JPS5384744A - Optical composite - Google Patents

Optical composite

Info

Publication number
JPS5384744A
JPS5384744A JP13483177A JP13483177A JPS5384744A JP S5384744 A JPS5384744 A JP S5384744A JP 13483177 A JP13483177 A JP 13483177A JP 13483177 A JP13483177 A JP 13483177A JP S5384744 A JPS5384744 A JP S5384744A
Authority
JP
Japan
Prior art keywords
optical composite
composite
optical
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
Application number
JP13483177A
Other languages
English (en)
Other versions
JPS579713B2 (ja
Inventor
Debitsudo Kamaafuoodo Rian
Debitsudo Kurou Jiyon
Aran Rafu Robaato
Ganguuuha Riin Eritsuku
Jiyon Bureidei Mikaeru
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Publication of JPS5384744A publication Critical patent/JPS5384744A/ja
Publication of JPS579713B2 publication Critical patent/JPS579713B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/26Optical coupling means
    • G02B6/30Optical coupling means for use between fibre and thin-film device
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/42Coupling light guides with opto-electronic elements
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/42Coupling light guides with opto-electronic elements
    • G02B6/4201Packages, e.g. shape, construction, internal or external details
    • G02B6/4219Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
    • G02B6/4228Passive alignment, i.e. without a detection of the degree of coupling or the position of the elements
    • G02B6/423Passive alignment, i.e. without a detection of the degree of coupling or the position of the elements using guiding surfaces for the alignment
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/42Coupling light guides with opto-electronic elements
    • G02B6/4201Packages, e.g. shape, construction, internal or external details
    • G02B6/4249Packages, e.g. shape, construction, internal or external details comprising arrays of active devices and fibres
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L27/00Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
    • H01L27/15Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components having potential barriers, specially adapted for light emission
    • H01L27/153Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components having potential barriers, specially adapted for light emission in a repetitive configuration, e.g. LED bars
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S5/00Semiconductor lasers
    • H01S5/02Structural details or components not essential to laser action
    • H01S5/022Mountings; Housings
    • H01S5/023Mount members, e.g. sub-mount members
    • H01S5/02325Mechanically integrated components on mount members or optical micro-benches
    • H01S5/02326Arrangements for relative positioning of laser diodes and optical components, e.g. grooves in the mount to fix optical fibres or lenses
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S5/00Semiconductor lasers
    • H01S5/40Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
    • H01S5/4025Array arrangements, e.g. constituted by discrete laser diodes or laser bar
    • H01S5/4031Edge-emitting structures
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S5/00Semiconductor lasers
    • H01S5/005Optical components external to the laser cavity, specially adapted therefor, e.g. for homogenisation or merging of the beams or for manipulating laser pulses, e.g. pulse shaping
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S5/00Semiconductor lasers
    • H01S5/02Structural details or components not essential to laser action
    • H01S5/022Mountings; Housings
    • H01S5/0225Out-coupling of light
    • H01S5/02251Out-coupling of light using optical fibres

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Semiconductor Lasers (AREA)
  • Led Devices (AREA)
JP13483177A 1976-12-30 1977-11-11 Optical composite Granted JPS5384744A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/756,042 US4079404A (en) 1976-12-30 1976-12-30 Self-aligning support structure for optical components

Publications (2)

Publication Number Publication Date
JPS5384744A true JPS5384744A (en) 1978-07-26
JPS579713B2 JPS579713B2 (ja) 1982-02-23

Family

ID=25041786

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13483177A Granted JPS5384744A (en) 1976-12-30 1977-11-11 Optical composite

Country Status (6)

