JP2013214703A - レーザ装置及び光音響計測装置 - Google Patents

レーザ装置及び光音響計測装置 Download PDF

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Publication number
JP2013214703A
JP2013214703A JP2012206754A JP2012206754A JP2013214703A JP 2013214703 A JP2013214703 A JP 2013214703A JP 2012206754 A JP2012206754 A JP 2012206754A JP 2012206754 A JP2012206754 A JP 2012206754A JP 2013214703 A JP2013214703 A JP 2013214703A
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JP
Japan
Prior art keywords
wavelength
laser
light
pass filter
photoacoustic
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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
JP2012206754A
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English (en)
Japanese (ja)
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JP2013214703A5 (enExample
Inventor
Tadashi Kasamatsu
直史 笠松
Kazuhiro Hirota
和弘 広田
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.)
Fujifilm Corp
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Fujifilm 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 Fujifilm Corp filed Critical Fujifilm Corp
Priority to JP2012206754A priority Critical patent/JP2013214703A/ja
Priority to PCT/JP2013/053385 priority patent/WO2013132976A1/ja
Publication of JP2013214703A publication Critical patent/JP2013214703A/ja
Publication of JP2013214703A5 publication Critical patent/JP2013214703A5/ja
Priority to US14/337,761 priority patent/US20140336482A1/en
Pending legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/24—Probes
    • G01N29/2418—Probes using optoacoustic interaction with the material, e.g. laser radiation, photoacoustics
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0093—Detecting, measuring or recording by applying one single type of energy and measuring its conversion into another type of energy
    • A61B5/0095—Detecting, measuring or recording by applying one single type of energy and measuring its conversion into another type of energy by applying light and detecting acoustic waves, i.e. photoacoustic measurements
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue
    • A61B5/14546—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue for measuring analytes not otherwise provided for, e.g. ions, cytochromes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/106—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/11—Mode locking; Q-switching; Other giant-pulse techniques, e.g. cavity dumping
    • H01S3/1123—Q-switching
    • H01S3/117—Q-switching using intracavity acousto-optic devices
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue
    • A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
    • A61B5/14551—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue using optical sensors, e.g. spectral photometrical oximeters for measuring blood gases
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/0602—Crystal lasers or glass lasers
    • H01S3/061—Crystal lasers or glass lasers with elliptical or circular cross-section and elongated shape, e.g. rod
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/08—Construction or shape of optical resonators or components thereof
    • H01S3/08018—Mode suppression
    • H01S3/08022—Longitudinal modes
    • H01S3/08027—Longitudinal modes by a filter, e.g. a Fabry-Perot filter is used for wavelength setting
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/09—Processes or apparatus for excitation, e.g. pumping
    • H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
    • H01S3/0915—Processes or apparatus for excitation, e.g. pumping using optical pumping by incoherent light
    • H01S3/092—Processes or apparatus for excitation, e.g. pumping using optical pumping by incoherent light of flash lamp
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/11—Mode locking; Q-switching; Other giant-pulse techniques, e.g. cavity dumping
    • H01S3/1123—Q-switching
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
    • H01S3/16—Solid materials
    • H01S3/1601—Solid materials characterised by an active (lasing) ion
    • H01S3/162—Solid materials characterised by an active (lasing) ion transition metal
    • H01S3/1623—Solid materials characterised by an active (lasing) ion transition metal chromium, e.g. Alexandrite

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Surgery (AREA)
  • Molecular Biology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biophysics (AREA)
  • Biomedical Technology (AREA)
  • Plasma & Fusion (AREA)
  • Acoustics & Sound (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Immunology (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Lasers (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
JP2012206754A 2012-03-09 2012-09-20 レーザ装置及び光音響計測装置 Pending JP2013214703A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2012206754A JP2013214703A (ja) 2012-03-09 2012-09-20 レーザ装置及び光音響計測装置
PCT/JP2013/053385 WO2013132976A1 (ja) 2012-03-09 2013-02-13 レーザ装置及び光音響計測装置
US14/337,761 US20140336482A1 (en) 2012-03-09 2014-07-22 Laser device and photoacoustic measurement device

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2012052498 2012-03-09
JP2012052498 2012-03-09
JP2012206754A JP2013214703A (ja) 2012-03-09 2012-09-20 レーザ装置及び光音響計測装置

Publications (2)

