JPS56112632A - Integrated-function type optical sensor - Google Patents

Integrated-function type optical sensor

Info

Publication number
JPS56112632A
JPS56112632A JP1581580A JP1581580A JPS56112632A JP S56112632 A JPS56112632 A JP S56112632A JP 1581580 A JP1581580 A JP 1581580A JP 1581580 A JP1581580 A JP 1581580A JP S56112632 A JPS56112632 A JP S56112632A
Authority
JP
Japan
Prior art keywords
optical
intermediary
light
waveguide element
wave
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
JP1581580A
Other languages
Japanese (ja)
Other versions
JPS6252808B2 (en
Inventor
Akiya Goto
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP1581580A priority Critical patent/JPS56112632A/en
Publication of JPS56112632A publication Critical patent/JPS56112632A/en
Publication of JPS6252808B2 publication Critical patent/JPS6252808B2/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
    • G01D5/35383—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 multiple sensor devices using multiplexing techniques
    • G01D5/35387—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 multiple sensor devices using multiplexing techniques using wavelength division multiplexing
    • 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
    • G01D5/268—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 using optical fibres
    • 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
    • G01D5/35338—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 other arrangements than interferometer arrangements
    • G01D5/35341—Sensor working in transmission
    • G01D5/35345—Sensor working in transmission using Amplitude variations to detect the measured quantity

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Integrated Circuits (AREA)
  • Measuring Fluid Pressure (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

PURPOSE:To enable sensing from which an influence from the outside in optical fibers is removed through offsetting by additionally providing a reference waveguide element constituting an ideal optical waveguide in the optical sensor employed for an optical sensing system. CONSTITUTION:An light wave transmitting through an optical fiber 4 is inputted through the intermediary of a light connector 12, divided into wavelengths lambda1-lambda3 by a wave divider 14 and led to the reference waveguide element 16, a temperature- responsive optical waveguide element 17 and a pressure-responsive optical waveguide element 18 through the intermediary of optical materials 15a and 15b such as diffraction grating, etc. Each light wave led through the intermediary of these waveguide elements 16-18 is further led to a wave composer 19 through the intermediary of optical materials 15c and 15d and inputted in an optical fiber 5 through the intermediary of a connector 13. Out of three kinds of light waves, that of wavelength lambda1 is a light wave unchanging at all and those of wavelengths lambda2 and lambda3 are light waves subjected to changes by temperature and pressure respectively. Therefore, by taking the ratio of signals corresponding to lambda2 and lambda3 to that of lambda1, the influence from the outside undergoing in the optical fibers 4 and 5 can be offset each other.
JP1581580A 1980-02-12 1980-02-12 Integrated-function type optical sensor Granted JPS56112632A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1581580A JPS56112632A (en) 1980-02-12 1980-02-12 Integrated-function type optical sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1581580A JPS56112632A (en) 1980-02-12 1980-02-12 Integrated-function type optical sensor

Publications (2)

Publication Number Publication Date
JPS56112632A true JPS56112632A (en) 1981-09-05
JPS6252808B2 JPS6252808B2 (en) 1987-11-06

Family

ID=11899337

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1581580A Granted JPS56112632A (en) 1980-02-12 1980-02-12 Integrated-function type optical sensor

Country Status (1)

Country Link
JP (1) JPS56112632A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0193193A2 (en) * 1985-02-27 1986-09-03 Omron Tateisi Electronics Co. Waveguide-type optical sensor
JP2008180650A (en) * 2007-01-25 2008-08-07 Sumitomo Electric Ind Ltd Light source unit and spectrum analyzer
JP2013188806A (en) * 2012-03-12 2013-09-26 Disco Corp Cutting device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0193193A2 (en) * 1985-02-27 1986-09-03 Omron Tateisi Electronics Co. Waveguide-type optical sensor
JP2008180650A (en) * 2007-01-25 2008-08-07 Sumitomo Electric Ind Ltd Light source unit and spectrum analyzer
JP2013188806A (en) * 2012-03-12 2013-09-26 Disco Corp Cutting device

Also Published As

Publication number Publication date
JPS6252808B2 (en) 1987-11-06

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