Optical apparatus, and wavelength conversion laser light...

Details Optical apparatus, and wavelength conversion laser light... Optical apparatus, and wavelength conversion laser light...

2009-06-30

2010-12-07

Sanghavi, Hemang (Department: 2874)

Optical: systems and elements

Optical frequency converter

C359S328000, C372S022000

Reexamination Certificate

active

07848010

ABSTRACT:
A wavelength conversion laser light source includes: a non-linear optical crystal of an oxygen octahedral structure, having added thereto a metal ion in other components than a main component; a light source for projecting light into the non-linear optical crystal in an operation mode; and a refractive index recovery mechanism for carrying out a recovery operation for recovering a refractive index of said non-linear optical crystal as shifted overtime due to light projected into the non-linear optical crystal in the operation mode with an applied external energy into the non-linear optical crystal in a non-operation mode in which light is not injected to the non-linear optical crystal.

REFERENCES:
patent: 2007/0153850 (2007-07-01), Scripsick et al.
patent: 2009/0027765 (2009-01-01), Kamijima
patent: 2009/0174929 (2009-07-01), Egawa
patent: 7-79046 (1995-03-01), None
patent: 7-244309 (1995-09-01), None
patent: 2000-305120 (2000-11-01), None
patent: 3412906 (2003-03-01), None
patent: 2004-157217 (2004-06-01), None

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