JPWO2017212561A1 - レーザ光源装置 - Google Patents
レーザ光源装置 Download PDFInfo
- Publication number
- JPWO2017212561A1 JPWO2017212561A1 JP2018522214A JP2018522214A JPWO2017212561A1 JP WO2017212561 A1 JPWO2017212561 A1 JP WO2017212561A1 JP 2018522214 A JP2018522214 A JP 2018522214A JP 2018522214 A JP2018522214 A JP 2018522214A JP WO2017212561 A1 JPWO2017212561 A1 JP WO2017212561A1
- Authority
- JP
- Japan
- Prior art keywords
- wavelength
- heat
- laser light
- semiconductor laser
- unit
- 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.)
- Granted
Links
Images
Classifications
-
- 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
- H01S5/00—Semiconductor lasers
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/068—Stabilisation of laser output parameters
- H01S5/0683—Stabilisation of laser output parameters by monitoring the optical output parameters
- H01S5/0687—Stabilising the frequency of the laser
-
- 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
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/024—Arrangements for thermal management
-
- 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
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/024—Arrangements for thermal management
- H01S5/02407—Active cooling, e.g. the laser temperature is controlled by a thermo-electric cooler or water cooling
- H01S5/02415—Active cooling, e.g. the laser temperature is controlled by a thermo-electric cooler or water cooling by using a thermo-electric cooler [TEC], e.g. Peltier element
-
- 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
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/024—Arrangements for thermal management
- H01S5/02461—Structure or details of the laser chip to manipulate the heat flow, e.g. passive layers in the chip with a low heat conductivity
-
- 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
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/024—Arrangements for thermal management
- H01S5/02476—Heat spreaders, i.e. improving heat flow between laser chip and heat dissipating elements
-
- 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
- H01S5/00—Semiconductor lasers
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/0607—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying physical parameters other than the potential of the electrodes, e.g. by an electric or magnetic field, mechanical deformation, pressure, light, temperature
-
- 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
- H01S5/00—Semiconductor lasers
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/0607—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying physical parameters other than the potential of the electrodes, e.g. by an electric or magnetic field, mechanical deformation, pressure, light, temperature
- H01S5/0612—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying physical parameters other than the potential of the electrodes, e.g. by an electric or magnetic field, mechanical deformation, pressure, light, temperature controlled by temperature
-
- 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
