HK1019485A1 - An optical element and optical filter, optical sensor, optical switch element and optical coupler including the same - Google Patents

An optical element and optical filter, optical sensor, optical switch element and optical coupler including the same

Info

Publication number
HK1019485A1
HK1019485A1 HK99104540A HK99104540A HK1019485A1 HK 1019485 A1 HK1019485 A1 HK 1019485A1 HK 99104540 A HK99104540 A HK 99104540A HK 99104540 A HK99104540 A HK 99104540A HK 1019485 A1 HK1019485 A1 HK 1019485A1
Authority
HK
Hong Kong
Prior art keywords
optical
same
coupler including
filter
sensor
Prior art date
Application number
HK99104540A
Other languages
English (en)
Inventor
Leif Stensland
Georges Borak
Torsten Augustsson
Mats Granberg
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of HK1019485A1 publication Critical patent/HK1019485A1/xx

Links

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
    • G02B6/24—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
    • G02B6/2813—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 based on multimode interference effect, i.e. self-imaging
    • 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
    • G02B6/42—Coupling light guides with opto-electronic elements
    • 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
    • G02B6/02—Optical fibres with cladding with or without a coating

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Optical Integrated Circuits (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
HK99104540A 1996-03-22 1999-10-14 An optical element and optical filter, optical sensor, optical switch element and optical coupler including the same HK1019485A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9601113A SE507445C2 (sv) 1996-03-22 1996-03-22 Optiskt element
PCT/SE1997/000511 WO1997035220A1 (en) 1996-03-22 1997-03-24 An optical element

Publications (1)

Publication Number Publication Date
HK1019485A1 true HK1019485A1 (en) 2000-02-11

Family

ID=20401909

Family Applications (1)

Application Number Title Priority Date Filing Date
HK99104540A HK1019485A1 (en) 1996-03-22 1999-10-14 An optical element and optical filter, optical sensor, optical switch element and optical coupler including the same

Country Status (10)

Country Link
US (1) US6222960B1 (zh)
EP (1) EP1010024B1 (zh)
JP (1) JP4217276B2 (zh)
KR (1) KR100448325B1 (zh)
CN (1) CN1136464C (zh)
AU (1) AU2314497A (zh)
CA (1) CA2250328C (zh)
HK (1) HK1019485A1 (zh)
SE (1) SE507445C2 (zh)
WO (1) WO1997035220A1 (zh)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3251211B2 (ja) * 1997-08-18 2002-01-28 日本電気株式会社 半導体受光器
US20020023123A1 (en) * 1999-07-26 2002-02-21 Justin P. Madison Geographic data locator
ATE418743T1 (de) * 2001-03-30 2009-01-15 Ocg Technology Licensing Llc Ringkernfaser
US7373043B2 (en) * 2005-11-16 2008-05-13 Northrop Grumman Corporation Image detection using multimode fiber amplifier
US7668419B2 (en) * 2006-10-23 2010-02-23 Weatherford/Lamb, Inc. Evanescent sensor using a hollow-core ring mode waveguide
WO2009022164A1 (en) * 2007-08-10 2009-02-19 Bae Systems Plc Improvements relating to photonic crystal waveguides
CN101393302B (zh) * 2007-09-20 2016-08-03 杨春足 光导光纤及其同轴半导体光源与检光器共构的光导系统
WO2010045366A1 (en) * 2008-10-17 2010-04-22 The Arizona Board Of Regents On Behalf Of The University Of Arizona Apparatus and method of generating nearly non-diffracting beams from multimode optical fibers
GB0904476D0 (en) 2009-03-16 2009-04-29 Bookham Technology Plc Ridge waveguide serial interferometers
US8509581B2 (en) * 2011-03-05 2013-08-13 Alcatel Lucent Optical fibers with tubular optical cores

