JPS6216404B2 - - Google Patents

Info

Publication number
JPS6216404B2
JPS6216404B2 JP57078724A JP7872482A JPS6216404B2 JP S6216404 B2 JPS6216404 B2 JP S6216404B2 JP 57078724 A JP57078724 A JP 57078724A JP 7872482 A JP7872482 A JP 7872482A JP S6216404 B2 JPS6216404 B2 JP S6216404B2
Authority
JP
Japan
Prior art keywords
filter
optical signal
optical fiber
transmission
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.)
Expired
Application number
JP57078724A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58194011A (ja
Inventor
Hiroshi Toba
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

    • 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
    • G02B6/293—Optical 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
    • G02B6/29304—Optical 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
    • G02B6/29305—Optical 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
    • G02B6/2931—Diffractive element operating in reflection
    • 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
    • G02B6/293—Optical 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
    • G02B6/29346—Optical 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
    • G02B6/29361—Interference filters, e.g. multilayer coatings, thin film filters, dichroic splitters or mirrors based on multilayers, WDM filters
    • G02B6/2937—In 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
    • 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
    • G02B6/293—Optical 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
    • G02B6/29379—Optical 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
    • G02B6/2938—Optical 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 JPS58194011A (ja) 1983-11-11
JPS6216404B2 true 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)

Families Citing this family (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

Family Cites Families (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

Also Published As

Publication number Publication date
JPS58194011A (ja) 1983-11-11

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