Semi-monolithic cavity for external resonant frequency doubling

Details Semi-monolithic cavity for external resonant frequency doubling Semi-monolithic cavity for external resonant frequency doubling

1997-11-05

1999-11-09

Healy, Brian

Coherent light generators

Particular beam control device

Nonlinear device

372 22, 372 23, 372 99, 372101, 359326, 359328, H01S 310, G02F 135

Patent

active

059827882

ABSTRACT:
The fabrication of an optical cavity for use in a laser, in a frequency doubling external cavity, or any other type of nonlinear optical device, can be simplified by providing the nonlinear crystal in combination with a surrounding glass having an index of refraction substantially equal to that of the nonlinear crystal. The closed optical path in this cavity is formed in the surrounding glass and through the nonlinear crystal which lies in one of the optical segments of the light path. The light is transmitted through interfaces between the surrounding glass in the nonlinear crystal through interfaces which are formed at the Brewster-angle to minimize or eliminate reflection.

REFERENCES:
patent: 5077748 (1991-12-01), Kozlovsky et al.
patent: 5130996 (1992-07-01), Amano et al.
patent: 5195104 (1993-03-01), Geiger et al.
patent: 5265110 (1993-11-01), Naya
patent: 5291503 (1994-03-01), Geiger et al.
patent: 5321718 (1994-06-01), Waarts et al.
patent: 5621744 (1997-04-01), Kikuchi et al.

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