JP5917012B2 - レーザー装置および光音響装置 - Google Patents

レーザー装置および光音響装置 Download PDF

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Publication number
JP5917012B2
JP5917012B2 JP2011087696A JP2011087696A JP5917012B2 JP 5917012 B2 JP5917012 B2 JP 5917012B2 JP 2011087696 A JP2011087696 A JP 2011087696A JP 2011087696 A JP2011087696 A JP 2011087696A JP 5917012 B2 JP5917012 B2 JP 5917012B2
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JP
Japan
Prior art keywords
laser
light
laser medium
output
state
Prior art date
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Expired - Fee Related
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JP2011087696A
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English (en)
Japanese (ja)
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JP2012222207A5 (enExample
JP2012222207A (ja
Inventor
滋 市原
滋 市原
小林　秀一
秀一 小林
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP2011087696A priority Critical patent/JP5917012B2/ja
Priority to US14/009,561 priority patent/US9293886B2/en
Priority to PCT/JP2012/002463 priority patent/WO2012140864A1/en
Publication of JP2012222207A publication Critical patent/JP2012222207A/ja
Publication of JP2012222207A5 publication Critical patent/JP2012222207A5/ja
Application granted granted Critical
Publication of JP5917012B2 publication Critical patent/JP5917012B2/ja
Expired - Fee Related legal-status Critical Current
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    • 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
    • H01S3/105—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the mutual position or the reflecting properties of the reflectors of the cavity, e.g. by controlling the cavity length
    • 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
    • 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
    • H01S3/08059—Constructional details of the reflector, e.g. shape
    • H01S3/08063—Graded reflectivity, e.g. variable reflectivity mirror
    • 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
    • H01S3/08059—Constructional details of the reflector, e.g. shape
    • H01S3/08068—Holes; Stepped surface; Special cross-section
    • 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
    • H01S3/08072—Thermal lensing or thermally induced birefringence; Compensation thereof
    • 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
    • H01S3/1625—Solid materials characterised by an active (lasing) ion transition metal titanium
    • 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
    • H01S3/163—Solid materials characterised by a crystal matrix
    • H01S3/1631—Solid materials characterised by a crystal matrix aluminate
    • H01S3/1636—Al2O3 (Sapphire)

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Biomedical Technology (AREA)
  • Surgery (AREA)
  • Optics & Photonics (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Plasma & Fusion (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Acoustics & Sound (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Lasers (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
JP2011087696A 2011-04-11 2011-04-11 レーザー装置および光音響装置 Expired - Fee Related JP5917012B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2011087696A JP5917012B2 (ja) 2011-04-11 2011-04-11 レーザー装置および光音響装置
US14/009,561 US9293886B2 (en) 2011-04-11 2012-04-09 Laser apparatus and photoacoustic apparatus
PCT/JP2012/002463 WO2012140864A1 (en) 2011-04-11 2012-04-09 Laser apparatus and photoacoustic apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011087696A JP5917012B2 (ja) 2011-04-11 2011-04-11 レーザー装置および光音響装置

Publications (3)

Publication Number Publication Date
JP2012222207A JP2012222207A (ja) 2012-11-12
JP2012222207A5 JP2012222207A5 (enExample) 2014-05-29
JP5917012B2 true JP5917012B2 (ja) 2016-05-11

Family

ID=46052842

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2011087696A Expired - Fee Related JP5917012B2 (ja) 2011-04-11 2011-04-11 レーザー装置および光音響装置

Country Status (3)

Country Link
US (1) US9293886B2 (enExample)
JP (1) JP5917012B2 (enExample)
WO (1) WO2012140864A1 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013214722A (ja) * 2012-03-09 2013-10-17 Fujifilm Corp レーザ装置及び光音響計測装置
JP2014072506A (ja) 2012-10-02 2014-04-21 Canon Inc レーザー装置および光音響装置
JP2014086531A (ja) * 2012-10-23 2014-05-12 Canon Inc レーザー装置およびその制御方法
JP6223015B2 (ja) * 2013-06-26 2017-11-01 キヤノン株式会社 被検体情報取得装置およびレーザ装置
JP6207257B2 (ja) * 2013-06-26 2017-10-04 キヤノン株式会社 被検体情報取得およびレーザ装置
JP6207289B2 (ja) 2013-08-06 2017-10-04 キヤノン株式会社 被検体情報取得装置、レーザー装置および医療装置
JP6400153B2 (ja) * 2017-07-04 2018-10-03 キヤノン株式会社 レーザー装置および光音響装置
WO2021020475A1 (ja) 2019-07-31 2021-02-04 国立研究開発法人理化学研究所 レーザ装置およびその製造方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0311778A (ja) * 1989-06-09 1991-01-21 Matsushita Electric Ind Co Ltd 半導体レーザ励起固体レーザ装置
US5249192A (en) * 1991-06-27 1993-09-28 Laserscope Multiple frequency medical laser
JPH09162479A (ja) 1995-12-05 1997-06-20 Sony Corp 遠紫外レーザ装置とその制御方法
US5840023A (en) * 1996-01-31 1998-11-24 Oraevsky; Alexander A. Optoacoustic imaging for medical diagnosis
JPH09289347A (ja) * 1996-04-23 1997-11-04 Mitsubishi Electric Corp レーザ装置
JP3968868B2 (ja) * 1998-04-27 2007-08-29 株式会社島津製作所 固体レーザ装置
JP2002094156A (ja) * 2000-09-13 2002-03-29 Toshiba Corp レーザ光源装置およびそれを用いた時分割表示装置
DE10065529A1 (de) 2000-12-28 2002-07-04 Bosch Gmbh Robert Laserstrahlquelle
JP4271247B2 (ja) 2007-04-10 2009-06-03 ファナック株式会社 レーザ装置
JP5178187B2 (ja) 2007-12-28 2013-04-10 キヤノン株式会社 原子磁気センサ、及び磁気センシング方法
JP5264242B2 (ja) 2008-03-26 2013-08-14 キヤノン株式会社 原子磁力計及び磁力計測方法
JP5294998B2 (ja) 2008-06-18 2013-09-18 キヤノン株式会社 超音波探触子、該超音波探触子を備えた光音響・超音波システム並びに検体イメージング装置
JP5697361B2 (ja) 2010-04-26 2015-04-08 キヤノン株式会社 光音響波測定装置
JP5995414B2 (ja) 2011-06-20 2016-09-21 キヤノン株式会社 レーザー装置
JP2013089680A (ja) 2011-10-14 2013-05-13 Canon Inc レーザー装置およびその制御方法
JP2014072506A (ja) 2012-10-02 2014-04-21 Canon Inc レーザー装置および光音響装置
JP2014086531A (ja) 2012-10-23 2014-05-12 Canon Inc レーザー装置およびその制御方法
JP6108774B2 (ja) 2012-11-08 2017-04-05 キヤノン株式会社 レーザ装置およびそれを用いた光音響装置

Also Published As

Publication number Publication date
US9293886B2 (en) 2016-03-22
US20140031667A1 (en) 2014-01-30
WO2012140864A1 (en) 2012-10-18
JP2012222207A (ja) 2012-11-12

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