Laser combiner

Details Laser combiner Laser combiner

1985-03-11

1988-02-16

Corbin, John K.

Coherent light generators

Particular component circuitry

Optical pumping

350 9616, 372 50, G02B 2714, H01S 319

Patent

active

047251310

ABSTRACT:
A device for combining the outputs of multiple laser sources to produce a single coherent beam with good far-field characteristics. The device includes an optical star coupler having multiple path lengths that are deliberately chosen to be different, by amounts that give rise to an interference pattern that has constructive interference peaks at periodic cycles along a wavelength interval. The optical path-length differences result in the occurrence of at least one wavelength, within the operating range of the lasers, at which all of the lasers will operate. The relationships among the optical path lengths is such that the lasing wavelength is relatively insensitive to phase mismatches along the path lengths.

REFERENCES:
patent: 4578791 (1986-03-01), Chen

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