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/024—Arrangements for thermal management
- H01S5/02407—Active cooling, e.g. the laser temperature is controlled by a thermo-electric cooler or water cooling
-
- 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
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/024—Arrangements for thermal management
- H01S5/02407—Active cooling, e.g. the laser temperature is controlled by a thermo-electric cooler or water cooling
- H01S5/02423—Liquid cooling, e.g. a liquid cools a mount of the laser
-
- 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
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/024—Arrangements for thermal management
- H01S5/02469—Passive cooling, e.g. where heat is removed by the housing as a whole or by a heat pipe without any active cooling element like a TEC
-
- 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
- H01S5/00—Semiconductor lasers
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/0617—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium using memorised or pre-programmed laser characteristics
-
- 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
- H01S5/00—Semiconductor lasers
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/068—Stabilisation of laser output parameters
- H01S5/06804—Stabilisation of laser output parameters by monitoring an external parameter, e.g. temperature
Abstract
Description
図1は、本実施の形態におけるレーザ光源装置100の構成を示す図である。レーザ光源装置100は、レーザ光を出射する半導体レーザ素子1と、半導体レーザ素子1の一面1a側に設けられ半導体レーザ素子1から発生する熱を放熱する放熱部2とを備える。放熱部2は、例えばヒートシンクである。また、放熱部2は、例えば、空冷ファン、水冷機構等の冷却装置(図示せず)を含んでも良い。本実施の形態のレーザ光源装置100は、放熱部2に冷却装置を含む。
本実施の形態のレーザ光源装置100は、波長測定装置4が測定したレーザ光9の測定波長に基づき、熱伝導特性制御装置13が熱伝導部3の熱伝導特性を変化させて、レーザ光の波長を所定の波長範囲内に制御する。その熱伝導特性制御装置13が変化させる熱伝導部3の熱伝導特性は、半導体レーザ素子1の一面1aと熱伝導部3との界面における熱抵抗、または、熱伝導部3と放熱部2との界面における熱抵抗である。
図6および図7は、レーザ光源装置100の熱伝導特性制御による波長制御方法を示すフローチャートである。図2のブロック図と、図6および図7のフローチャートとに従い、レーザ光源装置100の波長制御方法を説明する。
以上をまとめると、本実施の形態におけるレーザ光源装置100は、レーザ光9を出射する半導体レーザ素子1と、半導体レーザ素子1の一面1a側に設けられる放熱部2と、熱伝導特性を有し、半導体レーザ素子1の一面1aと放熱部2とに接触して設けられ、半導体レーザ素子1にて発生する熱を放熱部2に伝える熱伝導部3と、レーザ光9の波長を測定する波長測定装置4と、波長測定装置4によって測定されるレーザ光9の波長に基づき、熱伝導部3の熱伝導特性を変化させて、レーザ光9の波長を所定の波長範囲内に制御する熱伝導特性制御装置13とを備える。以上のような構成により、レーザ光源装置100は、安定して動作でき、ユーザーが所望する波長のレーザ光を安定して出射できる。また、レーザ光源装置100は、従来のレーザ光源装置よりも消費電力を低く抑えることができる。また、レーザ光源装置100は、温度に基づいた波長制御ではなく、実際に出射されるレーザ光9の波長に基づいた波長制御を行うため、温度測定不良による半導体レーザ素子1の温度制御異常さらには波長制御異常の発生頻度を低減できる。
Claims (5)
- レーザ光(9)を出射する半導体レーザ素子(1)と、
前記半導体レーザ素子(1)の一面(1a)側に設けられる放熱部(2)と、
熱伝導特性を有し、前記半導体レーザ素子(1)の前記一面(1a)と前記放熱部(2)とに接触して設けられ、前記半導体レーザ素子(1)にて発生する熱を前記放熱部(2)に伝える熱伝導部(3)と、
前記レーザ光(9)の波長を測定する波長測定部(4)と、
前記波長測定部(4)によって測定される前記レーザ光(9)の波長に基づき、前記熱伝導部(3)の前記熱伝導特性を変化させて、前記レーザ光(9)の波長を所定の波長範囲内に制御する熱伝導特性制御部(13)とを備えることを特徴とするレーザ光源装置。 - 前記熱伝導部(3)は、前記半導体レーザ素子(1)と前記放熱部(2)とに挟持されて設けられ、
前記熱伝導特性制御部(13)は、
前記半導体レーザ素子(1)と前記放熱部(2)とによる挟持方向の応力を前記熱伝導部(3)に付与する応力付与部(5)と、
前記波長測定部(4)によって測定される前記レーザ光(9)の波長に基づき、前記応力付与部(5)が付与する前記応力を制御する応力制御部(12)とを含み、
前記熱伝導特性制御部(13)が変化させる前記熱伝導部(3)の前記熱伝導特性は、前記半導体レーザ素子(1)の前記一面(1a)と前記熱伝導部(3)との界面における熱抵抗、または、前記熱伝導部(3)と前記放熱部(2)との界面における熱抵抗である請求項1に記載のレーザ光源装置。 - 前記応力付与部(5)は、前記一面(1a)と対向する前記半導体レーザ素子(1)の他面(1b)側に設けられ、前記他面(1b)側から前記半導体レーザ素子(1)を、前記熱伝導部(3)を介して前記放熱部(2)に押し付けて前記応力を付与する請求項2に記載のレーザ光源装置。
