators

Particular pumping means

Pumping with optical or radiant energy

372101, H01S 3091, H01S 3092

Patent

active

052689204

ABSTRACT:
An optical system for end-pumping the gain medium of a three-level or a self-terminating solid state laser with the optical output from a wide aperture laser diode bar is disclosed. In a preferred embodiment, the optical system includes: a laser diode bar for emitting from an elongated emissive area thereof a bright light having a lateral divergence and a transverse divergence; and an optical assembly disposed between the laser diode bar and the three-level solid state laser for collecting and focusing the bright light into a relatively small high-intensity spot to end-pump the gain medium of the three-level or self-terminating solid state laser.

REFERENCES:
patent: 4794615 (1988-12-01), Berger et al.
patent: 5130996 (1992-07-01), Amano et al.
Publication, Laser Diode Pumped 1-W CW Green Laser, by M. Oka et al., Conence on Lasers and Electro-Optics, 1990 Technical Digest Series, vol. 7, 21-25, May 1990, Anaheim, Ca., Paper CWC5, 1990.

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