FR2441859B1 - Melangeur de modes pour guides d'ondes optiques et dispositif d'essais - Google Patents
Melangeur de modes pour guides d'ondes optiques et dispositif d'essaisInfo
- Publication number
- FR2441859B1 FR2441859B1 FR7928302A FR7928302A FR2441859B1 FR 2441859 B1 FR2441859 B1 FR 2441859B1 FR 7928302 A FR7928302 A FR 7928302A FR 7928302 A FR7928302 A FR 7928302A FR 2441859 B1 FR2441859 B1 FR 2441859B1
- Authority
- FR
- France
- Prior art keywords
- test device
- optical waveguides
- model mixer
- mixer
- model
- 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.)
- Expired
Links
- 230000003287 optical effect Effects 0.000 title 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/14—Mode converters
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
- G02B6/2808—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using a mixing element which evenly distributes an input signal over a number of outputs
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2581—Multimode transmission
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Integrated Circuits (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Waveguides (AREA)
- Optical Couplings Of Light Guides (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/961,663 US4229067A (en) | 1978-11-17 | 1978-11-17 | Optical waveguide mode scrambler |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2441859A1 FR2441859A1 (fr) | 1980-06-13 |
FR2441859B1 true FR2441859B1 (fr) | 1985-11-08 |
Family
ID=25504819
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7928302A Expired FR2441859B1 (fr) | 1978-11-17 | 1979-11-16 | Melangeur de modes pour guides d'ondes optiques et dispositif d'essais |
Country Status (11)
Country | Link |
---|---|
US (1) | US4229067A (fr) |
JP (1) | JPS5573005A (fr) |
AT (1) | AT384113B (fr) |
BE (1) | BE880092A (fr) |
CA (1) | CA1135547A (fr) |
DE (1) | DE2944977C2 (fr) |
FR (1) | FR2441859B1 (fr) |
GB (1) | GB2035600B (fr) |
IT (1) | IT1125813B (fr) |
NL (1) | NL7908401A (fr) |
SE (1) | SE443243B (fr) |
Families Citing this family (59)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS593903B2 (ja) * | 1978-09-29 | 1984-01-26 | 静岡大学長 | 外部高誘電率型集束型光フアイバとモ−ドフイルタを用いた超広帯域光伝送方式 |
GB2101763B (en) * | 1981-07-16 | 1985-01-30 | Standard Telephones Cables Ltd | Delay equalisation for single mode fibres |
US4475789A (en) * | 1981-11-09 | 1984-10-09 | Canadian Patents & Development Limited | Optical fiber power tap |
DE3218014A1 (de) * | 1982-05-13 | 1984-02-02 | ANT Nachrichtentechnik GmbH, 7150 Backnang | Verfahren zur erweiterung der numerischen apertur einer lichtquelle |
JPS59111103A (ja) * | 1982-12-15 | 1984-06-27 | Furukawa Electric Co Ltd:The | 光フアイバの伝送損失、伝送帯域測定用入射光伝送路 |
JPS59122902A (ja) * | 1982-12-28 | 1984-07-16 | Toshiba Corp | 光応用センサ装置 |
US4676594A (en) * | 1984-11-16 | 1987-06-30 | American Telephone And Telegraph Company | Optical fiber mode scrambler |
US4701011A (en) * | 1985-01-15 | 1987-10-20 | American Telephone And Telegraph Company, At&T Bell Laboratories | Multimode fiber-lens optical coupler |
JPS6215430A (ja) * | 1985-07-15 | 1987-01-23 | Fujitsu Ltd | 光フアイバ測定装置 |
NL8502625A (nl) * | 1985-09-26 | 1987-04-16 | Philips Nv | Optisch transmissiesysteem bevattende een stralingsbron en een meervoudig beklede monomode optische transmissievezel met een negatieve stap in het brekingsindexprofiel. |
US4768853A (en) * | 1986-08-08 | 1988-09-06 | Corning Glass Works | Optical fiber dispersion transformer |
US4822126A (en) * | 1987-05-21 | 1989-04-18 | Amphenol Corporation | Wavelength independent coupler and method of manufacture thereof |
US4934787A (en) * | 1988-08-02 | 1990-06-19 | Mitsubishi Rayon Co., Ltd. | Mode scrambler |
US4859015A (en) * | 1988-08-17 | 1989-08-22 | The Boeing Company | Optical receiver having optical gain medium and mode selector |
US5077815A (en) * | 1988-09-30 | 1991-12-31 | Fujitsu Limited | Apparatus for optically connecting a single-mode optical fiber to a multi-mode optical fiber |
JPH02120706A (ja) * | 1988-10-31 | 1990-05-08 | Sumitomo Electric Ind Ltd | 光通信路 |
GB2227832A (en) * | 1989-02-06 | 1990-08-08 | Hamamatsu Photonics Kk | Optical examination apparatus |
