MULTI-WAVELENGTH MEASURING SYSTEM HAVING TIME-DIVISION WAVELENGTH MULTIPLEX PULSE LIGHT SOURCE

Title:

MULTI-WAVELENGTH MEASURING SYSTEM HAVING TIME-DIVISION WAVELENGTH MULTIPLEX PULSE LIGHT SOURCE

Document Type and Number:

Japanese Patent JP3857284

Kind Code:

B

Abstract:

PROBLEM TO BE SOLVED: To provide a multi-wavelength measuring system having a time-division wavelength division multiplex pulse light source, which can change multiplexed super-short pulse light of various wavelengthes at a high speed over a wide band at a desired time-division period by installing an oscillator synchronous with output of a short pulse light source to the short pulse light source, a light intensity modulator , and an optical fiber, and by driving the light intensity modulator with the output of the oscillator.
SOLUTION: The muli-wavelength measuring system is equipped with the time-division wavelength multiplex pulse light source A, outputting a pulse light temporally changing the wavelength periodically, which includes the short pulse light source 1, the oscillator 5 synchronous with repeated frequencies of the output of the short pulse light source 1, the light intensity modulator 2 which is driven by the output of the oscillator 5 and changes the intensity of transmitted light, and an optical fiber 7 by which a soliton pulse of wavelength shifted linearly to the intensity of the incident pulse light from the light intensity modulator 2; a to-be-measured object 21 which introduces the short pulse light output from the pulse light source A; and a device which evaluates the to-be-measured object 21.

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Inventors:

Goto, Toshio
Nishizawa, Norihiko

Application Number:

JP2004000252755

Publication Date:

September 22, 2006

Filing Date:

August 31, 2004

Export Citation:

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Assignee:

JAPAN SCIENCE & TECHNOLOGY AGENCY

International Classes:

G01N21/01; H01S3/00; G02F1/01; H01S3/10; H04B10/00; H04B10/22; H04J14/00; H04J14/02; H04J14/08; G01N21/01; H01S3/00; G02F1/01; H01S3/10; H04B10/00; H04B10/22; H04J14/00; H04J14/02; H04J14/08; (IPC1-7): H01S3/00; G01N21/01; G02F1/01; H01S3/10; H04B10/00; H04B10/22; H04J14/00; H04J14/02; H04J14/08

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