Harmonic pulse laser apparatus, and method for generating...

Details Harmonic pulse laser apparatus, and method for generating... Harmonic pulse laser apparatus, and method for generating...

2005-01-24

2008-03-25

Rodriguez, Armando (Department: 2828)

Coherent light generators

Particular beam control device

Nonlinear device

C372S022000, C372S030000

Reexamination Certificate

active

07349451

ABSTRACT:
A KTP crystal is irradiated by a long-pulse fundamental wave pulse laser beam having a pulse width of 100 μs or longer typically output from a solid-state pulse laser such as a YAG pulse laser. In the KTP crystal, wavelength conversion is performed to generate a second harmonic pulse laser beam with a two times higher frequency, which long-pulse second harmonic pulse laser beam is in turn output for laser processing such as welding etc.

REFERENCES:
patent: 5142542 (1992-08-01), Dixon
patent: 2004/0131092 (2004-07-01), Nakayama et al.

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