Laser diode pumped solid laser

Details Laser diode pumped solid laser Laser diode pumped solid laser

1993-06-04

1994-05-24

Bovernick, Rodney B.

Coherent light generators

Particular pumping means

372 71, 372101, H01S 309

Patent

active

053156137

ABSTRACT:
A laser diode pumped solid laser comprises a solid laser medium, to which a rare earth metal has been added, a semiconductor laser, which produces a laser beam for pumping the solid laser medium, and a condensing lens, which causes the laser beam to converge in the solid laser medium. The condensing lens is located such that an optical axis of the condensing lens may deviate in the width direction of a semiconductor laser active layer from a center of irradiation area of the semiconductor laser. The amount of light returning to the semiconductor laser is thereby reduced markedly, and good stability in the output power of the laser diode pumped solid laser is obtained. A nonlinear optical material for converting the wavelength of a laser beam, which has been produced by the solid laser medium, into a different wavelength may be located in a solid laser resonator.

REFERENCES:
patent: 4909596 (1990-03-01), Okazaki et al.
patent: 5124999 (1992-06-01), Okazaki et al.
patent: 5197072 (1993-05-01), Harada et al.

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