Country Link
US (1) US4079404A (ja)
JP (1) JPS5384744A (ja)
CA (1) CA1085950A (ja)
DE (1) DE2754923A1 (ja)
FR (1) FR2376537A1 (ja)
GB (1) GB1546984A (ja)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53118473U (ja) * 1977-02-28 1978-09-20
JPS5659262A (en) * 1979-09-21 1981-05-22 Siemens Ag Contactless recording optical device
JPS5768098A (en) * 1980-10-16 1982-04-26 Mitsubishi Electric Corp Semiconductor laser synthesizer
JPS5784189A (en) * 1980-11-14 1982-05-26 Nec Corp Hybrid integrated optical circuit
JPS57143886A (en) * 1981-02-27 1982-09-06 Fujitsu Ltd Photo-semiconductor device
JPS61174765U (ja) * 1985-04-19 1986-10-30
JP2004512563A (ja) * 2000-10-25 2004-04-22 コミツサリア タ レネルジー アトミーク 特に光学部品を備えるプレートなどの支持部材のパッシブアライメント法および装置

Families Citing this family (78)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4225213A (en) * 1977-12-23 1980-09-30 Texas Instruments Incorporated Connector apparatus
FR2426347A1 (fr) * 1978-05-18 1979-12-14 Thomson Csf Source laser a semi-conducteur et son procede de fabrication
DE2851679C2 (de) * 1978-11-29 1983-02-17 Siemens AG, 1000 Berlin und 8000 München Verfahren zur Herstellung eines Verzweigerelements nach dem Strahlteilerprinzip
US4297653A (en) * 1979-04-30 1981-10-27 Xerox Corporation Hybrid semiconductor laser/detectors
DE2938224A1 (de) * 1979-09-21 1981-04-09 Siemens AG, 1000 Berlin und 8000 München Optische vorrichtung zum beruehrungslosen schreiben
US4358851A (en) * 1980-02-28 1982-11-09 Xerox Corporation Fiber optic laser device and light emitter utilizing the device
US4453802A (en) * 1981-10-26 1984-06-12 Hughes Aircraft Company Evanescent-wave coupling device
US4558920A (en) * 1981-11-19 1985-12-17 Board Of Trustees Of The Leland Stanford Junior University Tapped optical fiber delay line
FR2546311B1 (fr) * 1983-05-17 1986-03-28 France Etat Procede et dispositif de connexion entre une fibre optique et un composant d'optique integree comportant un guide d'onde
US4577926A (en) * 1983-09-30 1986-03-25 International Business Machines Corporation Fiber optic writing head
FR2554606B1 (fr) * 1983-11-04 1987-04-10 Thomson Csf Dispositif optique de concentration du rayonnement lumineux emis par une diode electroluminescente, et diode electroluminescente comportant un tel dispositif
WO1985005680A1 (en) * 1984-06-01 1985-12-19 Shapiro Howard M Optical systems for flow cytometers
US4699449A (en) * 1985-03-05 1987-10-13 Canadian Patents And Development Limited-Societe Canadienne Des Brevets Et D'exploitation Limitee Optoelectronic assembly and method of making the same
US4845052A (en) * 1986-02-07 1989-07-04 Harris Corporation Method of packaging a non-contact I/O signal transmission integrated circuit
SE8600656L (sv) * 1986-02-14 1987-08-15 Svenska Robot Hb Anordning for astadkommande av informationsoverforande kommunikation mellan elektriska komponenter eller kretsar
JPS63175015U (ja) * 1986-11-21 1988-11-14
US4789214A (en) * 1987-09-21 1988-12-06 Tacan Corporation Micro-optical building block system and method of making same
US4787696A (en) * 1987-12-18 1988-11-29 Gte Laboratories Incorporated Mounting apparatus for optical fibers and lasers
US4904036A (en) * 1988-03-03 1990-02-27 American Telephone And Telegraph Company, At&T Bell Laboratories Subassemblies for optoelectronic hybrid integrated circuits
US5004956A (en) * 1988-08-23 1991-04-02 Westinghouse Electric Corp. Thin film electroluminescent edge emitter structure on a silcon substrate
US5043631A (en) * 1988-08-23 1991-08-27 Westinghouse Electric Corp. Thin film electroluminescent edge emitter structure on a silicon substrate
US4966446A (en) * 1989-04-28 1990-10-30 At&T Bell Laboratories Mask controlled coupling of inter-substrate optical components