US5054878A (en) * | 1990-06-04 | 1991-10-08 | Conoco Inc. | Device for source compensating a fiber optic coupler output |
US5138675A (en) * | 1991-06-12 | 1992-08-11 | Digital Equipment Corporation | Mode scrambler as an optical isolator for higher-coherence lasers in multi-mode fiber plants |
US5754716A (en) * | 1992-02-07 | 1998-05-19 | Baxter International Inc. | Optical mode mixer using fiber optic bundle |
FR2707285B1 (fr) * | 1993-07-06 | 1995-08-11 | Alcatel Fibres Optiques | Préforme pour fibre optique, procédé de fabrication d'une telle préforme et fibre optique obtenue à partir de cette préforme. |
US5546485A (en) * | 1993-12-20 | 1996-08-13 | At&T Corp. | Repeater for soliton transmission system using sliding-frequency guiding filter |
US5815611A (en) * | 1995-08-11 | 1998-09-29 | The Research Foundation Of State University Of New York | Method and apparatus for submicroscopic particle sizing, and probe therefor |
US5641956A (en) * | 1996-02-02 | 1997-06-24 | F&S, Inc. | Optical waveguide sensor arrangement having guided modes-non guided modes grating coupler |
US5917788A (en) * | 1997-03-10 | 1999-06-29 | Seagate Technology, Inc. | Lens for optical data storage system |
US6101155A (en) * | 1997-08-14 | 2000-08-08 | Seagate Technology, Inc. | Lens for optical data storage system |
US6327241B1 (en) | 1997-04-08 | 2001-12-04 | Seagate Technology Llc | Optical data storage system with lens mount |
WO1998052193A1 (fr) * | 1997-05-15 | 1998-11-19 | Seagate Technology, Inc. | Systeme de memorisation de donnees a disque optique utilisant un guide d'ondes optiques |
US5870362A (en) | 1997-06-20 | 1999-02-09 | Seagate Technology, Inc. | Slider for optical disc data storage system |
US5831797A (en) * | 1997-07-23 | 1998-11-03 | Seagate Technology, Inc. | Slider with mesa for optical disc data storage system |
US6445447B1 (en) | 1997-10-27 | 2002-09-03 | Seagate Technology Llc | Near field optical certifying head for disc asperity mapping |
WO1999022471A1 (fr) * | 1997-10-27 | 1999-05-06 | Corning Incorporated | Compensateur de dispersion de fibres de liaison optique multimode |
US6023378A (en) * | 1998-01-20 | 2000-02-08 | Seagate Technology, Inc. | Optical data storage system with improved head lens assembly |
US6688743B1 (en) | 1998-02-17 | 2004-02-10 | Seagate Technology | Method and apparatus to determine fly height of a recording head |
US6084846A (en) * | 1998-06-03 | 2000-07-04 | Seagate Technology, Inc. | Liquid immersion lens for optical data storage |
US6201237B1 (en) | 1998-12-18 | 2001-03-13 | Corning Incorporated | Fiber optic sensor |
US6901221B1 (en) | 1999-05-27 | 2005-05-31 | Jds Uniphase Corporation | Method and apparatus for improved optical elements for vertical PCB fiber optic modules |
US6873800B1 (en) | 1999-05-26 | 2005-03-29 | Jds Uniphase Corporation | Hot pluggable optical transceiver in a small form pluggable package |
US7013088B1 (en) | 1999-05-26 | 2006-03-14 | Jds Uniphase Corporation | Method and apparatus for parallel optical interconnection of fiber optic transmitters, receivers and transceivers |
US6632030B2 (en) | 1999-05-27 | 2003-10-14 | E20 Communications, Inc. | Light bending optical block for fiber optic modules |
US20020030872A1 (en) * | 1999-05-27 | 2002-03-14 | Edwin Dair | Method and apparatus for multiboard fiber optic modules and fiber optic module arrays |
US20020033979A1 (en) * | 1999-05-27 | 2002-03-21 | Edwin Dair | Method and apparatus for multiboard fiber optic modules and fiber optic module arrays |
US20040069997A1 (en) * | 1999-05-27 | 2004-04-15 | Edwin Dair | Method and apparatus for multiboard fiber optic modules and fiber optic module arrays |
US7116912B2 (en) * | 1999-05-27 | 2006-10-03 | Jds Uniphase Corporation | Method and apparatus for pluggable fiber optic modules |
US6952532B2 (en) * | 1999-05-27 | 2005-10-04 | Jds Uniphase Corporation | Method and apparatus for multiboard fiber optic modules and fiber optic module arrays |
US20010048793A1 (en) * | 1999-05-27 | 2001-12-06 | Edwin Dair | Method and apparatus for multiboard fiber optic modules and fiber optic module arrays |
US20010030789A1 (en) * | 1999-05-27 | 2001-10-18 | Wenbin Jiang | Method and apparatus for fiber optic modules |
