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Title:
MULTIWAVEFORM LIGHT SOURCE
Document Type and Number:
WIPO Patent Application WO/2007/100034
Kind Code:
A1
Abstract:
A light source unit comprising at least an excitation light source and a photocoupler, a light source medium consisting of one kind of a single fiber added with a rare earth element which is excited by the excitation light source and has two terminals, and an output end formed of an optical fiber. An optical component having at least one of reflection, branching or attenuation function is provided in anywhere of an optical circuit from the light source medium to the output end. The light source unit can output light beams of different wavelengths generated from the rare earth element ions added to the fiber and caused by different peaks of spontaneous emission light, and at least one light beam is a visible light beam.

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Inventors:
TESHIMA TAKUYA
KUBOTA YOSHINORI
Application Number:
PCT/JP2007/053891
Publication Date:
September 07, 2007
Filing Date:
March 01, 2007
Export Citation:
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Assignee:
CENTRAL GLASS CO LTD (JP)
TESHIMA TAKUYA
KUBOTA YOSHINORI
International Classes:
H01S3/06
Foreign References:
JP2000339735A2000-12-08
JP2001203412A2001-07-27
JP2005197677A2005-07-21
JP2005079600A2005-03-24
JP2005026475A2005-01-27
JPH10209501A1998-08-07
Other References:
BANEY D.M. ET AL.: "Simultaneous blue and green upconversion lasing in a laser-diode-pumped Pr3+/Yb3+ doped fluoride fiber laser", APPLIED PHYSICS LETTERS, vol. 69, no. 12, 16 September 1996 (1996-09-16), pages 1662 - 1664, XP000613310
MICHEL J. F. DIGONNET: "MARCELDEKKER, INC.", 1993, article "Rare-Earth-Doped Fiber Lasers and Amplifiers", pages: 171 - 242
D. M. BANEY; G. RANKIN; K. W. CHAN, APPL. PHYS. LETT., vol. 69, 1996, pages 1662 - 1664
Attorney, Agent or Firm:
HASHIMOTO, Takeshi et al. (Ekisaikai Bldg. 1-29, Akashi-cho, Chuo-k, Tokyo 44, JP)
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