US4953933A (en) * 1989-07-10 1990-09-04 The Boeing Company Optical encoder reading device
DE3925189C1 (en) * 1989-07-29 1990-12-13 Messerschmitt-Boelkow-Blohm Gmbh, 8012 Ottobrunn, De Optical transmission detector using optical fibre and PIN-diode - is mounted in V-shaped trench of crystalline silicon chip with vaporised counter-electrode and integrated receiving electronics
US5221984A (en) * 1989-09-18 1993-06-22 Kabushiki Kaisha Toshiba Optical data transmission device with parallel channel paths for arrayed optical elements
US5077878A (en) * 1990-07-11 1992-01-07 Gte Laboratories Incorporated Method and device for passive alignment of diode lasers and optical fibers
US5119448A (en) * 1990-09-21 1992-06-02 Tacan Corporation Modular micro-optical systems and method of making such systems
US5127068A (en) * 1990-11-16 1992-06-30 Spectra-Physics, Inc. Apparatus for coupling a multiple emitter laser diode to a multimode optical fiber
CH685521A5 (fr) * 1991-09-10 1995-07-31 Suisse Electronique Microtech Procédé pour coupler au moins une fibre optique avec un guide d'onde optique intégré et dispositif micromécanique de couplage obtenu.
US5173959A (en) * 1991-09-13 1992-12-22 Gte Laboratories Incorporated Method and apparatus for assembling a fiber array
US5178723A (en) * 1991-11-04 1993-01-12 At&T Bell Laboratories Method and apparatus for making optical devices
US5276756A (en) * 1991-12-06 1994-01-04 Amoco Corporation High speed electro-optical signal translator
JPH05173046A (ja) * 1991-12-20 1993-07-13 Sony Corp 光導波路装置
US6785440B1 (en) 1992-04-16 2004-08-31 Coherent, Inc. Assembly for focusing and coupling the radiation produced by a semiconductor laser into optical fibers
DE4238434A1 (de) * 1992-04-16 1993-10-21 Adlas Gmbh & Co Kg Anordnung zur Bündelung und Einkopplung der von einem Halbleiterlaser erzeugten Strahlung in Lichtleitfasern
DE4232608C2 (de) * 1992-09-29 1994-10-06 Bosch Gmbh Robert Verfahren zum Herstellen eines Deckels für eine integriert optische Schaltung
US6090635A (en) * 1992-11-17 2000-07-18 Gte Laboratories Incorporated Method for forming a semiconductor device structure having a laser portion
US5355386A (en) * 1992-11-17 1994-10-11 Gte Laboratories Incorporated Monolithically integrated semiconductor structure and method of fabricating such structure
US5317452A (en) * 1992-11-17 1994-05-31 Harvard University Aligning and attaching a lens to a source of emitted light using light pressure force
DE4240950C1 (de) * 1992-12-07 1994-03-31 Bosch Gmbh Robert Verfahren zum Herstellen eines Deckels für eine integriert optische Schaltung und Deckel für eine integriert optische Schaltung
US5420954A (en) * 1993-05-24 1995-05-30 Photonics Research Incorporated Parallel optical interconnect
JP2550890B2 (ja) * 1993-10-28 1996-11-06 日本電気株式会社 光導波路の接続構造およびその製造方法
DE4342844C1 (de) * 1993-12-10 1995-06-01 Siemens Ag Elektrooptisches Modul
US5544184A (en) * 1994-06-10 1996-08-06 Sdl, Inc. Semiconductor illumination system with expansion matched components
US5511138A (en) * 1994-06-27 1996-04-23 Motorola Interlocking waveguide and method of making
US5544269A (en) * 1994-12-14 1996-08-06 Ricoh Company Ltd. Optical transmission module and method of forming the same
EP1018050B1 (en) * 1995-06-30 2001-12-12 The Whitaker Corporation Apparatus for aligning an optoelectronic device
JPH1051078A (ja) * 1996-08-06 1998-02-20 Furukawa Electric Co Ltd:The 半導体レーザアレイ及びその製造方法
FR2754353B1 (fr) * 1996-10-08 1998-12-18 Thomson Csf Dispositif de couplage d'une serie de fibres et procede de realisation
US6172997B1 (en) 1998-06-16 2001-01-09 Aculight Corporation Integrated semiconductor diode laser pumped solid state laser
US6198580B1 (en) 1998-08-17 2001-03-06 Newport Corporation Gimballed optical mount
