KR870010502A - 반도체 레이저 장치 - Google Patents
반도체 레이저 장치 Download PDFInfo
- Publication number
- KR870010502A KR870010502A KR870003798A KR870003798A KR870010502A KR 870010502 A KR870010502 A KR 870010502A KR 870003798 A KR870003798 A KR 870003798A KR 870003798 A KR870003798 A KR 870003798A KR 870010502 A KR870010502 A KR 870010502A
- Authority
- KR
- South Korea
- Prior art keywords
- light
- reflecting surface
- semiconductor laser
- photodetector
- prism
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/123—Integrated head arrangements, e.g. with source and detectors mounted on the same substrate
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1359—Single prisms
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1381—Non-lens elements for altering the properties of the beam, e.g. knife edges, slits, filters or stops
-
- 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
- H01S5/022—Mountings; Housings
- H01S5/0225—Out-coupling of light
- H01S5/02255—Out-coupling of light using beam deflecting 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
- H01S5/02—Structural details or components not essential to laser action
- H01S5/022—Mountings; Housings
- H01S5/023—Mount members, e.g. sub-mount members
- H01S5/02325—Mechanically integrated components on mount members or optical micro-benches
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- Optical Head (AREA)
- Semiconductor Lasers (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (1)
- 최소한 반도체 기판에 형성되어 있는 1 또는 2 이상의 광검출기와, 이 광검출기의 수광면에 접면하여, 제1의 반투과 반사면에서 입사된 되돌아오는 광을 상기한 광검출기의 수광면에 조사하는 곳과 같은 제2의 반투과 반사면을 갖는 프리즘과, 상기 제1의 반투과 반사면에 레이저 광을 입사하는 반도체 레이저 발광원으로 이루어지며, 상기 반도체 기판과 상기 프리즘의 경계면에는, 상기한 제1의 반투과 반사면에서 입사된 소정의 입사각 이상의 미광이 거의 전반사 되는 것과 같은 굴절율로 된 2층 이상의 코우팅층이 형성되어 있는 것을 특징으로 하는 반도체 레이저 장치.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP92410 | 1986-04-23 | ||
JP61092410A JPH0719394B2 (ja) | 1986-04-23 | 1986-04-23 | 半導体レ−ザ装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR870010502A true KR870010502A (ko) | 1987-11-30 |
KR950001875B1 KR950001875B1 (ko) | 1995-03-04 |
Family
ID=14053642
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019870003798A KR950001875B1 (ko) | 1986-04-23 | 1987-04-21 | 반도체 레이저 장치 |
Country Status (8)
Country | Link |
---|---|
US (1) | US4772784A (ko) |
EP (1) | EP0243170B1 (ko) |
JP (1) | JPH0719394B2 (ko) |
KR (1) | KR950001875B1 (ko) |
CA (1) | CA1277406C (ko) |
DE (1) | DE3776186D1 (ko) |
HK (1) | HK119395A (ko) |
SG (1) | SG3995G (ko) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4906839A (en) * | 1986-05-01 | 1990-03-06 | Pencom International Corp. | Hybrid surface emitting laser and detector |
US4905216A (en) * | 1986-12-04 | 1990-02-27 | Pencom International Corporation | Method for constructing an optical head by varying a hologram pattern |
JP2508478B2 (ja) * | 1987-02-06 | 1996-06-19 | ソニー株式会社 | 光学ヘツド |
JPS63220432A (ja) * | 1987-03-10 | 1988-09-13 | Toshiba Corp | 光学ヘツド |
US5164930A (en) * | 1990-07-25 | 1992-11-17 | Pioneer Electronic Corporation | Optical pickup |
US5350917A (en) * | 1991-12-27 | 1994-09-27 | Sony Corporation | Opto-magnetic recording polarization optical apparatus including a laser diode and a light absorbing film |
US5319182A (en) * | 1992-03-04 | 1994-06-07 | Welch Allyn, Inc. | Integrated solid state light emitting and detecting array and apparatus employing said array |
US5285062A (en) * | 1992-04-14 | 1994-02-08 | Hoetron, Inc. | Laser/detector hybrid with mirror source and diffracted return beam |
EP0664585B1 (de) * | 1993-12-22 | 1998-03-04 | Siemens Aktiengesellschaft | Sende- und Empfangsmodul für eine bidirektionale optische Nachrichten- und Signalübertragung |
US5508625A (en) * | 1994-06-23 | 1996-04-16 | The Boeing Company | Voltage stand off characteristics of photoconductor devices |
US5874722A (en) | 1994-07-19 | 1999-02-23 | Spectra-Physics Scanning Systems, Inc. | Compact scanner module mountable to pointing instrument |
SE506654C2 (sv) * | 1994-09-16 | 1998-01-26 | Sitek Electro Optics Ab | Positionskänslig fotodetektor med eliminerad inverkan av ströljus |
JP3438365B2 (ja) * | 1994-11-29 | 2003-08-18 | ソニー株式会社 | 複合光学装置およびその製造方法 |
US6185239B1 (en) * | 1997-01-22 | 2001-02-06 | Sony Corporation | Semiconductor laser device |
US9737060B1 (en) * | 2017-02-23 | 2017-08-22 | Jeffrey Racho | Fishing apparatus |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3513316A (en) * | 1967-12-07 | 1970-05-19 | Block Engineering | Atr device having transparent slab on which is deposited an ultra-thin photocathode |
US3969751A (en) * | 1974-12-18 | 1976-07-13 | Rca Corporation | Light shield for a semiconductor device comprising blackened photoresist |
FR2470391A1 (fr) * | 1979-11-21 | 1981-05-29 | Thomson Csf | Dispositif optique stigmatique d'emission-reception de rayonnements coherents et tete optique d'enregistrement-lecture comprenant un tel dispositif |
JPS6195591A (ja) * | 1984-10-16 | 1986-05-14 | Sony Corp | 半導体レ−ザ |
-
1986
- 1986-04-23 JP JP61092410A patent/JPH0719394B2/ja not_active Expired - Lifetime
-
1987
- 1987-04-14 CA CA000534645A patent/CA1277406C/en not_active Expired - Lifetime
- 1987-04-21 KR KR1019870003798A patent/KR950001875B1/ko not_active IP Right Cessation
- 1987-04-22 EP EP87303534A patent/EP0243170B1/en not_active Expired - Lifetime
- 1987-04-22 DE DE8787303534T patent/DE3776186D1/de not_active Expired - Lifetime
- 1987-04-22 US US07/041,140 patent/US4772784A/en not_active Expired - Lifetime
-
1995
- 1995-01-11 SG SG3995A patent/SG3995G/en unknown
- 1995-07-20 HK HK119395A patent/HK119395A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
SG3995G (en) | 1995-06-16 |
US4772784A (en) | 1988-09-20 |
DE3776186D1 (de) | 1992-03-05 |
KR950001875B1 (ko) | 1995-03-04 |
HK119395A (en) | 1995-07-28 |
EP0243170A3 (en) | 1989-08-30 |
CA1277406C (en) | 1990-12-04 |
JPS62250528A (ja) | 1987-10-31 |
JPH0719394B2 (ja) | 1995-03-06 |
EP0243170B1 (en) | 1992-01-22 |
EP0243170A2 (en) | 1987-10-28 |
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A201 | Request for examination | ||
G160 | Decision to publish patent application | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20070228 Year of fee payment: 13 |
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EXPY | Expiration of term |