WO2002061402A1 - Detecteur de gaz du type a diffraction spectrale a absorption laser, et procede de detection de gaz par diffraction spectrale a absorption laser - Google Patents

Detecteur de gaz du type a diffraction spectrale a absorption laser, et procede de detection de gaz par diffraction spectrale a absorption laser Download PDF

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Publication number
WO2002061402A1
WO2002061402A1 PCT/JP2002/000688 JP0200688W WO02061402A1 WO 2002061402 A1 WO2002061402 A1 WO 2002061402A1 JP 0200688 W JP0200688 W JP 0200688W WO 02061402 A1 WO02061402 A1 WO 02061402A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
absorption spectral
laser absorption
spectral diffraction
laser beam
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.)
Ceased
Application number
PCT/JP2002/000688
Other languages
English (en)
French (fr)
Inventor
Masaya Nanami
Takeshi Tsukamoto
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.)
Anritsu Corp
Original Assignee
Anritsu 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
Priority claimed from JP2001021941A external-priority patent/JP2002228582A/ja
Priority claimed from JP2001021942A external-priority patent/JP2002228578A/ja
Application filed by Anritsu Corp filed Critical Anritsu Corp
Priority to US10/239,960 priority Critical patent/US6876450B2/en
Priority to EP02710382A priority patent/EP1286154A4/en
Publication of WO2002061402A1 publication Critical patent/WO2002061402A1/ja
Anticipated expiration legal-status Critical
Ceased 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
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
    • 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
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/39—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers
    • G01N2021/396—Type of laser source

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
PCT/JP2002/000688 2001-01-30 2002-01-30 Detecteur de gaz du type a diffraction spectrale a absorption laser, et procede de detection de gaz par diffraction spectrale a absorption laser Ceased WO2002061402A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US10/239,960 US6876450B2 (en) 2001-01-30 2002-01-30 Laser absorption spectral diffraction type gas detector and method for gas detection using laser absorption spectral diffraction
EP02710382A EP1286154A4 (en) 2001-01-30 2002-01-30 GAS DETECTOR OF LASER ABSORPTION SPECTRUM BINDING TYPE AND METHOD FOR GAS DETECTION BY USING LASER ABSORPTION SPECTRUM BENDING

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2001-21941 2001-01-30
JP2001021941A JP2002228582A (ja) 2001-01-30 2001-01-30 ガス検出装置
JP2001-21942 2001-01-30
JP2001021942A JP2002228578A (ja) 2001-01-30 2001-01-30 ガス検出装置及び該装置の焦点合わせ方法

Publications (1)

Publication Number Publication Date
WO2002061402A1 true WO2002061402A1 (fr) 2002-08-08

Family

ID=26608539

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2002/000688 Ceased WO2002061402A1 (fr) 2001-01-30 2002-01-30 Detecteur de gaz du type a diffraction spectrale a absorption laser, et procede de detection de gaz par diffraction spectrale a absorption laser

Country Status (3)

Country Link
US (1) US6876450B2 (ja)
EP (1) EP1286154A4 (ja)
WO (1) WO2002061402A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104880434A (zh) * 2015-05-26 2015-09-02 上海禾赛光电科技有限公司 复杂环境中弱吸收气体的检测装置及方法

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* Cited by examiner, † Cited by third party
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US20080245960A1 (en) * 2007-04-09 2008-10-09 Baker Hughes Incorporated Method and Apparatus to Determine Characteristics of an Oil-Based Mud Downhole
US20100181472A1 (en) * 2007-04-09 2010-07-22 Baker Hughes Incorporated Method and Apparatus to Determine Characteristics of an Oil-Based Mud Downhole
US8487238B2 (en) * 2007-11-01 2013-07-16 Baker Hughes Incorporated Method of identification of petroleum compounds using frequency mixing on surfaces
DE102008022222B3 (de) * 2008-05-06 2009-04-30 Dräger Safety AG & Co. KGaA Gasmessanordnung mit einer offenen optischen Messstrecke
CN102027353B (zh) 2008-05-15 2012-11-28 株式会社岛津制作所 生物体图像摄像装置
US7943915B2 (en) * 2008-10-10 2011-05-17 Ge Infrastructure Sensing, Inc. Method of calibrating a wavelength-modulation spectroscopy apparatus
US7957001B2 (en) * 2008-10-10 2011-06-07 Ge Infrastructure Sensing, Inc. Wavelength-modulation spectroscopy method and apparatus
US20100228517A1 (en) * 2009-03-09 2010-09-09 Lasercraft, Inc. Lidar devices with reflective optics
DE102012004977B3 (de) 2012-03-14 2013-04-25 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Messen eines Zielgases
CN104662397B (zh) * 2013-07-31 2017-06-27 松下电器（美国）知识产权公司 传感器组件
CN104880416A (zh) * 2015-06-02 2015-09-02 成都虹华环保科技股份有限公司 一种有机废气处理系统用气体分析装置
CN105203499A (zh) * 2015-09-18 2015-12-30 国家电网公司 一种sf6气体成分在线实时监测的装置及方法
CN106198452B (zh) * 2016-08-09 2023-06-16 上海禾赛科技有限公司 基于光谱技术的气体分析装置及方法
CN111097718B (zh) * 2020-01-07 2025-02-28 华东交通大学 一种基于漫反射与漫透射的水果自动分选装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58198746A (ja) * 1982-05-13 1983-11-18 Fujitsu Ltd 分光分析方式
JPS6266142A (ja) * 1985-09-19 1987-03-25 Agency Of Ind Science & Technol 濁度測定方法
JPH01280272A (ja) * 1988-05-02 1989-11-10 Hitachi Ltd レーザレーダ

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4489239A (en) * 1982-09-24 1984-12-18 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Portable remote laser sensor for methane leak detection
JPH0315742A (ja) * 1989-03-23 1991-01-24 Anritsu Corp ガス検出装置
GB2274163B (en) * 1993-01-12 1996-11-20 Pollution Monitor Syst Ltd Gas analyser
JPH07103887A (ja) 1993-10-06 1995-04-21 Tokyo Gas Co Ltd ガス検知器
US5748325A (en) * 1995-09-11 1998-05-05 Tulip; John Gas detector for plural target zones
DE19611290C2 (de) * 1996-03-22 1998-04-16 Draegerwerk Ag Gassensor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58198746A (ja) * 1982-05-13 1983-11-18 Fujitsu Ltd 分光分析方式
JPS6266142A (ja) * 1985-09-19 1987-03-25 Agency Of Ind Science & Technol 濁度測定方法
JPH01280272A (ja) * 1988-05-02 1989-11-10 Hitachi Ltd レーザレーダ

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP1286154A4 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104880434A (zh) * 2015-05-26 2015-09-02 上海禾赛光电科技有限公司 复杂环境中弱吸收气体的检测装置及方法

Also Published As

Publication number Publication date
US20030076500A1 (en) 2003-04-24
EP1286154A4 (en) 2006-04-12
EP1286154A1 (en) 2003-02-26
US6876450B2 (en) 2005-04-05

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