KR100453493B1 - 고체레이저장치 - Google Patents
고체레이저장치 Download PDFInfo
- Publication number
- KR100453493B1 KR100453493B1 KR10-2002-7001041A KR20027001041A KR100453493B1 KR 100453493 B1 KR100453493 B1 KR 100453493B1 KR 20027001041 A KR20027001041 A KR 20027001041A KR 100453493 B1 KR100453493 B1 KR 100453493B1
- Authority
- KR
- South Korea
- Prior art keywords
- laser diode
- laser
- voltage
- abnormality
- diode
- Prior art date
Links
- 239000007787 solid Substances 0.000 claims abstract description 36
- 230000005856 abnormality Effects 0.000 claims abstract description 27
- 238000005259 measurement Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 abstract description 10
- 230000010355 oscillation Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 21
- 230000005284 excitation Effects 0.000 description 17
- 238000000034 method Methods 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 239000013307 optical fiber Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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
- H01S5/06808—Stabilisation of laser output parameters by monitoring the electrical laser parameters, e.g. voltage or current
-
- 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
- H01S3/102—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the active medium, e.g. by controlling the processes or apparatus for excitation
- H01S3/1022—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the active medium, e.g. by controlling the processes or apparatus for excitation by controlling the optical pumping
-
- 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
- H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
- H01S3/0941—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a laser diode
-
- 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
- H01S5/06825—Protecting the laser, e.g. during switch-on/off, detection of malfunctioning or degradation
-
- 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
- H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
- H01S5/4025—Array arrangements, e.g. constituted by discrete laser diodes or laser bar
- H01S5/4031—Edge-emitting structures
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Semiconductor Lasers (AREA)
- Lasers (AREA)
Abstract
Description
Claims (3)
- 고체레이저매질을 여가하는 레이저다이오드와, 그 레이저다이오드에 일정전류를 흘리는 정전류원과, 상기 레이저다이오드의 양단의 전압을 측정하는 전압측정수단과, 그 전압측정수단에서의 출력에 따라 상기 레이저다이오드의 이상을 검출하는 이상검출수단과를 구비한 것을 특징으로 하는 고체레이저장치.
- 고체레이저매질을 여기하는 직렬로 접속된 복수개의 레이저다이오드와, 이들의 레이저다이오드에 일정전류를 흘리는 정전류원과, 상기 레이저다이오드의 양단의 전압을 측정하는 전압측정수단과, 그 전압측정수단에서의 출력에 따라 상기 레이저다이오드의 이상을 검출하는 이상검출수단과를 구비한 것을 특징으로 하는 고체레이저장치.
- 제2항에 있어서, 전력측정수단은 복수개의 레이저다이오드의 전압을 개별로 측정하고, 그 개별의 측정전압을 이상검출수단으로 출력하는 것을 특징으로 하는 고체레이저장치.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2000/009320 WO2002056433A1 (fr) | 2000-12-27 | 2000-12-27 | Laser solide |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020081199A KR20020081199A (ko) | 2002-10-26 |
KR100453493B1 true KR100453493B1 (ko) | 2004-10-15 |
Family
ID=11736849
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2002-7001041A KR100453493B1 (ko) | 2000-12-27 | 2000-12-27 | 고체레이저장치 |
KR1020027001143A KR20020081200A (ko) | 2000-12-27 | 2000-12-27 | 고체레이저장치 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020027001143A KR20020081200A (ko) | 2000-12-27 | 2000-12-27 | 고체레이저장치 |
