Solid-state laser device capable of generating a harmonic laser

Details Solid-state laser device capable of generating a harmonic laser Solid-state laser device capable of generating a harmonic laser

1990-11-30

1992-07-14

Epps, Georgia Y.

Coherent light generators

Particular beam control device

Nonlinear device

372 22, 372 41, 372 71, 372 75, 359326, 359328, H01S 310

Patent

active

051309963

ABSTRACT:
In a solid-state laser device comprising, as a solid-state laser medium, a nonlinear optical crystal, such as Nd.sub.x Y.sub.1-x Al.sub.3 (BO.sub.3).sub.4, which generates a primary laser beam of a fundamental wavelength and which can convert the primary laser beam into a subsidiary laser beam of a harmonic wavelength, a pair of optical elements is brought into contact with both ends of the solid-state laser medium to form a resonator for the primary laser beam. The optical elements may be composed of optical thin films or reflectors attached to the ends of the medium. At least one of the ends of the medium has a spherical surface convex outwards of the medium so as to reflect the primary laser beam into the medium.

REFERENCES:
patent: 4731787 (1988-03-01), Fan et al.
patent: 4951294 (1990-08-01), Basu et al.

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