OPTICAL FIBER FOR GUIDING LASER - SUMITOMO ELECTRIC INDUSTRIES

Title:

OPTICAL FIBER FOR GUIDING LASER

Document Type and Number:

WIPO Patent Application WO/1989/012239

Kind Code:

A1

Abstract:

An optical fiber for guiding laser is equipped with a second-order nonlinear optical element at one end thereof. The light of a long wavelength transmitted through the optical fiber is converted by the nonlinear optical element into a laser beam of a short wavelength. The diseased part can be irradiated wtih the beam of a short wavelength which is effective for the therapy.

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Inventors:

UEMIYA TAKAFUMI (JP)
NIWA SHIN-ICHIRO (JP)
YOTSUYA KORO (JP)
SOGAWA ICHIRO (JP)

Application Number:

PCT/JP1989/000573

Publication Date:

December 14, 1989

Filing Date:

June 06, 1989

Export Citation:

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Assignee:

SUMITOMO ELECTRIC INDUSTRIES (JP)

International Classes:

A61B18/20; A61B18/22; A61N5/06; G02B6/26; G02B6/02; G02F1/37; (IPC1-7): G02B6/02; G02B6/10; A61B17/36

Foreign References:

JPH05121838A	1993-05-18
JP6378106A

Other References: