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JPS54139778A - Photosensor - Google Patents

Photosensor

Info

Publication number
JPS54139778A
JPS54139778A JP4813778A JP4813778A JPS54139778A JP S54139778 A JPS54139778 A JP S54139778A JP 4813778 A JP4813778 A JP 4813778A JP 4813778 A JP4813778 A JP 4813778A JP S54139778 A JPS54139778 A JP S54139778A
Authority
JP
Japan
Prior art keywords
temperature
light
measuring object
optical fiber
detect
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.)
Pending
Application number
JP4813778A
Other languages
Japanese (ja)
Inventor
Munehiko Nagano
Akira Fujita
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP4813778A priority Critical patent/JPS54139778A/en
Publication of JPS54139778A publication Critical patent/JPS54139778A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/08—Optical arrangements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/08—Optical arrangements
    • G01J5/0803—Arrangements for time-dependent attenuation of radiation signals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/08—Optical arrangements
    • G01J5/0806—Focusing or collimating elements, e.g. lenses or concave mirrors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/08—Optical arrangements
    • G01J5/0818—Waveguides
    • G01J5/0821—Optical fibres
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/08—Optical arrangements
    • G01J5/0853—Optical arrangements having infrared absorbers other than the usual absorber layers deposited on infrared detectors like bolometers, wherein the heat propagation between the absorber and the detecting element occurs within a solid
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/08—Optical arrangements
    • G01J5/0879—Optical elements not provided otherwise, e.g. optical manifolds, holograms, cubic beamsplitters, non-dispersive prisms or particular coatings

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Radiation Pyrometers (AREA)
  • Photo Coupler, Interrupter, Optical-To-Optical Conversion Devices (AREA)

Abstract

PURPOSE:To detect the temperature of the measuring object with a simple apparatus by installing a material whose light transmissivity changes with temperature near the measuring object in a high temperature state and measuring the light transmissivity thereof. CONSTITUTION:Light having been intensity modulated to a fixed amplitude is radiated from a light emitting element 1 via condensing lens 4 and first optical fiber 3 to a material 6 which is installed near the measuring object 12 and has temperature dependency of light transmission characteristic like liquid crystal. The light having passed through the material 6 is led via second optical fiber 8, condensing lens 11 to a photo detector 10 to detect its light amplitude, whereby the temperature of the measuring object 1 is known. According to such method, temperature measurement is possible even in the case where the temperature of the measuring object is low and the temperature detection through spectral analysis of radiation light is infeasible.
JP4813778A 1978-04-21 1978-04-21 Photosensor Pending JPS54139778A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4813778A JPS54139778A (en) 1978-04-21 1978-04-21 Photosensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4813778A JPS54139778A (en) 1978-04-21 1978-04-21 Photosensor

Publications (1)

Publication Number Publication Date
JPS54139778A true JPS54139778A (en) 1979-10-30

Family

ID=12794941

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4813778A Pending JPS54139778A (en) 1978-04-21 1978-04-21 Photosensor

Country Status (1)

Country Link
JP (1) JPS54139778A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56115930A (en) * 1980-02-18 1981-09-11 Mitsubishi Electric Corp Temperature-detecting device
JPS62189630U (en) * 1986-05-23 1987-12-02

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56115930A (en) * 1980-02-18 1981-09-11 Mitsubishi Electric Corp Temperature-detecting device
JPS62189630U (en) * 1986-05-23 1987-12-02

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