Publication Number Publication Date
JP2013214703A true JP2013214703A (ja) 2013-10-17
JP2013214703A5 JP2013214703A5 (enExample) 2014-07-10

Family

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Family Applications (1)

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JP2012206754A Pending JP2013214703A (ja) 2012-03-09 2012-09-20 レーザ装置及び光音響計測装置

Country Status (3)

Country Link
US (1) US20140336482A1 (enExample)
JP (1) JP2013214703A (enExample)
WO (1) WO2013132976A1 (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015146306A1 (ja) * 2014-03-27 2015-10-01 富士フイルム株式会社 レーザ装置及びそれを備えた光音響計測装置
WO2015198570A1 (ja) * 2014-06-24 2015-12-30 富士フイルム株式会社 固体レーザ装置及び光音響計測装置
US12009626B2 (en) 2018-03-29 2024-06-11 Fujifilm Corporation Laser device, multi-wavelength laser device, and photoacoustic measurement apparatus

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6776115B2 (ja) * 2016-12-22 2020-10-28 キヤノン株式会社 処理装置および処理方法
CN111956234A (zh) * 2020-08-19 2020-11-20 英诺激光科技股份有限公司 基于光声技术的血氧饱和度精确测量方法及设备

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08213676A (ja) * 1994-11-16 1996-08-20 Oki Electric Ind Co Ltd 光ファイバ増幅器
JPH1065260A (ja) * 1996-08-23 1998-03-06 Mitsubishi Cable Ind Ltd 固体レーザ装置
JP2003204102A (ja) * 2002-01-09 2003-07-18 Nidek Co Ltd 眼科用レーザ装置
JP2010017426A (ja) * 2008-07-11 2010-01-28 Canon Inc 生体検査装置

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Publication number Priority date Publication date Assignee Title
US4416154A (en) * 1981-08-11 1983-11-22 Phillips Petroleum Company Method for measuring the surface area of a solid
DK160590C (da) * 1988-09-12 1991-09-16 Fls Airloq As Fremgangsmaade til detektering af en gasart ved hjaelp af fotoakustisk spektroskopi
US5581356A (en) * 1993-06-14 1996-12-03 Instruments Sa, Inc. High purity tunable forensic light source
US6008889A (en) * 1997-04-16 1999-12-28 Zeng; Haishan Spectrometer system for diagnosis of skin disease
US6424858B1 (en) * 1998-11-12 2002-07-23 John L. Williams Apparatus and method for viewing vasculature of a human being
EP1585440A1 (en) * 2003-01-13 2005-10-19 Glucon Inc. Photoacoustic assay method and apparatus
JP2005150304A (ja) * 2003-11-13 2005-06-09 Toshiba Corp 赤色レーザ装置
WO2011052061A1 (ja) * 2009-10-29 2011-05-05 キヤノン株式会社 光音響装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08213676A (ja) * 1994-11-16 1996-08-20 Oki Electric Ind Co Ltd 光ファイバ増幅器
JPH1065260A (ja) * 1996-08-23 1998-03-06 Mitsubishi Cable Ind Ltd 固体レーザ装置
JP2003204102A (ja) * 2002-01-09 2003-07-18 Nidek Co Ltd 眼科用レーザ装置
JP2010017426A (ja) * 2008-07-11 2010-01-28 Canon Inc 生体検査装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JPN6015044874; ＩＥＥＥ　ＰＨＯＴＯＮＩＣＳ　ＴＥＣＨＮＯＬＯＧＹ　ＬＥＴＴＥＲＳ ＶＯＬ．２２，ＮＯ．１０, 20100515, ７００-７０２ *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015146306A1 (ja) * 2014-03-27 2015-10-01 富士フイルム株式会社 レーザ装置及びそれを備えた光音響計測装置
JP2015191918A (ja) * 2014-03-27 2015-11-02 富士フイルム株式会社 レーザ装置及びそれを備えた光音響計測装置
US10243318B2 (en) 2014-03-27 2019-03-26 Fujifilm Corporation Laser device and photoacoustic measurement device comprising the same
WO2015198570A1 (ja) * 2014-06-24 2015-12-30 富士フイルム株式会社 固体レーザ装置及び光音響計測装置
US12009626B2 (en) 2018-03-29 2024-06-11 Fujifilm Corporation Laser device, multi-wavelength laser device, and photoacoustic measurement apparatus

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US20140336482A1 (en) 2014-11-13
WO2013132976A1 (ja) 2013-09-12

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