SE514478C2 (sv) * 1998-12-15 2001-02-26 Ericsson Telefon Ab L M Optisk mottagar- och sändarmodul
US6516130B1 (en) 1998-12-30 2003-02-04 Newport Corporation Clip that aligns a fiber optic cable with a laser diode within a fiber optic module
US6996506B2 (en) * 1999-02-23 2006-02-07 Newport Corporation Process and device for displacing a moveable unit on a base
FR2790115B1 (fr) 1999-02-23 2001-05-04 Micro Controle Procede et dispositif pour deplacer un mobile sur une base montee elastiquement par rapport au sol
US6370173B1 (en) * 1999-07-26 2002-04-09 Coronado Laser Co., L.L.C. Heat sink for hand-held, high power laser
US6511035B1 (en) 1999-08-03 2003-01-28 Newport Corporation Active vibration isolation systems with nonlinear compensation to account for actuator saturation
JP4258912B2 (ja) * 1999-09-30 2009-04-30 住友電気工業株式会社 光導波路の位置決め部材及び位置決め方法
US6313803B1 (en) * 2000-01-07 2001-11-06 Waveband Corporation Monolithic millimeter-wave beam-steering antenna
US6811853B1 (en) 2000-03-06 2004-11-02 Shipley Company, L.L.C. Single mask lithographic process for patterning multiple types of surface features
US6465858B2 (en) * 2000-03-24 2002-10-15 Matsushita Electric Industrial Co., Ltd. Semiconductor device package for optical communication device
US6627096B2 (en) 2000-05-02 2003-09-30 Shipley Company, L.L.C. Single mask technique for making positive and negative micromachined features on a substrate
US6655840B2 (en) 2001-02-13 2003-12-02 Newport Corporation Stiff cross roller bearing configuration
WO2002065600A2 (en) * 2001-02-14 2002-08-22 Gemfire Corporation Multi-channel laser pump source and packaging method therefor
US20020110328A1 (en) * 2001-02-14 2002-08-15 Bischel William K. Multi-channel laser pump source for optical amplifiers
US6601524B2 (en) 2001-03-28 2003-08-05 Newport Corporation Translation table with a spring biased dovetail bearing
DE10117020C2 (de) * 2001-04-05 2003-05-08 Unique M O D E Ag Optisches oder optoelektronisches Modul
US6791058B2 (en) 2001-04-25 2004-09-14 Newport Corporation Automatic laser weld machine for assembling photonic components
US6568666B2 (en) 2001-06-13 2003-05-27 Newport Corporation Method for providing high vertical damping to pneumatic isolators during large amplitude disturbances of isolated payload
US6619611B2 (en) 2001-07-02 2003-09-16 Newport Corporation Pneumatic vibration isolator utilizing an elastomeric element for isolation and attenuation of horizontal vibration
EP1321791A2 (en) * 2001-12-04 2003-06-25 Matsushita Electric Industrial Co., Ltd. Optical package substrate, optical device, optical module, and method for molding optical package substrate
US6966535B2 (en) * 2002-05-07 2005-11-22 Newport Corporation Snubber for pneumatically isolated platforms
US6807219B2 (en) * 2002-11-21 2004-10-19 Honeywell Federal Manufacturing & Technologies Laser housing having integral mounts and method of manufacturing same
US7320455B2 (en) 2003-10-24 2008-01-22 Newport Corporation Instrumented platform for vibration-sensitive equipment
US8231098B2 (en) 2004-12-07 2012-07-31 Newport Corporation Methods and devices for active vibration damping of an optical structure
US9065236B2 (en) 2010-04-30 2015-06-23 Seagate Technology Method and apparatus for aligning a laser diode on a slider
US8345517B2 (en) 2010-04-30 2013-01-01 Seagate Technology Llc Method and apparatus for aligning a laser diode on a slider
CN103384780B (zh) 2010-12-29 2016-03-30 新港公司 可调谐式振动阻尼器以及制造和调谐方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50150274U (ja) * 1974-05-31 1975-12-13
JPS50150275U (ja) * 1974-05-31 1975-12-13
JPS5141973U (ja) * 1974-09-21 1976-03-29
JPS5147665U (ja) * 1974-10-05 1976-04-08
JPS5199483A (ja) * 1975-02-28 1976-09-02 Fujitsu Ltd
JPS5361176U (ja) * 1976-10-22 1978-05-24