Country Status (6)
Country | Link |
---|---|
US (1) | US6931048B2 (ko) |
JP (1) | JPWO2002056433A1 (ko) |
KR (2) | KR100453493B1 (ko) |
DE (1) | DE10085421B4 (ko) |
TW (1) | TW490897B (ko) |
WO (1) | WO2002056433A1 (ko) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10254566B4 (de) * | 2002-11-21 | 2009-01-29 | Laserline Gesellschaft für Entwicklung und Vertrieb von Diodenlasern mbH | Laserdiodenanordnung mit Überbrückungseinheiten |
WO2006061891A1 (ja) * | 2004-12-08 | 2006-06-15 | Mitsubishi Denki Kabushiki Kaisha | レーザダイオード励起固体レーザ発振器および該発振器におけるレーザダイオード制御方法 |
DE102005008100B4 (de) * | 2005-02-22 | 2007-03-08 | Mitsubishi Denki K.K. | Redundanzschaltung für in Reihe angeschlossene Dioden |
US7664150B2 (en) * | 2006-01-24 | 2010-02-16 | Nlight Photonics Corporation | Diode laser electrical isolation system |
DE102009005999A1 (de) * | 2009-01-23 | 2010-09-16 | Trumpf Laser Gmbh + Co. Kg | Verfahren zur Bestimmung der Degradation und/oder Effizienz von Lasermodulen und Lasereinheit |
US9853545B2 (en) | 2015-06-30 | 2017-12-26 | Microsoft Technology Licensing, Llc | Power regulator having current and voltage modes |
JP7329733B2 (ja) * | 2018-05-18 | 2023-08-21 | パナソニックIpマネジメント株式会社 | ダイレクトダイオードレーザ方式のレーザ発振装置、および、レーザ発振装置の故障診断方法 |
JP7584924B2 (ja) | 2020-06-29 | 2024-11-18 | 古河電気工業株式会社 | 発光装置及び故障特定方法 |
CN113030713B (zh) * | 2021-03-05 | 2021-11-09 | 中国科学院国家空间科学中心 | 一种激光探测集成电路内部电平状态的系统 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05144063A (ja) * | 1991-11-21 | 1993-06-11 | Seiko Epson Corp | 光学式情報記録再生装置 |
JPH05343809A (ja) | 1992-06-08 | 1993-12-24 | Sumitomo Electric Ind Ltd | 半導体レーザ装置システム |
US5291505A (en) * | 1993-01-21 | 1994-03-01 | Hughes Aircraft Company | Active energy control for diode pumped laser systems using pulsewidth modulation |
JP2541095B2 (ja) * | 1993-05-31 | 1996-10-09 | 日本電気株式会社 | レ―ザの波長安定化方法 |
JPH0825833A (ja) | 1994-07-12 | 1996-01-30 | Nichiban Co Ltd | 電磁誘導発熱材料及びそれを有する部材、製本部材並びに製本ファイル |
JPH08136356A (ja) * | 1994-11-08 | 1996-05-31 | Nikon Corp | 温度検知装置及び方法並びにこれを用いた 半導体温度調節システム |
CA2159842A1 (en) * | 1994-12-05 | 1996-06-06 | Joe A. Ortiz | Diode drive current source |
WO1997001203A1 (en) * | 1995-06-23 | 1997-01-09 | Coherent, Inc. | Temperature correction circuit for wavelength stabilization in a laser diode |
DE19623883A1 (de) * | 1996-06-05 | 1997-12-11 | Siemens Ag | Optische Sendeeinrichtung |
US5734672A (en) * | 1996-08-06 | 1998-03-31 | Cutting Edge Optronics, Inc. | Smart laser diode array assembly and operating method using same |
JP3456120B2 (ja) * | 1997-09-09 | 2003-10-14 | 三菱電機株式会社 | レーザダイオード用電源制御装置 |
DE19723835A1 (de) * | 1997-06-06 | 1998-07-16 | Rofin Sinar Laser Gmbh | Elektrische Schutzschaltung für eine Reihenschaltung einer Anzahl von Laserdioden |
JP3456121B2 (ja) * | 1997-09-09 | 2003-10-14 | 三菱電機株式会社 | レーザダイオード用電源制御装置 |
US6255707B1 (en) * | 1998-08-24 | 2001-07-03 | Lucent Technologies, Inc. | Semiconductor laser reliability test structure and method |
US6574257B1 (en) * | 2000-02-01 | 2003-06-03 | Siros Technologies, Inc. | Near-field laser and detector apparatus and method |
-
2000
- 2000-12-27 US US10/048,233 patent/US6931048B2/en not_active Expired - Fee Related
- 2000-12-27 DE DE10085421T patent/DE10085421B4/de not_active Expired - Fee Related
- 2000-12-27 KR KR10-2002-7001041A patent/KR100453493B1/ko not_active IP Right Cessation
