JPS5334581A - Infrared absorption detector - Google Patents

Infrared absorption detector

Info

Publication number
JPS5334581A
JPS5334581A JP10883476A JP10883476A JPS5334581A JP S5334581 A JPS5334581 A JP S5334581A JP 10883476 A JP10883476 A JP 10883476A JP 10883476 A JP10883476 A JP 10883476A JP S5334581 A JPS5334581 A JP S5334581A
Authority
JP
Japan
Prior art keywords
infrared absorption
absorption detector
photoacoustic
modurated
incidence
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
JP10883476A
Other languages
Japanese (ja)
Other versions
JPS5945088B2 (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 JP51108834A priority Critical patent/JPS5945088B2/en
Publication of JPS5334581A publication Critical patent/JPS5334581A/en
Publication of JPS5945088B2 publication Critical patent/JPS5945088B2/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/1702—Systems in which incident light is modified in accordance with the properties of the material investigated with opto-acoustic detection, e.g. for gases or analysing solids

Abstract

PURPOSE:To analyze the gas constituent by a photoacoustic resonance due to the incidence of the infrared laser beam, whose amplitude is modurated by the resonance frequency, into the photoacoustic resonator.
JP51108834A 1976-09-13 1976-09-13 Infrared absorption detection device Expired JPS5945088B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP51108834A JPS5945088B2 (en) 1976-09-13 1976-09-13 Infrared absorption detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51108834A JPS5945088B2 (en) 1976-09-13 1976-09-13 Infrared absorption detection device

Publications (2)

Publication Number Publication Date
JPS5334581A true JPS5334581A (en) 1978-03-31
JPS5945088B2 JPS5945088B2 (en) 1984-11-02

Family

ID=14494724

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51108834A Expired JPS5945088B2 (en) 1976-09-13 1976-09-13 Infrared absorption detection device

Country Status (1)

Country Link
JP (1) JPS5945088B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59145957A (en) * 1983-01-08 1984-08-21 Horiba Ltd Opto-acoustic type concentration measuring device
JPS6344149A (en) * 1986-08-11 1988-02-25 Hitachi Ltd Method and apparatus for detecting particulate material
US4818882A (en) * 1986-05-27 1989-04-04 Aktieselskabet Bruel & Kjaer Photoacoustic gas analyzer

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61164684U (en) * 1985-03-30 1986-10-13
EP1906169A1 (en) * 2006-09-27 2008-04-02 IR Microsystems S.A. Gas detection method and gas detection device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59145957A (en) * 1983-01-08 1984-08-21 Horiba Ltd Opto-acoustic type concentration measuring device
JPH0441297B2 (en) * 1983-01-08 1992-07-07 Horiba Ltd
US4818882A (en) * 1986-05-27 1989-04-04 Aktieselskabet Bruel & Kjaer Photoacoustic gas analyzer
JPS6344149A (en) * 1986-08-11 1988-02-25 Hitachi Ltd Method and apparatus for detecting particulate material

Also Published As

Publication number Publication date
JPS5945088B2 (en) 1984-11-02

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