Medical laser apparatus

Details Medical laser apparatus Medical laser apparatus

2006-09-27

2008-08-05

Rodriguez, Armando (Department: 2828)

Coherent light generators

Particular beam control device

Nonlinear device

C372S006000, C372S022000

Reexamination Certificate

active

07408963

ABSTRACT:
A medical laser apparatus suitable for medical treatment, which is capable of obtaining a plurality of visible laser beams each having a different wavelength, but which has an inexpensive structure.A medical laser apparatus capable of selectively irradiating a plurality of visible laser beams each having a different wavelength onto an affected part, comprises: a fiber laser source unit including an excitation light source, a plurality of fiber lasers for oscillating, by means of excitation light from the excitation light source, a plurality of infrared fundamental beams each having a different wavelength and a first optical switch having an input portion and a plurality of output portions for selectively switching a transmission path of the excitation light from the excitation light source to one of the fiber lasers, the fiber laser source unit being capable of selectively oscillating the fundamental beams; and a plurality of wavelength conversion elements for wavelength-converting the fundamental beams, from the fiber laser source unit, to a plurality of visible second harmonic beams.

REFERENCES:
patent: 5815518 (1998-09-01), Reed et al.
patent: 6061369 (2000-05-01), Conradi
patent: 7003001 (2006-02-01), Sharma et al.
patent: A 11-054853 (1999-02-01), None
patent: A 2003-527741 (2003-09-01), None
patent: A 2004-321507 (2004-11-01), None

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