AT525495A3 - Ausgleichsdetektion mit ICAPS innerhalb einer optischen Kavität - Google Patents

Ausgleichsdetektion mit ICAPS innerhalb einer optischen Kavität Download PDF

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Publication number
AT525495A3
AT525495A3 ATA50732/2021A AT507322021A AT525495A3 AT 525495 A3 AT525495 A3 AT 525495A3 AT 507322021 A AT507322021 A AT 507322021A AT 525495 A3 AT525495 A3 AT 525495A3
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AT
Austria
Prior art keywords
laser beam
cavity
sample
probe laser
icaps
Prior art date
Application number
ATA50732/2021A
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English (en)
Other versions
AT525495A2 (de
AT525495B1 (de
Inventor
Paul Waclawek Mag Dipl -Ing Dr Johannes
Lendl Prof Dr Berhard
Original Assignee
Univ Wien Tech
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 Univ Wien Tech filed Critical Univ Wien Tech
Priority to ATA50732/2021A priority Critical patent/AT525495B1/de
Priority to PCT/EP2022/075823 priority patent/WO2023041731A1/en
Priority to US18/692,558 priority patent/US20250130161A1/en
Priority to EP22790476.0A priority patent/EP4402458A1/de
Publication of AT525495A2 publication Critical patent/AT525495A2/de
Publication of AT525495A3 publication Critical patent/AT525495A3/de
Application granted granted Critical
Publication of AT525495B1 publication Critical patent/AT525495B1/de

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    • 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
    • G01N21/171—Systems in which incident light is modified in accordance with the properties of the material investigated with calorimetric detection, e.g. with thermal lens detection
    • 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
    • G01N21/1717—Systems in which incident light is modified in accordance with the properties of the material investigated with a modulation of one or more physical properties of the sample during the optical investigation, e.g. electro-reflectance
    • 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
    • G01N21/171—Systems in which incident light is modified in accordance with the properties of the material investigated with calorimetric detection, e.g. with thermal lens detection
    • G01N2021/1714—Photothermal radiometry with measurement of emission
    • 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
    • G01N21/1717—Systems in which incident light is modified in accordance with the properties of the material investigated with a modulation of one or more physical properties of the sample during the optical investigation, e.g. electro-reflectance
    • G01N2021/1731—Temperature modulation
    • 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
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator

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  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Optics & Photonics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)

Abstract

Verfahren zum Detektieren eines Moleküls, insbesondere einer Spurengasspezies, in einer Probe unter Verwendung photothermischer Spektroskopie, umfassend die Schritte: - Bereitstellen eines Sondenlaserstrahls (7) und Ausbreiten des Sondenlaserstrahls (7) zu einer Kavität (5) eines Fabry- Perot-Interferometers (2); - Leiten des Sondenlaserstrahls (7) durch die Probe in der Kavität (5); - Bereitstellen eines Anregungslaserstrahls (10) zum Erwärmen der Probe in der Kavität (5); - Leiten des Anregungslaserstrahls (10) durch die Probe in der Kavität (5); - Detektieren des transmittierten Sondenlaserstrahls (11), der von der Kavität (5) transmittiert wurde; - Detektieren des reflektierten Sondenlaserstrahls (14), der von der Kavität (5) reflektiert wurde. Die Erfindung betrifft ferner eine entsprechende Vorrichtung (1).
ATA50732/2021A 2021-09-17 2021-09-17 Ausgleichsdetektion mit ICAPS innerhalb einer optischen Kavität AT525495B1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
ATA50732/2021A AT525495B1 (de) 2021-09-17 2021-09-17 Ausgleichsdetektion mit ICAPS innerhalb einer optischen Kavität
PCT/EP2022/075823 WO2023041731A1 (en) 2021-09-17 2022-09-16 Balanced-detection interferometric cavity-assisted photothermal spectroscopy within a single cavity
US18/692,558 US20250130161A1 (en) 2021-09-17 2022-09-16 Balanced-detection interferometric cavity-assisted photothermal spectroscopy within a single cavity
EP22790476.0A EP4402458A1 (de) 2021-09-17 2022-09-16 Durch interferometrischen hohlraum unterstützte photothermische spektroskopie mit ausgeglichener detektion in einem einzigen hohlraum