- 前記熱伝導部(3)は、炭素繊維を含む請求項1から請求項3のいずれか一項に記載のレーザ光源装置。
- 前記熱伝導部(3)は、前記応力によって弾性変形する弾性体である請求項1から請求項4のいずれか一項に記載のレーザ光源装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2016/067017 WO2017212561A1 (ja) | 2016-06-08 | 2016-06-08 | レーザ光源装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2017212561A1 true JPWO2017212561A1 (ja) | 2018-08-09 |
JP6602472B2 JP6602472B2 (ja) | 2019-11-06 |
Family
ID=60577766
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018522214A Expired - Fee Related JP6602472B2 (ja) | 2016-06-08 | 2016-06-08 | レーザ光源装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20190157838A1 (ja) |
EP (1) | EP3471222A4 (ja) |
JP (1) | JP6602472B2 (ja) |
CN (1) | CN109219909A (ja) |
CA (1) | CA3020254A1 (ja) |
WO (1) | WO2017212561A1 (ja) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002344056A (ja) * | 2001-05-21 | 2002-11-29 | Fujitsu Quantum Devices Ltd | 半導体レーザモジュール試験装置および半導体レーザモジュール試験方法 |
JP2003283044A (ja) * | 2002-03-25 | 2003-10-03 | Mitsubishi Electric Corp | 波長可変半導体レーザの波長制御装置、波長制御方法および波長可変半導体レーザ装置 |
JP2007194502A (ja) * | 2006-01-20 | 2007-08-02 | Sumitomo Electric Ind Ltd | 光通信モジュール |
JP2008028194A (ja) * | 2006-07-21 | 2008-02-07 | Sumitomo Electric Ind Ltd | 光伝送モジュール |
JP2008166577A (ja) * | 2006-12-28 | 2008-07-17 | Sumitomo Electric Ind Ltd | 波長モニタ付レーザモジュール |
JP2009289842A (ja) * | 2008-05-28 | 2009-12-10 | Fujitsu Ltd | 光デバイス |
US20100309940A1 (en) * | 2009-06-04 | 2010-12-09 | Hsing-Chung Lee | High power laser package with vapor chamber |
JP2016066671A (ja) * | 2014-09-24 | 2016-04-28 | 三菱電機株式会社 | 波長可変光源および温度制御初期値の決定方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6516010B1 (en) * | 1999-07-13 | 2003-02-04 | Agere Systems, Inc. | Method and apparatus for active numeric temperature compensation of an etalon in a wavelength stabilized laser |
JP2001168442A (ja) * | 1999-12-07 | 2001-06-22 | Sony Corp | 半導体レーザ素子の製造方法、配設基板および支持基板 |
US20030063887A1 (en) * | 2001-10-03 | 2003-04-03 | Lowell Seal | Packaging structure for optical components |
GB2406212B (en) * | 2003-09-16 | 2008-04-23 | Agilent Technologies Inc | Optoelectronic component with thermoelectric temperature control |
US7251261B2 (en) * | 2004-05-14 | 2007-07-31 | C8 Medisensors Inc. | Temperature tuning the wavelength of a semiconductor laser using a variable thermal impedance |
KR101122858B1 (ko) * | 2004-05-14 | 2012-03-21 | 씨8 메디센서스, 인크. | 가변 열 임피던스를 사용한 반도체 레이저의 파장 온도튜닝 |
CA2718816C (en) * | 2008-03-18 | 2014-06-03 | Motoaki Tamaya | Laser light source module |
JP5414627B2 (ja) * | 2010-06-07 | 2014-02-12 | 株式会社東芝 | 半導体発光装置及びその製造方法 |
JP6319721B2 (ja) * | 2014-01-31 | 2018-05-09 | 住友電工デバイス・イノベーション株式会社 | 波長可変レーザの制御方法 |
-
2016
- 2016-06-08 CA CA3020254A patent/CA3020254A1/en not_active Abandoned
- 2016-06-08 CN CN201680086313.0A patent/CN109219909A/zh active Pending
- 2016-06-08 US US16/089,177 patent/US20190157838A1/en not_active Abandoned
- 2016-06-08 WO PCT/JP2016/067017 patent/WO2017212561A1/ja unknown
- 2016-06-08 JP JP2018522214A patent/JP6602472B2/ja not_active Expired - Fee Related
