Coherent light generators – Particular resonant cavity
Patent
1993-03-22
1994-02-22
Scott, Jr, Leon
Coherent light generators
Particular resonant cavity
372 99, 372 21, 372 84, 372 34, 372105, 372 93, H01S 308
Patent
active
052894916
ABSTRACT:
Disclosure is made of a laser system comprising a non-linear crystal that converts light at a fundamental wavelength to light at a harmonic wavelength and that has a thickness such that there is a phase mismatch between light at the fundamental wavelength and light at the harmonic wavelength in said crystal; first means for forming one of a travelling wave optical cavity and a standing wave optical cavity at the fundamental wavelength; and second means for forming one of a travelling wave and a standing wave optical cavity at the harmonic wavelength, the first means and said second means are located relative to the faces of said crystal such that the total phase mismatch of the light at the fundamental wavelength and the light at the harmonic wavelength, in the round trip path through the crystal and between each face of the crystal and the first means and the second means, is equal to an integral multiple of 2.pi..
REFERENCES:
patent: 4953166 (1990-08-01), Mooradian
patent: 5123026 (1992-06-01), Fan et al.
Bethea, "Megawat Power at 1.318n in Nd.sup.3+ : YAG and Simultaneous Oscillation at Both 1.06 and 1.318n"; IEEE JQE p. 251, Feb. 1973.
Amoco Corporation
Mican Stephen G.
Scott, Jr Leon
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