Title:
OPTICAL FIBER SENSOR
Document Type and Number:
Japanese Patent JP3789739
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To obtain the technological development which enables efficient detection of a fine deformation of various constructions such as concrete construction in particular.
SOLUTION: In the optical fiber sensor herein provided, an optical fiber fixing jig 40 in which a pair of jig bodies 41, each with a plurality of grip protrusions for securely gripping arranged along an optical fiber housing hole 50, is integrated to securely insert an optical fiber 2 housed in the optical fiber housing hole 50 is installed at a plurality of points of a construction and the optical fiber 2 is spread between the optical fiber fixing jigs 40. It is more desirable to apply a length-wise elongation distortion as initial distortion to the optical fiber 2 spread between the optical fiber fixing jigs 40.
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Inventors:
Masato Kurii
Kazuya Ogata
Yoshikazu Nomura
Shinichi Sugiura
Yoshimi Tatsu
Tetsuya Asano
Kazuya Ogata
Yoshikazu Nomura
Shinichi Sugiura
Yoshimi Tatsu
Tetsuya Asano
Application Number:
JP2000233688A
Publication Date:
June 28, 2006
Filing Date:
August 01, 2000
Export Citation:
Assignee:
Fujikura Ltd.
NTT InfraNet Co., Ltd.
NTT InfraNet Co., Ltd.
International Classes:
G01B11/16; G01M11/00; G01D21/00; G02B6/46; (IPC1-7): G01M11/00; G01B11/16; G02B6/46
Domestic Patent References:
| JP10090018A | ||||
| JP10062212A | ||||
| JP7198962A |
Attorney, Agent or Firm:
Masatake Shiga
Tadashi Takahashi
Takashi Watanabe
Masakazu Aoyama
Tadashi Takahashi
Takashi Watanabe
Masakazu Aoyama