SPECTROSCOPIC DEVICE AND SPECTROSCOPY METHOD, AND WAVELENGTH MONITORING DEVICE FOR OPTICAL WAVELENGTH MULTIPLEXED COMMUNICATION AND OPTICAL WAVELENGTH MULTIPLEXED COMMUNICATION DEVICE

Title:

SPECTROSCOPIC DEVICE AND SPECTROSCOPY METHOD, AND WAVELENGTH MONITORING DEVICE FOR OPTICAL WAVELENGTH MULTIPLEXED COMMUNICATION AND OPTICAL WAVELENGTH MULTIPLEXED COMMUNICATION DEVICE

Document Type and Number:

Japanese Patent JP2014157140

Kind Code:

A

Abstract:

PROBLEM TO BE SOLVED: To provide a spectroscopic device, a spectroscopy method, a monitoring device for an OWDM and an OWDM device that enable separation of a signal component and a noise component with accuracy higher than before, and enable spectral separation with accuracy higher than before.SOLUTION: A spectroscopic device SP according to the present invention comprises: a first extraction section that extracts a first wavelength component having intensity equal to or more than a first threshold value from a first intensity distribution obtained by performing first deconvolution to light reception data obtained by receiving each light of each wavelength having measured light spectrally separated; a second extraction section that extracts a second wavelength component having intensity equal to or more than a second threshold value from a second intensity distribution obtained by performing second deconvolution to enlarged light reception data having the light reception data corresponding to the first wavelength component removed and having the size of the light reception data enlarged at a predetermined magnification; and a synthesis section that synthesizes the first intensity distribution of the first wavelength component and the second intensity distribution of the second wavelength component by matching mutual measures, and thereby calculates a spectrum of the measured light.

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Inventors:

NAKAMURA TAKETO
SHIBATANI KAZUHIRO

Application Number:

JP2013029393A

Publication Date:

August 28, 2014

Filing Date:

February 18, 2013

Export Citation:

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Assignee:

KONICA MINOLTA INC

International Classes:

G01J3/26; G01J3/36; G01J9/02

Attorney, Agent or Firm:

Etsuji Kotani
Otari 昌崇
Satoshi Sakurai

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