JPS542754A - Stationary attenuator for optical fiber communication - Google Patents

Stationary attenuator for optical fiber communication

Info

Publication number
JPS542754A
JPS542754A JP6771077A JP6771077A JPS542754A JP S542754 A JPS542754 A JP S542754A JP 6771077 A JP6771077 A JP 6771077A JP 6771077 A JP6771077 A JP 6771077A JP S542754 A JPS542754 A JP S542754A
Authority
JP
Japan
Prior art keywords
optical fiber
fiber communication
attenuator
stationary
stationary attenuator
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.)
Pending
Application number
JP6771077A
Other languages
Japanese (ja)
Inventor
Takeshi Koseki
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP6771077A priority Critical patent/JPS542754A/en
Publication of JPS542754A publication Critical patent/JPS542754A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • H04B10/2507—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion
    • 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
    • G02B6/264—Optical coupling means with optical elements between opposed fibre ends which perform a function other than beam splitting
    • G02B6/266—Optical coupling means with optical elements between opposed fibre ends which perform a function other than beam splitting the optical element being an attenuator

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Optical Communication System (AREA)

Abstract

PURPOSE:To prohibit the rate of attenuation from having dependency on light power mode distribution and facilitate manufacturing by using a glass fiber shich contains transition metal ions as an attenuating element.
JP6771077A 1977-06-08 1977-06-08 Stationary attenuator for optical fiber communication Pending JPS542754A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6771077A JPS542754A (en) 1977-06-08 1977-06-08 Stationary attenuator for optical fiber communication

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6771077A JPS542754A (en) 1977-06-08 1977-06-08 Stationary attenuator for optical fiber communication

Publications (1)

Publication Number Publication Date
JPS542754A true JPS542754A (en) 1979-01-10

Family

ID=13352778

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6771077A Pending JPS542754A (en) 1977-06-08 1977-06-08 Stationary attenuator for optical fiber communication

Country Status (1)

Country Link
JP (1) JPS542754A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6023802U (en) * 1983-07-26 1985-02-18 三菱電線工業株式会社 optical transmission medium
JPS63313102A (en) * 1987-06-04 1988-12-21 パイアリ・ジェネラル・ピーエルシー Optical fiber attenuator and manufacture thereof
JPH01222205A (en) * 1988-03-01 1989-09-05 Fujitsu Ltd Optical attenuator
EP0764859A1 (en) * 1995-08-25 1997-03-26 SEIKOH GIKEN Co., Ltd. Optical attenuation fiber assembly
EP0783117A2 (en) 1996-01-04 1997-07-09 Nippon Telegraph And Telephone Corporation Optical fibers for optical attenuation
US6097874A (en) * 1997-01-28 2000-08-01 Nec Corporation Optical attenuator

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6023802U (en) * 1983-07-26 1985-02-18 三菱電線工業株式会社 optical transmission medium
JPS63313102A (en) * 1987-06-04 1988-12-21 パイアリ・ジェネラル・ピーエルシー Optical fiber attenuator and manufacture thereof
US4881793A (en) * 1987-06-04 1989-11-21 Pirelli General Plc Optical fibre attenuators and method for making same
AU596004B2 (en) * 1987-06-04 1990-04-12 Pirelli General Plc Optical fibre attenuators
JPH01222205A (en) * 1988-03-01 1989-09-05 Fujitsu Ltd Optical attenuator
EP0764859A1 (en) * 1995-08-25 1997-03-26 SEIKOH GIKEN Co., Ltd. Optical attenuation fiber assembly
US5677976A (en) * 1995-08-25 1997-10-14 Seikoh Giken Co., Ltd. Optical attenuation fiber assembly
EP0783117A2 (en) 1996-01-04 1997-07-09 Nippon Telegraph And Telephone Corporation Optical fibers for optical attenuation
EP0783117A3 (en) * 1996-01-04 2000-03-22 Nippon Telegraph And Telephone Corporation Optical fibers for optical attenuation
US6097874A (en) * 1997-01-28 2000-08-01 Nec Corporation Optical attenuator

Similar Documents

Publication Publication Date Title
ATE19449T1 (en) OPTICAL TRANSMISSION.
ZA763885B (en) Multi-core optical communications fibre
DK220185D0 (en) OPTICAL FIBER CABLE, PROCEDURE FOR MANUFACTURING THE SAME AND COMPOSITION FOR USE THEREOF
JPS542754A (en) Stationary attenuator for optical fiber communication
AU521376B2 (en) Optical communication fibre
JPS5413347A (en) Optical trasmission device
JPS541048A (en) Automatic fusion welding connector of glass fiber core wires for optical communication
JPS533356A (en) Laser interference
JPS5229234A (en) Optical fiber
JPS5278448A (en) Apparatus for manufacturing optical fiber
JPS53133458A (en) Variable attenuator for optical fibers
JPS5441786A (en) Light powr detector
JPS5786802A (en) Optical fiber
JPS52136645A (en) Light attenuator
JPS5434844A (en) Reinforcing method of glass fiber for optical transmission
JPS5282247A (en) Fiber for optical transmission
JPS53106503A (en) Bidirectonal communication unit
JPS53103756A (en) Optical switch
JPS5435757A (en) Measuring method of refractive index distribution of optical fibers
JPS53149346A (en) Connecting method of optical fiber
JPS53106152A (en) Integrated taper type optical conjunction device and preparation therefor
JPS53124458A (en) Optical branching circuit
JPS5235653A (en) Optical fiber line
JPS549952A (en) Optical connector and production of the same
JPS5374084A (en) Measuring method for refractive index distribution of optical transmission path