KR880014707A - 반도체 레이저장치 - Google Patents
반도체 레이저장치 Download PDFInfo
- Publication number
- KR880014707A KR880014707A KR1019880004556A KR880004556A KR880014707A KR 880014707 A KR880014707 A KR 880014707A KR 1019880004556 A KR1019880004556 A KR 1019880004556A KR 880004556 A KR880004556 A KR 880004556A KR 880014707 A KR880014707 A KR 880014707A
- Authority
- KR
- South Korea
- Prior art keywords
- semiconductor laser
- laser device
- output
- light
- face
- Prior art date
Links
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
- H01S5/30—Structure or shape of the active region; Materials used for the active region
- H01S5/32—Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- heterostructures
-
- 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
- H01S5/028—Coatings ; Treatment of the laser facets, e.g. etching, passivation layers or reflecting layers
-
- 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
-
- 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
- H01S5/028—Coatings ; Treatment of the laser facets, e.g. etching, passivation layers or reflecting layers
- H01S5/0284—Coatings with a temperature dependent reflectivity
-
- 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
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 반도체레이저소자의 단면 보호막의 반사율을 나타내는 그래프, 제2도는 반도체레이져 소자의 모니터광의 강도의 온도특성을 나타내는 그래프, 제4도는 반도체 레이저장치의 개략적인 측면도.
Claims (1)
- 단면(端面)보호막이 형성되어 있는 제1 및 제2의 출력단면을 가지며 이 제1의 출력단면에서 방사되는 레이저광을 출력광으로하는 반도체레이저소자와, 상기 출력광의 강도를 제어하기 위해서 상기 제2의 출력단면에서 방사되는 레이저광을 검지하는 수광소자를 각기 구비하는 반도체레이저 장치에 있어서, 상기 단면보호막을 투과한 상기 레이저광의 강도의 온도의존 특성과 상기 수광소자의 검지출력의 온도의존 특성이 서로 역특성으로 되는 막두께를 상기 단면보호막이 가지고 있는 것을 특징으로 하는 반도체레이져 장치.※ 참고사항:최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP87-130368 | 1987-05-27 | ||
JP62130368A JP2663437B2 (ja) | 1987-05-27 | 1987-05-27 | 半導体レーザ装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR880014707A true KR880014707A (ko) | 1988-12-24 |
KR960016182B1 KR960016182B1 (ko) | 1996-12-04 |
Family
ID=15032706
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019880004556A KR960016182B1 (ko) | 1987-05-27 | 1988-04-22 | 반도체 레이저 장치 |
Country Status (7)
Country | Link |
---|---|
US (1) | US4843610A (ko) |
EP (1) | EP0293144B1 (ko) |
JP (1) | JP2663437B2 (ko) |
KR (1) | KR960016182B1 (ko) |
CA (1) | CA1295403C (ko) |
DE (1) | DE3868435D1 (ko) |
SG (1) | SG26295G (ko) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5224113A (en) * | 1991-12-20 | 1993-06-29 | At&T Bell Laboratories | Semiconductor laser having reduced temperature dependence |
US5369658A (en) * | 1992-06-26 | 1994-11-29 | Rohm Co., Ltd. | Semiconductor laser |
JPH1093193A (ja) * | 1996-09-10 | 1998-04-10 | Oki Electric Ind Co Ltd | 光半導体装置及び光源 |
JPH1174618A (ja) * | 1997-08-28 | 1999-03-16 | Canon Inc | 半導体レーザ装置および光量制御装置、画像形成装置 |
US6519272B1 (en) * | 1999-06-30 | 2003-02-11 | Corning Incorporated | Long, high-power semiconductor laser with shifted-wave and passivated output facet |
US7573688B2 (en) * | 2002-06-07 | 2009-08-11 | Science Research Laboratory, Inc. | Methods and systems for high current semiconductor diode junction protection |
JP4286683B2 (ja) * | 2004-02-27 | 2009-07-01 | ローム株式会社 | 半導体レーザ |
JP5319397B2 (ja) | 2009-05-27 | 2013-10-16 | シャープ株式会社 | 半導体レーザ装置 |
JP6135389B2 (ja) * | 2012-09-19 | 2017-05-31 | 船井電機株式会社 | 画像表示装置および光学部品 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54150989A (en) * | 1978-05-18 | 1979-11-27 | Nec Corp | Semiconductor laser |
US4375067A (en) * | 1979-05-08 | 1983-02-22 | Canon Kabushiki Kaisha | Semiconductor laser device having a stabilized output beam |
JPS59145588A (ja) * | 1983-02-09 | 1984-08-21 | Hitachi Ltd | 半導体レ−ザ装置 |
US4656638A (en) * | 1983-02-14 | 1987-04-07 | Xerox Corporation | Passivation for surfaces and interfaces of semiconductor laser facets or the like |
JPS60242689A (ja) * | 1984-05-16 | 1985-12-02 | Sharp Corp | 半導体レ−ザ素子 |
JPS6130092A (ja) * | 1984-07-20 | 1986-02-12 | Nec Corp | レ−ザ装置 |
JPS6177388A (ja) * | 1984-09-21 | 1986-04-19 | Sharp Corp | 半導体レ−ザの共振端面反射率測定装置 |
JPS61207091A (ja) * | 1985-03-11 | 1986-09-13 | Sharp Corp | 半導体レ−ザ素子 |
JPH0766995B2 (ja) * | 1985-06-14 | 1995-07-19 | シャープ株式会社 | 半導体レーザ装置 |
-
1987
- 1987-05-27 JP JP62130368A patent/JP2663437B2/ja not_active Expired - Lifetime
-
1988
- 1988-04-22 KR KR1019880004556A patent/KR960016182B1/ko not_active IP Right Cessation
- 1988-05-20 DE DE8888304622T patent/DE3868435D1/de not_active Expired - Lifetime
- 1988-05-20 EP EP88304622A patent/EP0293144B1/en not_active Expired - Lifetime
- 1988-05-25 US US07/198,216 patent/US4843610A/en not_active Expired - Lifetime
- 1988-05-26 CA CA000567823A patent/CA1295403C/en not_active Expired - Lifetime
-
1995
- 1995-02-17 SG SG26295A patent/SG26295G/en unknown
Also Published As
Publication number | Publication date |
---|---|
CA1295403C (en) | 1992-02-04 |
JP2663437B2 (ja) | 1997-10-15 |
EP0293144A1 (en) | 1988-11-30 |
SG26295G (en) | 1995-08-18 |
EP0293144B1 (en) | 1992-02-19 |
JPS63293990A (ja) | 1988-11-30 |
KR960016182B1 (ko) | 1996-12-04 |
DE3868435D1 (de) | 1992-03-26 |
US4843610A (en) | 1989-06-27 |
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E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
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Payment date: 20101129 Year of fee payment: 15 |
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EXPY | Expiration of term |