High-power, end-pumped solid state laser

Details High-power, end-pumped solid state laser High-power, end-pumped solid state laser

1991-03-13

1992-12-08

Lee, John D.

Coherent light generators

Particular pumping means

Pumping with optical or radiant energy

H01S 3091, H01S 3092

Patent

active

051704064

ABSTRACT:
An end-pumped laser oscillator having an amplifier including a solid-state gain medium. Pump beams, which are generated by two groups of laser diode bars placed between the optical elements defining the optical resonator, are directed onto opposite end surfaces of the solid-state gain medium, which intersect the optical axis of the optical resonator. The laser diode bars of each group are circumferentially distributed about the optical axis in a uniform pattern and at the same distance along the optical axis from the gain medium. One group of diode bars is located to one side of the gain medium and the other group is located to the other side of the gain medium. Pump beam energy is thereby effectively and efficiently directed onto both end surfaces of the solid-state gain medium from a plurality of laser diode bars allowing the output power produced by the gain medium to be scaled to the thermal limits of the gain medium.

REFERENCES:
patent: 3903483 (1975-09-01), Shajenko
patent: 4901330 (1990-02-01), Wolfram et al.
patent: 5081637 (1992-01-01), Fan et al.

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