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Title:
LASER LIGHT SOURCE AND IMAGE DISPLAY
Document Type and Number:
WIPO Patent Application WO/2007/066641
Kind Code:
A1
Abstract:
There has been a problem that pump light leaks from a portion having a coating at the joint of a double clad fiber added with a rare earth element and a general single mode fiber, and heat is generated partially from the fiber by that energy thus causing deterioration of the fiber. Deterioration of a fiber due to residual exciting light can be prevented by preventing residual exciting light in a double clad fiber from exiting to a single mode fiber, and the reliability is enhanced. Output of oscillation light can be increased because output of exciting light is not limited. Furthermore, a laser display having high color reproducibility can be achieved by employing a light source combining a fiber laser light source and a wavelength conversion module.

Inventors:
FURUYA HIROYUKI
MIZUUCHI KIMINORI
YAMAMOTO KAZUHISA
Application Number:
PCT/JP2006/324229
Publication Date:
June 14, 2007
Filing Date:
December 05, 2006
Export Citation:
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Assignee:
MATSUSHITA ELECTRIC IND CO LTD (JP)
FURUYA HIROYUKI
MIZUUCHI KIMINORI
YAMAMOTO KAZUHISA
International Classes:
H01S3/06; G02B6/02; G02B6/42; G03B21/00
Foreign References:
JP2005129863A2005-05-19
JPH11121836A1999-04-30
JP2005294570A2005-10-20
JP2003258341A2003-09-12
JP2001148527A2001-05-29
JP2003086868A2003-03-20
JP2004147201A2004-05-20
JP2003139962A2003-05-14
JPH08250790A1996-09-27
JP2003090918A2003-03-28
JPH11195827A1999-07-21
JP2005174982A2005-06-30
JP2000341213A2000-12-08
JP2005012008A2005-01-13
JP2005093817A2005-04-07
Attorney, Agent or Firm:
KOTANI, Etsuji et al. (2-2 Nakanoshima 2-chome, Kita-ku, Osaka-sh, Osaka 05, JP)
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