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3774987A (en) * 1972-06-27 1973-11-27 Bell Electric Research Ltd Coupling of lasers to optical fibres
JPS5141973B2 (ja) * 1973-04-10 1976-11-12
US3864018A (en) * 1973-10-18 1975-02-04 Bell Telephone Labor Inc Method and means for splicing arrays of optical fibers
US3841733A (en) * 1973-12-05 1974-10-15 Itek Corp Optical waveguide system for producing a line of modulated radiation data
GB1437067A (en) * 1974-08-08 1976-05-26 Standard Telephones Cables Ltd Optical waveguide couplers
US3981023A (en) * 1974-09-16 1976-09-14 Northern Electric Company Limited Integral lens light emitting diode
US4029390A (en) * 1974-12-23 1977-06-14 Bell Telephone Laboratories, Incorporated Optical fiber group splicing technique and apparatus employing unique foldable holder
NL7505629A (nl) * 1975-05-14 1976-11-16 Philips Nv Inrichting voor het koppelen van een lichtbron met een optische vezel.
FR2317786A1 (fr) * 1975-07-11 1977-02-04 Licentia Gmbh Photocoupleur entre un guide de lumiere filiforme et un laser a semiconducteurs montes a demeure sur un support commun

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50150274U (ja) * 1974-05-31 1975-12-13
JPS50150275U (ja) * 1974-05-31 1975-12-13
JPS5141973U (ja) * 1974-09-21 1976-03-29
JPS5147665U (ja) * 1974-10-05 1976-04-08
JPS5199483A (ja) * 1975-02-28 1976-09-02 Fujitsu Ltd
JPS5361176U (ja) * 1976-10-22 1978-05-24

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53118473U (ja) * 1977-02-28 1978-09-20
JPS5659262A (en) * 1979-09-21 1981-05-22 Siemens Ag Contactless recording optical device
JPS5768098A (en) * 1980-10-16 1982-04-26 Mitsubishi Electric Corp Semiconductor laser synthesizer
JPS5784189A (en) * 1980-11-14 1982-05-26 Nec Corp Hybrid integrated optical circuit
JPS57143886A (en) * 1981-02-27 1982-09-06 Fujitsu Ltd Photo-semiconductor device
JPS61174765U (ja) * 1985-04-19 1986-10-30
JP2004512563A (ja) * 2000-10-25 2004-04-22 コミツサリア タ レネルジー アトミーク 特に光学部品を備えるプレートなどの支持部材のパッシブアライメント法および装置

Also Published As

Publication number Publication date
CA1085950A (en) 1980-09-16
US4079404A (en) 1978-03-14
FR2376537A1 (fr) 1978-07-28
FR2376537B1 (ja) 1983-05-06
GB1546984A (en) 1979-06-06
DE2754923A1 (de) 1978-07-06
JPS579713B2 (ja) 1982-02-23

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