- 2000-12-27 JP JP2002501213A patent/JPWO2002056433A1/ja active Pending
- 2000-12-27 WO PCT/JP2000/009320 patent/WO2002056433A1/ja active IP Right Grant
- 2000-12-27 KR KR1020027001143A patent/KR20020081200A/ko not_active Application Discontinuation
- 2000-12-29 TW TW089128275A patent/TW490897B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR20020081200A (ko) | 2002-10-26 |
DE10085421T1 (de) | 2003-10-23 |
KR20020081199A (ko) | 2002-10-26 |
JPWO2002056433A1 (ja) | 2005-04-21 |
TW490897B (en) | 2002-06-11 |
US20020150139A1 (en) | 2002-10-17 |
DE10085421B4 (de) | 2010-09-02 |
WO2002056433A1 (fr) | 2002-07-18 |
US6931048B2 (en) | 2005-08-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR950004858B1 (ko) | 내부전원전압 발생회로 | |
KR100453493B1 (ko) | 고체레이저장치 | |
EP1849202B1 (en) | Apparatus for monitoring cell voltage and fuel cells using the same | |
US20040165629A1 (en) | Current drive device control circuit and solid laser apparatus using the same | |
US7277606B1 (en) | Optical switch device | |
US7288951B1 (en) | Burn-in system having multiple power modes | |
JPWO2002156433A1 (ja) | 固体レーザ装置 | |
KR100988900B1 (ko) | 반도체 장치, 그 반도체 장치를 사용한 반도체 레이저 구동장치 및 화상 형성 장치 | |
SE514188C2 (sv) | Metod för karakterisering av en avstämbar laser och bestämmande av aktuell våglängd | |
KR20030078864A (ko) | 레이저 발진기 | |
CN111176064A (zh) | 激光投影设备 | |
CN102288888B (zh) | 电泵浦半导体激光器性能监测装置及方法 | |
US5536934A (en) | Light intensity deterioration detecting circuit with compensation for resistance errors | |
JP2009026889A (ja) | 半導体レーザ装置および半導体レーザ装置の動作停止回避方法 | |
US5530936A (en) | Semiconductor laser driving circuit | |
JP4374936B2 (ja) | 光量制御装置及び画像形成装置 | |
JP4055694B2 (ja) | レーザ駆動回路 | |
KR0139571B1 (ko) | 능동소자의 동작 상태 감시/조정기 | |
US6028420A (en) | Constant voltage power supply with continuity checking | |
KR102583549B1 (ko) | 전원 전압의 레벨 변동에 대하여 안정적으로 음 전압의 레벨을 감지하는 반도체 메모리 장치의 음 전압 감지 회로 | |
US4722086A (en) | Device for monitoring discharge voltage of laser generator | |
US7397262B2 (en) | Burn-in system power stage | |
CN116455378A (zh) | 电压调整电路及光继电器 | |
JP2010212549A (ja) | レーザ発振装置およびレーザ加工機 | |
JP2006294999A (ja) | 半導体レーザ素子の光学特性生成装置および光学特性生成方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
PA0105 | International application |
Patent event date: 20020124 Patent event code: PA01051R01D Comment text: International Patent Application |
|
PA0201 | Request for examination | ||
PG1501 | Laying open of application | ||
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20031210 Patent event code: PE09021S01D |
|
E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20040827 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20041008 Patent event code: PR07011E01D |
|
PR1002 | Payment of registration fee |
Payment date: 20041011 End annual number: 3 Start annual number: 1 |
|
PG1601 | Publication of registration | ||
PR1001 | Payment of annual fee |
Payment date: 20070920 Start annual number: 4 End annual number: 4 |
|
PR1001 | Payment of annual fee |
Payment date: 20080925 Start annual number: 5 End annual number: 5 |
|
FPAY | Annual fee payment |
Payment date: 20090925 Year of fee payment: 6 |
|
PR1001 | Payment of annual fee |
Payment date: 20090925 Start annual number: 6 End annual number: 6 |
|
LAPS | Lapse due to unpaid annual fee | ||
PC1903 | Unpaid annual fee |