KR20070066864A - 대구경 표면 발광형 반도체 레이저 소자를 이용한 광정보처리 장치 - Google Patents
대구경 표면 발광형 반도체 레이저 소자를 이용한 광정보처리 장치 Download PDFInfo
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- H01S5/00—Semiconductor lasers
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- H01S5/34—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers
- H01S5/343—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser
- H01S5/34313—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser with a well layer having only As as V-compound, e.g. AlGaAs, InGaAs
- H01S5/3432—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser with a well layer having only As as V-compound, e.g. AlGaAs, InGaAs the whole junction comprising only (AI)GaAs
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Abstract
Description
Claims (10)
- 광원(光源)과, 광원으로부터의 광을 광정보 기록 매체에 집광(集光)하는 광학계와, 그 집광된 레이저광을 상기 광정보 기록 매체 위에서 주사(走査)하는 기구를 구비한 광정보 처리 장치에 있어서,상기 광원은 레이저광을 출사(出射)하는 적어도 하나의 면발광형 반도체 레이저 소자를 포함하며, 상기 적어도 하나의 면발광형 반도체 레이저 소자는 수직 공진기 구조를 구성하는 제 1 및 제 2 미러 사이에 활성 영역 및 전류 협착부(狹窄部)를 포함하고, 상기 전류 협착부에는 전류를 주입하기 위한 약 4미크론보다도 큰 개구부가 형성되어 있는 광정보 처리 장치.
- 제 1 항에 있어서,상기 광원은 복수의 면발광형 반도체 레이저 소자가 배열된 어레이를 포함하는 광정보 처리 장치.
- 제 1 항 또는 제 2 항에 있어서,상기 전류 협착부는 Al을 함유하는 반도체층을 포함하고, 개구부는 Al을 함유하는 반도체층을 선택적으로 산화시켜 이루어지는 영역에 의해 둘러싸여 있는 광정보 처리 장치.
- 제 1 항 또는 제 2 항에 있어서,면발광형 반도체 레이저 소자는 특정 하나의 횡모드를 포함하는 싱글 모드에서 동작되는 광정보 처리 장치.
- 제 4 항에 있어서,면발광형 반도체 레이저 소자는 고차(高次) 싱글 모드에서 동작되는 광정보 처리 장치.
- 제 1 항 또는 제 2 항에 있어서,면발광형 반도체 레이저 소자는 임계값 근방에서 동작되는 광정보 처리 장치.
- 제 1 항 또는 제 2 항에 있어서,제 1 및 제 2 미러는 Al을 함유하는 III-V족 화합물 반도체층을 포함하고, 활성 영역에서 발생되는 레이저광의 파장은 약 850㎚인 광정보 처리 장치.
- 제 1 항 또는 제 2 항에 있어서,상기 광원은 적어도 하나의 면발광형 반도체 레이저를 소자를 실장하는 패키지를 포함하는 광정보 처리 장치.
- 제 8 항에 있어서,상기 패키지는 면발광형 반도체 레이저 소자로부터 출사된 광을 집광하는 렌즈를 포함하는 광정보 처리 장치.
- 제 1 항 또는 제 2 항에 있어서,광학계는 모터에 의해 회전되는 폴리곤 미러와 fθ 렌즈를 포함하며, 광원으로부터의 레이저광은 폴리곤 미러에서 반사되고, 그 반사광은 fθ 렌즈에 의해 감광체 드럼면 위를 주사하는 광정보 처리 장치.
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JPJP-P-2005-00369086 | 2005-12-22 | ||
JP2005369086A JP2007173514A (ja) | 2005-12-22 | 2005-12-22 | 大口径表面発光型半導体レーザ素子を用いた光情報処理装置 |
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KR100866059B1 KR100866059B1 (ko) | 2008-10-31 |
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US (1) | US20070147459A1 (ko) |
EP (1) | EP1801940A1 (ko) |
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CN (1) | CN1987674A (ko) |
Cited By (1)
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KR101145219B1 (ko) * | 2007-09-17 | 2012-05-25 | 삼성전자주식회사 | 광출력장치 및 이를 채용한 광주사유니트 |
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JP4548345B2 (ja) * | 2006-01-12 | 2010-09-22 | セイコーエプソン株式会社 | 面発光型半導体レーザ |
US7839913B2 (en) | 2007-11-22 | 2010-11-23 | Canon Kabushiki Kaisha | Surface emitting laser, surface emitting laser array, and image forming apparatus including surface emitting laser |
JP5106487B2 (ja) * | 2008-07-31 | 2012-12-26 | キヤノン株式会社 | 面発光レーザの製造方法及び面発光レーザアレイの製造方法、該製造方法による面発光レーザアレイを備えている光学機器 |
JP2010192650A (ja) * | 2009-02-18 | 2010-09-02 | Fuji Xerox Co Ltd | 面発光型半導体レーザ、面発光型半導体レーザ装置、光送信装置および光情報処理装置 |
JP5403248B2 (ja) * | 2009-09-15 | 2014-01-29 | 株式会社リコー | 光源装置、光走査装置及び画像形成装置 |
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JP5717989B2 (ja) * | 2010-06-15 | 2015-05-13 | 古河電気工業株式会社 | レーザ装置 |
US9041015B2 (en) | 2013-03-12 | 2015-05-26 | Taiwan Semiconductor Manufacturing Company, Ltd. | Package structure and methods of forming same |
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2005
- 2005-12-22 JP JP2005369086A patent/JP2007173514A/ja active Pending
-
2006
- 2006-08-18 US US11/506,296 patent/US20070147459A1/en not_active Abandoned
- 2006-08-30 EP EP06254523A patent/EP1801940A1/en not_active Withdrawn
- 2006-10-09 CN CNA2006101422025A patent/CN1987674A/zh active Pending
- 2006-11-27 KR KR1020060117740A patent/KR100866059B1/ko active IP Right Grant
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101145219B1 (ko) * | 2007-09-17 | 2012-05-25 | 삼성전자주식회사 | 광출력장치 및 이를 채용한 광주사유니트 |
US8681831B2 (en) | 2007-09-17 | 2014-03-25 | Samsung Electronics Co., Ltd. | Light outputting device and light scanning unit having the same |
Also Published As
Publication number | Publication date |
---|---|
EP1801940A1 (en) | 2007-06-27 |
KR100866059B1 (ko) | 2008-10-31 |
US20070147459A1 (en) | 2007-06-28 |
CN1987674A (zh) | 2007-06-27 |
JP2007173514A (ja) | 2007-07-05 |
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