- 2016-06-08 EP EP16904596.0A patent/EP3471222A4/en not_active Withdrawn
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002344056A (ja) * | 2001-05-21 | 2002-11-29 | Fujitsu Quantum Devices Ltd | 半導体レーザモジュール試験装置および半導体レーザモジュール試験方法 |
JP2003283044A (ja) * | 2002-03-25 | 2003-10-03 | Mitsubishi Electric Corp | 波長可変半導体レーザの波長制御装置、波長制御方法および波長可変半導体レーザ装置 |
JP2007194502A (ja) * | 2006-01-20 | 2007-08-02 | Sumitomo Electric Ind Ltd | 光通信モジュール |
JP2008028194A (ja) * | 2006-07-21 | 2008-02-07 | Sumitomo Electric Ind Ltd | 光伝送モジュール |
JP2008166577A (ja) * | 2006-12-28 | 2008-07-17 | Sumitomo Electric Ind Ltd | 波長モニタ付レーザモジュール |
JP2009289842A (ja) * | 2008-05-28 | 2009-12-10 | Fujitsu Ltd | 光デバイス |
US20100309940A1 (en) * | 2009-06-04 | 2010-12-09 | Hsing-Chung Lee | High power laser package with vapor chamber |
JP2016066671A (ja) * | 2014-09-24 | 2016-04-28 | 三菱電機株式会社 | 波長可変光源および温度制御初期値の決定方法 |
Also Published As
Publication number | Publication date |
---|---|
EP3471222A1 (en) | 2019-04-17 |
CN109219909A (zh) | 2019-01-15 |
EP3471222A4 (en) | 2019-06-26 |
WO2017212561A1 (ja) | 2017-12-14 |
JP6602472B2 (ja) | 2019-11-06 |
US20190157838A1 (en) | 2019-05-23 |
CA3020254A1 (en) | 2017-12-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US9806491B2 (en) | Thermo-electric cooling system and method for cooling electronic devices | |
JP5744739B2 (ja) | パワー半導体デバイス適応式冷却アセンブリ | |
JP6221408B2 (ja) | 熱抵抗計測方法及び熱抵抗計測装置 | |
JP2015108826A (ja) | レーザーシステムの周期的ポールド・ニオブ酸リチウム結晶の動作条件を自動的に決定するための方法、システムおよび装置 | |
JP2012084824A (ja) | 電子部品の温度制御 | |
US7423876B2 (en) | System and method for heat dissipation in an information handling system | |
JP2007157770A (ja) | 電子部品用冷却装置、その温度制御方法及びその温度制御プログラム | |
KR20160146855A (ko) | 광 송신기 및 반도체 레이저 온도 제어 방법 | |
JP6602472B2 (ja) | レーザ光源装置 | |
JPWO2003083537A1 (ja) | 温度制御装置とアレイ導波路格子型光波長合分波器 | |
US20180033660A1 (en) | Thermal processing apparatus and thermal processing method | |
KR101337225B1 (ko) | 열전 소자를 이용한 방열 특성 성능 측정 장치 및 그 측정 방법 | |
JP7127548B2 (ja) | 距離測定装置及びそのsn比を改善する方法 | |
KR102060367B1 (ko) | 온도 제어 지그를 통한 카메라 모듈 해상력 검사 장치 | |
KR101596794B1 (ko) | 발열량 측정 장치 및 발열량 측정 방법 | |
JP2014143347A (ja) | 半導体レーザの駆動方法及び半導体レーザ装置 | |
KR101900329B1 (ko) | 고출력 엘이디의 광 특성 측정법 및 이의 측정장치 | |
Novak et al. | Analysis of the thermal management system for a pump laser | |
JP6635262B2 (ja) | レーザ光源装置 | |
JP2010212477A (ja) | 半導体素子モジュール | |
JP6115609B2 (ja) | レーザ光源装置 | |
JP6905818B2 (ja) | 温度制御ユニット、及びレーザ光源装置 | |
US20230057233A1 (en) | X-ray fluorescence analyzer | |
KR101753246B1 (ko) | 광 모듈 및 광 모듈의 동작온도 제어방법 | |
JP6802352B2 (ja) | 温度制御装置、温度制御方法、コンピュータプログラム及び記憶媒体 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20180420 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20190212 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20190405 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20190910 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20191008 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6602472 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
LAPS | Cancellation because of no payment of annual fees |