US6459832B1 (en) * | 2000-11-28 | 2002-10-01 | Nortel Networks Limited | Method and apparatus for optical signal transmission using multiple sub-signals of non-uniform bandwidth |
JP3794327B2 (ja) * | 2002-01-15 | 2006-07-05 | 日本電気株式会社 | 光結合器及びその製造方法 |
USRE44472E1 (en) * | 2002-04-22 | 2013-09-03 | Pertex Telecommunication Llc | Extended source transmitter for free space optical communication systems |
US6801687B2 (en) * | 2002-08-22 | 2004-10-05 | Terabeam Corporation | Apparatus and method for generating a mode-scrambled optical signal using a VCSEL array |
US6963062B2 (en) * | 2003-04-07 | 2005-11-08 | Eksigent Technologies, Llc | Method for multiplexed optical detection including a multimode optical fiber in which propagation modes are coupled |
JP4905359B2 (ja) * | 2006-01-11 | 2012-03-28 | オムロン株式会社 | 光ケーブルモジュール及びそれを用いた機器 |
GB0701093D0 (en) * | 2007-01-19 | 2007-02-28 | Point Source Ltd | Methods and apparatus for use with optical fibres |
US9069183B2 (en) | 2011-09-28 | 2015-06-30 | Applied Materials, Inc. | Apparatus and method for speckle reduction in laser processing equipment |
TWI642507B (zh) * | 2011-12-16 | 2018-12-01 | 應用材料股份有限公司 | 用於雷射處理設備的輻射源及多重光束組合器 |
US9036137B2 (en) * | 2012-05-07 | 2015-05-19 | Fluke Corporation | Optical light source with controlled launch conditions |
GB2585781B (en) * | 2018-02-27 | 2021-12-15 | Adamant Namiki Prec Jewel Co Ltd | Mode controller |
US11054584B2 (en) | 2019-11-18 | 2021-07-06 | Corning Research & Development Corporation | Mode coupling connector systems for multimode multicore optical fibers |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3756688A (en) * | 1972-03-30 | 1973-09-04 | Corning Glass Works | Metallized coupler for optical waveguide light source |
JPS4910058A (fr) * | 1972-03-30 | 1974-01-29 | ||
JPS49102356A (fr) * | 1973-01-30 | 1974-09-27 | ||
US3829195A (en) * | 1973-06-25 | 1974-08-13 | Bell Telephone Labor Inc | Optical couplers |
GB1441369A (en) * | 1974-05-07 | 1976-06-30 | Plessey Co Ltd | Optical fibre transmission compensator |
US3937557A (en) * | 1974-11-29 | 1976-02-10 | The United States Of America As Represented By The Secretary Of The Navy | Star coupler for single mode fiber communication systems |
US4140505A (en) * | 1976-07-12 | 1979-02-20 | International Standard Electric Corporation | Method of manufacturing a limited mode optical fiber |
IT1081230B (it) * | 1976-05-10 | 1985-05-16 | Cselt Centro Studi Lab Telecom | Equalizzatore ottico con indice di rifrazione graduale per trasmissione di segnali su guide ottiche multimodo |
JPS53131056A (en) * | 1977-04-21 | 1978-11-15 | Aloka Co Ltd | Method of seeing x ray penetrative image in three dimensional way |
-
1978
- 1978-11-17 US US05/961,663 patent/US4229067A/en not_active Expired - Lifetime
-
1979
- 1979-09-24 CA CA000336250A patent/CA1135547A/fr not_active Expired
- 1979-11-07 DE DE2944977A patent/DE2944977C2/de not_active Expired
- 1979-11-08 GB GB7938792A patent/GB2035600B/en not_active Expired
- 1979-11-09 AT AT0720779A patent/AT384113B/de not_active IP Right Cessation
- 1979-11-15 SE SE7909438A patent/SE443243B/sv not_active IP Right Cessation
- 1979-11-16 FR FR7928302A patent/FR2441859B1/fr not_active Expired
- 1979-11-16 IT IT27335/79A patent/IT1125813B/it active
- 1979-11-16 BE BE0/198156A patent/BE880092A/fr not_active IP Right Cessation
- 1979-11-16 NL NL7908401A patent/NL7908401A/nl not_active Application Discontinuation
- 1979-11-16 JP JP14942479A patent/JPS5573005A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
SE7909438L (sv) | 1980-05-18 |
CA1135547A (fr) | 1982-11-16 |
SE443243B (sv) | 1986-02-17 |
BE880092A (fr) | 1980-05-16 |
DE2944977C2 (de) | 1985-07-18 |
ATA720779A (de) | 1987-02-15 |
GB2035600A (en) | 1980-06-18 |
DE2944977A1 (de) | 1980-05-29 |
US4229067A (en) | 1980-10-21 |
AT384113B (de) | 1987-10-12 |
GB2035600B (en) | 1982-09-15 |
IT7927335A0 (it) | 1979-11-16 |
JPS5573005A (en) | 1980-06-02 |
JPS5748764B2 (fr) | 1982-10-18 |
FR2441859A1 (fr) | 1980-06-13 |
NL7908401A (nl) | 1980-05-20 |
IT1125813B (it) | 1986-05-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |