Wavelength converter and two-dimensional image display device

Details Wavelength converter and two-dimensional image display device Wavelength converter and two-dimensional image display device

2008-01-30

2009-12-01

Petkovsek, Daniel (Department: 2874)

Optical: systems and elements

Optical frequency converter

C372S006000

Reexamination Certificate

active

07626755

ABSTRACT:
A wavelength converter of the present invention is provided with a laser resonator including a fiber containing an laser-active material and a fiber grating formed in the fiber, a laser light source for emitting an excitation light to the fiber, and a wavelength conversion element for converting a fundamental wave of a laser beam emitted from the laser resonator into a harmonic, wherein the fiber is coiled and has the outer side thereof coated with a heat radiating member having a reflection surface for reflecting light having a wavelength of an excitation light. The wavelength converter is designed to prevent an efficiency reduction caused by the heat generation of a rare-earth doped fiber in a wavelength converter.

REFERENCES:
patent: 6259552 (2001-07-01), Boffi et al.
patent: 6347174 (2002-02-01), Onishi et al.
patent: 6459068 (2002-10-01), Yamaura et al.
patent: 6567600 (2003-05-01), Yoshida
patent: 2888157 (1999-02-01), None
patent: 2001-156363 (2001-06-01), None
patent: 2004-356421 (2004-12-01), None

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