Fault tolerant optical system using diode laser array

Details Fault tolerant optical system using diode laser array Fault tolerant optical system using diode laser array

1993-12-07

1994-11-29

Epps, Georgia Y.

Coherent light generators

Particular active media

Semiconductor

372101, H01S 319

Patent

active

053696590

ABSTRACT:
The individual outputs of a large laser diode array are combined using an optical transformer of diffractive optics. To allow for the tolerances in the laser array and combining optics required for mass production, the system further includes corrector optics. The corrector optics includes individual lens elements which are fabricated to provide specific correction of faults in the individual lasers and associated combining optics resulting from manufacturing tolerances. The preferred corrector lenses include diffractive lenses fabricated by laser milling.

REFERENCES:
patent: 4813762 (1989-03-01), Leger et al.
patent: 4972427 (1990-11-01), Streifer et al.
patent: 5027359 (1991-06-01), Leger et al.
patent: 5140608 (1992-08-01), Karpol et al.
Leger, James R. and Goltsos, William C., "Geometrical Transformation of Linear Diode-Laser Arrays for Longitudinal Pumping of Solid-State Lasers," IEEE Journal of Quantum Electronics, vol. 28, No. 4, Apr. 1992.

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