CA2870177A1 - Spectrometre infrarouge haute resolution sans etalonnage - Google Patents

Spectrometre infrarouge haute resolution sans etalonnage Download PDF

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Publication number
CA2870177A1
CA2870177A1 CA2870177A CA2870177A CA2870177A1 CA 2870177 A1 CA2870177 A1 CA 2870177A1 CA 2870177 A CA2870177 A CA 2870177A CA 2870177 A CA2870177 A CA 2870177A CA 2870177 A1 CA2870177 A1 CA 2870177A1
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CA
Canada
Prior art keywords
recited
infrared spectrometer
gas
laser
wavelength
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.)
Abandoned
Application number
CA2870177A
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English (en)
Inventor
Li Li
Lingxi Chen
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CA2870177A priority Critical patent/CA2870177A1/fr
Publication of CA2870177A1 publication Critical patent/CA2870177A1/fr
Abandoned legal-status Critical Current

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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
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • G01J3/42—Absorption spectrometry; Double beam spectrometry; Flicker spectrometry; Reflection spectrometry
    • G01J3/433—Modulation spectrometry; Derivative spectrometry
    • 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
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/10—Arrangements of light sources specially adapted for spectrometry or colorimetry
    • 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
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • G01J3/42—Absorption spectrometry; Double beam spectrometry; Flicker spectrometry; Reflection spectrometry
    • 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
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • G01J3/42—Absorption spectrometry; Double beam spectrometry; Flicker spectrometry; Reflection spectrometry
    • G01J3/433—Modulation spectrometry; Derivative spectrometry
    • G01J3/4338—Frequency modulated spectrometry
    • 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
    • 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
    • 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
    • G01N2021/1704—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 in gases
    • 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
    • G01N2021/399—Diode laser
    • 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
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Optics & Photonics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
CA2870177A 2014-11-03 2014-11-03 Spectrometre infrarouge haute resolution sans etalonnage Abandoned CA2870177A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2870177A CA2870177A1 (fr) 2014-11-03 2014-11-03 Spectrometre infrarouge haute resolution sans etalonnage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA2870177A CA2870177A1 (fr) 2014-11-03 2014-11-03 Spectrometre infrarouge haute resolution sans etalonnage

Publications (1)

Publication Number Publication Date
CA2870177A1 true CA2870177A1 (fr) 2016-05-03

Family

ID=55867693

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2870177A Abandoned CA2870177A1 (fr) 2014-11-03 2014-11-03 Spectrometre infrarouge haute resolution sans etalonnage

Country Status (1)

Country Link
CA (1) CA2870177A1 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106770024A (zh) * 2017-01-19 2017-05-31 东南大学 基于免基线波长扫描直接吸收光谱的气体浓度测量方法
CN113252601A (zh) * 2021-05-13 2021-08-13 清华大学 基于波长调制光谱技术的多组分物质检测方法及装置
CN113447458A (zh) * 2021-05-18 2021-09-28 北京航空航天大学 一种基于激光吸收阻抗谱的气体温度与浓度参数测量方法
CN114371146A (zh) * 2022-01-18 2022-04-19 国家石油天然气管网集团有限公司 一种便携式中红外激光非合作目标气体遥测方法
CN115684077A (zh) * 2021-07-30 2023-02-03 山东大学 基于一次谐波对数处理的气体浓度检测方法
CN117092064A (zh) * 2023-06-28 2023-11-21 中南大学 基于对数法的免校准谐波信号解调方法
CN118914119A (zh) * 2024-07-29 2024-11-08 北京明尼特环保设备有限公司 基于傅里叶红外气体遥测的流动监测效率反馈系统及方法
CN119738380A (zh) * 2024-11-11 2025-04-01 北京光感慧智科技有限公司 一种基于激光器非线性输出的激光气体测量方法和产品
CN119834042A (zh) * 2025-03-14 2025-04-15 中国科学院合肥物质科学研究院 基于外部切光时分复用的多波长波长调制方法及系统

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106770024A (zh) * 2017-01-19 2017-05-31 东南大学 基于免基线波长扫描直接吸收光谱的气体浓度测量方法
CN113252601A (zh) * 2021-05-13 2021-08-13 清华大学 基于波长调制光谱技术的多组分物质检测方法及装置
CN113447458A (zh) * 2021-05-18 2021-09-28 北京航空航天大学 一种基于激光吸收阻抗谱的气体温度与浓度参数测量方法
CN113447458B (zh) * 2021-05-18 2022-08-19 北京航空航天大学 一种基于激光吸收阻抗谱的气体温度与浓度参数测量方法
CN115684077A (zh) * 2021-07-30 2023-02-03 山东大学 基于一次谐波对数处理的气体浓度检测方法
CN114371146A (zh) * 2022-01-18 2022-04-19 国家石油天然气管网集团有限公司 一种便携式中红外激光非合作目标气体遥测方法
CN117092064A (zh) * 2023-06-28 2023-11-21 中南大学 基于对数法的免校准谐波信号解调方法
CN117092064B (zh) * 2023-06-28 2025-01-21 中南大学 基于对数法的免校准谐波信号解调方法
CN118914119A (zh) * 2024-07-29 2024-11-08 北京明尼特环保设备有限公司 基于傅里叶红外气体遥测的流动监测效率反馈系统及方法
CN119738380A (zh) * 2024-11-11 2025-04-01 北京光感慧智科技有限公司 一种基于激光器非线性输出的激光气体测量方法和产品
CN119834042A (zh) * 2025-03-14 2025-04-15 中国科学院合肥物质科学研究院 基于外部切光时分复用的多波长波长调制方法及系统

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Date Code Title Description
FZDE Discontinued

Effective date: 20230503