JPS58194011A - 双方向伝送用光分波器 - Google Patents

双方向伝送用光分波器

Info

Publication number
JPS58194011A
JPS58194011A JP7872482A JP7872482A JPS58194011A JP S58194011 A JPS58194011 A JP S58194011A JP 7872482 A JP7872482 A JP 7872482A JP 7872482 A JP7872482 A JP 7872482A JP S58194011 A JPS58194011 A JP S58194011A
Authority
JP
Japan
Prior art keywords
filter
transmission
optical
optical fiber
lens
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
JP7872482A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6216404B2 (enrdf_load_stackoverflow
Inventor
Hiroshi Toba
弘 鳥羽
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone 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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP7872482A priority Critical patent/JPS58194011A/ja
Publication of JPS58194011A publication Critical patent/JPS58194011A/ja
Publication of JPS6216404B2 publication Critical patent/JPS6216404B2/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
    • G02B6/28Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29304Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by diffraction, e.g. grating
    • G02B6/29305Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by diffraction, e.g. grating as bulk element, i.e. free space arrangement external to a light guide
    • G02B6/2931Diffractive element operating in reflection
    • 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
    • G02B6/28Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29346Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by wave or beam interference
    • G02B6/29361Interference filters, e.g. multilayer coatings, thin film filters, dichroic splitters or mirrors based on multilayers, WDM filters
    • G02B6/2937In line lens-filtering-lens devices, i.e. elements arranged along a line and mountable in a cylindrical package for compactness, e.g. 3- port device with GRIN lenses sandwiching a single filter operating at normal incidence in a tubular package
    • 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
    • G02B6/28Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29379Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device
    • G02B6/2938Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device for multiplexing or demultiplexing, i.e. combining or separating wavelengths, e.g. 1xN, NxM

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Couplings Of Light Guides (AREA)
JP7872482A 1982-05-10 1982-05-10 双方向伝送用光分波器 Granted JPS58194011A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7872482A JPS58194011A (ja) 1982-05-10 1982-05-10 双方向伝送用光分波器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7872482A JPS58194011A (ja) 1982-05-10 1982-05-10 双方向伝送用光分波器

Publications (2)

Publication Number Publication Date
JPS58194011A true JPS58194011A (ja) 1983-11-11
JPS6216404B2 JPS6216404B2 (enrdf_load_stackoverflow) 1987-04-13

Family

ID=13669825

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7872482A Granted JPS58194011A (ja) 1982-05-10 1982-05-10 双方向伝送用光分波器

Country Status (1)

Country Link
JP (1) JPS58194011A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01129211A (ja) * 1987-11-13 1989-05-22 Matsushita Electric Ind Co Ltd 双方向光チューナ
JPH01142505A (ja) * 1987-11-27 1989-06-05 Matsushita Electric Ind Co Ltd 双方向光チューナ

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5617305A (en) * 1979-07-20 1981-02-19 Matsushita Electric Ind Co Ltd Light branching coupler
JPS5640804A (en) * 1979-09-13 1981-04-17 Nippon Telegr & Teleph Corp <Ntt> Optical branching filter
JPS5882219A (ja) * 1981-11-12 1983-05-17 Nec Corp 光波長分波器

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5617305A (en) * 1979-07-20 1981-02-19 Matsushita Electric Ind Co Ltd Light branching coupler
JPS5640804A (en) * 1979-09-13 1981-04-17 Nippon Telegr & Teleph Corp <Ntt> Optical branching filter
JPS5882219A (ja) * 1981-11-12 1983-05-17 Nec Corp 光波長分波器

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01129211A (ja) * 1987-11-13 1989-05-22 Matsushita Electric Ind Co Ltd 双方向光チューナ
JPH01142505A (ja) * 1987-11-27 1989-06-05 Matsushita Electric Ind Co Ltd 双方向光チューナ

Also Published As

Publication number Publication date
JPS6216404B2 (enrdf_load_stackoverflow) 1987-04-13

Similar Documents

Publication Publication Date Title
US4431258A (en) Optical fiber transmission system and dichroic beam splitter therefor
US5790314A (en) Grin lensed optical device
US4296995A (en) Optical fiber beam splitter couplers employing coatings with dichroic properties
TWI226466B (en) Retro-reflective multi-port filter device with triple-fiber ferrule
JPH0333805A (ja) 光デバイスおよび光フィルター
GB2031145A (en) Bidirectional optical fibre transmission system
JPH1123999A (ja) 光学装置
US6122420A (en) Optical loopback apparatus
CN109782394A (zh) 一种单光纤双向光收发组件
TW531671B (en) Tunable filter applied in optical networks
JPS58194011A (ja) 双方向伝送用光分波器
JPS6046682B2 (ja) 光ビ−ム用光波多重分波回路
JPS5815926Y2 (ja) 複合型光波長分波回路
JPS58149019A (ja) 光合波分波器
JPS61226713A (ja) 光波長多重伝送用光モジユ−ル
US5339373A (en) Optical branching and coupling device
JPS6023809A (ja) 光合分波器
JPS6218888B2 (enrdf_load_stackoverflow)
US6952506B2 (en) Device for adding and dropping optical signals
JP2600507B2 (ja) 光合分波器
JPS61158307A (ja) 光合波・分波器
JPS6050294B2 (ja) 分波装置
TW499584B (en) Wavelength division multiplexer and method of wavelength division
CN210954426U (zh) 一种具有窄通带的光器件
JPH04345102A (ja) 狭帯域フィルタ