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ATA50732/2021A AT525495B1 (de) 2021-09-17 2021-09-17 Ausgleichsdetektion mit ICAPS innerhalb einer optischen Kavität

Publications (3)

Publication Number Publication Date
AT525495A2 AT525495A2 (de) 2023-04-15
AT525495A3 true AT525495A3 (de) 2023-09-15
AT525495B1 AT525495B1 (de) 2023-12-15

Family

ID=83898557

Family Applications (1)

Application Number Title Priority Date Filing Date
ATA50732/2021A AT525495B1 (de) 2021-09-17 2021-09-17 Ausgleichsdetektion mit ICAPS innerhalb einer optischen Kavität

Country Status (4)

Country Link
US (1) US20250130161A1 (de)
EP (1) EP4402458A1 (de)
AT (1) AT525495B1 (de)
WO (1) WO2023041731A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102024112684A1 (de) * 2024-05-06 2025-11-06 Endress+Hauser Group Services Ag Verfahren zur Bestimmung und/oder Überwachung einer Messgröße mittels photothermischer Spektroskopie und photothermisches Spektrometer
DE102024112681A1 (de) * 2024-05-06 2025-11-06 Endress+Hauser Group Services Ag Verfahren zur störungsrobusten photothermischen Spektroskopie und störungsrobustes photothermisches Spektrometer
CN120232842A (zh) * 2025-05-29 2025-07-01 中国长江电力股份有限公司 一种基于光波导的高灵敏度光学系统

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012031208A2 (en) * 2010-09-02 2012-03-08 University Of Delaware Ultra-sensitive chemical vapor detection using micro-cavity photothermal spectroscopy
CN103364371A (zh) * 2013-04-24 2013-10-23 中国科学院安徽光学精密机械研究所 同轴式光热干涉的大气气溶胶吸收系数差分测量新方法
CN104897613A (zh) * 2015-04-08 2015-09-09 中国科学院合肥物质科学研究院 利用赫里奥特池测量气溶胶吸收的光热干涉装置及方法
CN105987864A (zh) * 2016-02-24 2016-10-05 中国科学院合肥物质科学研究院 积分球内嵌光热干涉的气溶胶散射与吸收同步测量装置
CN110542839A (zh) * 2019-09-09 2019-12-06 重庆大学 用于sf6气体绝缘设备的全光学绝缘故障监测系统

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018009953A1 (en) 2016-07-13 2018-01-18 Technische Universität Wien Photothermal interferometry apparatus and method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012031208A2 (en) * 2010-09-02 2012-03-08 University Of Delaware Ultra-sensitive chemical vapor detection using micro-cavity photothermal spectroscopy
CN103364371A (zh) * 2013-04-24 2013-10-23 中国科学院安徽光学精密机械研究所 同轴式光热干涉的大气气溶胶吸收系数差分测量新方法
CN104897613A (zh) * 2015-04-08 2015-09-09 中国科学院合肥物质科学研究院 利用赫里奥特池测量气溶胶吸收的光热干涉装置及方法
CN105987864A (zh) * 2016-02-24 2016-10-05 中国科学院合肥物质科学研究院 积分球内嵌光热干涉的气溶胶散射与吸收同步测量装置
CN110542839A (zh) * 2019-09-09 2019-12-06 重庆大学 用于sf6气体绝缘设备的全光学绝缘故障监测系统

Also Published As

Publication number Publication date
AT525495A2 (de) 2023-04-15
WO2023041731A1 (en) 2023-03-23
EP4402458A1 (de) 2024-07-24
AT525495B1 (de) 2023-12-15
US20250130161A1 (en) 2025-04-24

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