Laser beam generating apparatus

Details Laser beam generating apparatus Laser beam generating apparatus

2006-09-19

2006-09-19

Lee, Wilson (Department: 2821)

Coherent light generators

Particular beam control device

Nonlinear device

Reexamination Certificate

active

07110426

ABSTRACT:
A laser beam generating apparatus is configured such that a laser beam having a first wavelength obtained by a semiconductor laser containing gallium nitride is led in an external resonator using a nonlinear optical crystal. By allowing the laser beam to pass through the nonlinear optical crystal, an ultraviolet beam having a shorter wavelength is outputted as a laser beam. The wavelength of the ultraviolet beam becomes shorter by keeping the temperature of the nonlinear optical crystal at a low temperature. With this configuration, a laser beam in an ultraviolet region can be efficiently generated with a small apparatus.

REFERENCES:
patent: 6403966 (2002-06-01), Oka
patent: 2003/0006382 (2003-01-01), Spath et al.
patent: 2001185795 (2001-07-01), None

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