Title:
OPTICAL MONITOR DEVICE AND LIGHT INTENSITY MEASUREMENT METHOD
Document Type and Number:
WIPO Patent Application WO/2024/079819
Kind Code:
A1
Abstract:
A optical monitor device (10) comprises: a bend-applying unit (11) that forms a bent portion (6) in each of a plurality of optical fibers (5); and a leak light measurement device (12) that separates leak light (8), which is of propagating light (7) and is from the bent portion (6), according to the wavelength and then receives the leak light (8), the propagating light (7) having a plurality of wavelengths and propagating in each of the optical fibers (5).
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Inventors:
KOYAMA RYO (JP)
ABE YOSHITERU (JP)
KATAYAMA KAZUNORI (JP)
ABE YOSHITERU (JP)
KATAYAMA KAZUNORI (JP)
Application Number:
PCT/JP2022/038079
Publication Date:
April 18, 2024
Filing Date:
October 12, 2022
Export Citation:
Assignee:
NIPPON TELEGRAPH & TELEPHONE (JP)
International Classes:
G01M11/00
Domestic Patent References:
| WO2013114524A1 | 2013-08-08 |
Foreign References:
| JP2017090837A | 2017-05-25 | |||
| JP2004109401A | 2004-04-08 | |||
| JP2006162509A | 2006-06-22 | |||
| JP2012127763A | 2012-07-05 | |||
| JP2528917B2 | 1996-08-28 | |||
| JP2009014546A | 2009-01-22 | |||
| JPH1151806A | 1999-02-26 |
Attorney, Agent or Firm:
MIYOSHI Hidekazu et al. (JP)
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