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3633035A (en) * 1968-11-16 1972-01-04 Nippon Selfoc Co Ltd Multiplexed optical communications system
FR2285623A1 (fr) * 1974-09-20 1976-04-16 Max Planck Gesellschaft Dispositif auto-formateur d'images, comportant un guide d'ondes
US4205901A (en) * 1975-07-17 1980-06-03 International Standard Electric Corporation Limited mode optical fiber
US4127320A (en) * 1977-06-29 1978-11-28 Bell Telephone Laboratories, Incorporated Multimode optical modulator/switch
JPS5756814A (en) * 1980-09-22 1982-04-05 Fujitsu Ltd Photocoupler
JPS5824110A (ja) * 1981-08-06 1983-02-14 Nippon Telegr & Teleph Corp <Ntt> 円形スタ−カプラ−
JPH065329B2 (ja) 1984-04-24 1994-01-19 住友電気工業株式会社 多モード光ファイバのモード選択励振方法
US4701011A (en) * 1985-01-15 1987-10-20 American Telephone And Telegraph Company, At&T Bell Laboratories Multimode fiber-lens optical coupler
US4688882A (en) * 1985-02-11 1987-08-25 Canadian Instrumentation And Research Limited Optical contact evanescent wave fiber optic coupler
DE3720929A1 (de) * 1987-06-25 1989-01-05 Philips Patentverwaltung Nichtreziprokes optisches bauelement, insbesondere zur verwendung als isolator oder zirkulator
GB2207525A (en) * 1987-07-30 1989-02-01 Stc Plc Single mode multiport couplers using annular mixer guide
JP2764263B2 (ja) * 1987-09-16 1998-06-11 セイコーインスツルメンツ株式会社 波長フィルタ
FR2644593B1 (fr) 1989-03-16 1991-05-17 Comp Generale Electricite Fibre optique pour la conversion de frequence
CA2153153A1 (en) * 1993-11-04 1995-05-11 Pierre-Andre Besse Process for altering the intensity and phase ratios in multi-mode interference couplers
DE69429448T2 (de) * 1993-11-12 2002-07-25 British Telecommunications P.L.C., London Optisches filter

Also Published As

Publication number Publication date
KR20000064620A (ko) 2000-11-06
SE9601113L (sv) 1997-09-23
CA2250328C (en) 2007-01-16
US6222960B1 (en) 2001-04-24
EP1010024A1 (en) 2000-06-21
EP1010024B1 (en) 2013-01-02
AU2314497A (en) 1997-10-10
CN1136464C (zh) 2004-01-28
SE9601113D0 (sv) 1996-03-22
KR100448325B1 (ko) 2004-12-03
JP2000506999A (ja) 2000-06-06
CA2250328A1 (en) 1997-09-25
SE507445C2 (sv) 1998-06-08
CN1214121A (zh) 1999-04-14
JP4217276B2 (ja) 2009-01-28
WO1997035220A1 (en) 1997-09-25

Similar Documents

Publication Publication Date Title
EP0677731A3 (en) Optical sensor arrangement.
GB9702051D0 (en) An optical fibre sensor element
ZA96155B (en) Filter element.
DE69714112D1 (de) Oxidsensor
HK1012867A1 (en) Circuit-integrating light-receiving element
ZA974451B (en) Optic position sensor.
AU3359597A (en) Tubular switch and device for connecting the switch
GB9723882D0 (en) Prism and optical pickup using the same
ZA975280B (en) Filter.
EP0696739A3 (en) Optical probe
HK1019485A1 (en) An optical element and optical filter, optical sensor, optical switch element and optical coupler including the same
EP0720005A3 (en) Optical sensor
HK1002663A1 (en) Pyroelectric-type ir receiving element and ir sensor using the same
GB2309298B (en) Optical sensing
ZA971676B (en) Filter.
PL322264A1 (en) Sensing element
HUP0001119A3 (en) Filter element
ZA973275B (en) Fluoroionophores and their use in optical sensors.
AUPN940996A0 (en) Cladding element
GB2293007B (en) Waveguide sensor
GB9412913D0 (en) An improved optical sensor
FI962815A0 (fi) Duplex-filter
GB9413179D0 (en) Optical sensors
PL106105U1 (en) Membrane incorporating device
TW301403U (en) Nonlinear flow sensor

Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20160324