JPS57168126A - Device for detecting physical change - Google Patents

Device for detecting physical change

Info

Publication number
JPS57168126A
JPS57168126A JP56043120A JP4312081A JPS57168126A JP S57168126 A JPS57168126 A JP S57168126A JP 56043120 A JP56043120 A JP 56043120A JP 4312081 A JP4312081 A JP 4312081A JP S57168126 A JPS57168126 A JP S57168126A
Authority
JP
Japan
Prior art keywords
length
optical fiber
resonant state
change
resonation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP56043120A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0345328B2 (enrdf_load_stackoverflow
Inventor
Toshihiko Yoshino
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Furukawa Electric Co Ltd
Original Assignee
Furukawa Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Furukawa Electric Co Ltd filed Critical Furukawa Electric Co Ltd
Priority to JP56043120A priority Critical patent/JPS57168126A/ja
Publication of JPS57168126A publication Critical patent/JPS57168126A/ja
Publication of JPH0345328B2 publication Critical patent/JPH0345328B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
    • G01D5/35303—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using a reference fibre, e.g. interferometric devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K5/00—Measuring temperature based on the expansion or contraction of a material
    • G01K5/48—Measuring temperature based on the expansion or contraction of a material the material being a solid
    • G01K5/50—Measuring temperature based on the expansion or contraction of a material the material being a solid arranged for free expansion or contraction
    • G01K5/52—Measuring temperature based on the expansion or contraction of a material the material being a solid arranged for free expansion or contraction with electrical conversion means for final indication

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)
JP56043120A 1981-03-26 1981-03-26 Device for detecting physical change Granted JPS57168126A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56043120A JPS57168126A (en) 1981-03-26 1981-03-26 Device for detecting physical change

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56043120A JPS57168126A (en) 1981-03-26 1981-03-26 Device for detecting physical change

Publications (2)

Publication Number Publication Date
JPS57168126A true JPS57168126A (en) 1982-10-16
JPH0345328B2 JPH0345328B2 (enrdf_load_stackoverflow) 1991-07-10

Family

ID=12654970

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56043120A Granted JPS57168126A (en) 1981-03-26 1981-03-26 Device for detecting physical change

Country Status (1)

Country Link
JP (1) JPS57168126A (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5983018A (ja) * 1982-11-04 1984-05-14 Furukawa Electric Co Ltd:The 光フアイバ振動測定方法
JPS5998329U (ja) * 1982-12-22 1984-07-03 古河電気工業株式会社 光フアイバ振動検出器
FR2612649A1 (fr) * 1987-03-16 1988-09-23 Comp Generale Electricite Procede de modification du coefficient de reflexion de l'extremite d'une fibre optique monomode et interferometre a fibre optique realise a l'aide de ce procede
US5208886A (en) * 1990-01-17 1993-05-04 At&T Bell Laboratories Methods of making an optical fiber filter
US5682447A (en) * 1994-09-22 1997-10-28 Washington State University Research Foundation Photomechanical positioning and stabilization method and devices using optical fibers and feedback

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4308868B2 (ja) * 2006-08-08 2009-08-05 株式会社渡辺製作所 ファイバセンシングシステム

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52104942A (en) * 1976-02-28 1977-09-02 Agency Of Ind Science & Technol Fiber, laser, plate device
JPS5599018A (en) * 1979-01-22 1980-07-28 Rockwell International Corp Optical sensor and making method thereof
JPS56112617A (en) * 1980-01-29 1981-09-05 Thomson Csf Interference microscope with tuning type optical resonator into which single mode optical fiber is incorporated and its application to light filtration and spectral diffraction
JPS56112627A (en) * 1980-02-11 1981-09-05 Toshiba Corp Detecting device for water leakage in rotary body

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52104942A (en) * 1976-02-28 1977-09-02 Agency Of Ind Science & Technol Fiber, laser, plate device
JPS5599018A (en) * 1979-01-22 1980-07-28 Rockwell International Corp Optical sensor and making method thereof
JPS56112617A (en) * 1980-01-29 1981-09-05 Thomson Csf Interference microscope with tuning type optical resonator into which single mode optical fiber is incorporated and its application to light filtration and spectral diffraction
JPS56112627A (en) * 1980-02-11 1981-09-05 Toshiba Corp Detecting device for water leakage in rotary body

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5983018A (ja) * 1982-11-04 1984-05-14 Furukawa Electric Co Ltd:The 光フアイバ振動測定方法
JPS5998329U (ja) * 1982-12-22 1984-07-03 古河電気工業株式会社 光フアイバ振動検出器
FR2612649A1 (fr) * 1987-03-16 1988-09-23 Comp Generale Electricite Procede de modification du coefficient de reflexion de l'extremite d'une fibre optique monomode et interferometre a fibre optique realise a l'aide de ce procede
US5208886A (en) * 1990-01-17 1993-05-04 At&T Bell Laboratories Methods of making an optical fiber filter
US5682447A (en) * 1994-09-22 1997-10-28 Washington State University Research Foundation Photomechanical positioning and stabilization method and devices using optical fibers and feedback

Also Published As

Publication number Publication date
JPH0345328B2 (enrdf_load_stackoverflow) 1991-07-10

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