System and method for reducing wavefront distortion in high-gain

Details System and method for reducing wavefront distortion in high-gain System and method for reducing wavefront distortion in high-gain

1998-06-12

2000-07-25

Arroyo, Teresa M.

Coherent light generators

Particular pumping means

Pumping with optical or radiant energy

H01S 3091, H01S 3094

Patent

active

060944471

ABSTRACT:
A system and method for reducing wavefront distortion in high-gain diode-pumped laser media by providing a non-uniform current profile to be delivered to a pumping array comprised of laser diodes distributed on a laser medium. A signal processor provides for partitioning an electric current emitted from a diode driver such that the pumping array receives a non-uniform current profile resulting in a controlled thermal gradient near the periphery of the laser substrate. By controlling this thermal gradient at the region where an exit laser beam leaves the laser medium, the thermally-induced exit beam distortion is minimized.

REFERENCES:
patent: 5337325 (1994-08-01), Hwang
patent: 5748654 (1998-05-01), Marabella et al.
patent: 5761234 (1998-06-01), Craig et al.
patent: 5854805 (1998-12-01), Reid et al.
patent: 6016324 (2000-01-01), Rieger et al.

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