JPS6213642B2 - - Google Patents

Info

Publication number
JPS6213642B2
JPS6213642B2 JP54162497A JP16249779A JPS6213642B2 JP S6213642 B2 JPS6213642 B2 JP S6213642B2 JP 54162497 A JP54162497 A JP 54162497A JP 16249779 A JP16249779 A JP 16249779A JP S6213642 B2 JPS6213642 B2 JP S6213642B2
Authority
JP
Japan
Prior art keywords
optical fiber
optical
variable attenuator
distance
core
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
JP54162497A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5685702A (en
Inventor
Shigefumi Masuda
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP16249779A priority Critical patent/JPS5685702A/ja
Publication of JPS5685702A publication Critical patent/JPS5685702A/ja
Publication of JPS6213642B2 publication Critical patent/JPS6213642B2/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
    • G02B6/264—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)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
JP16249779A 1979-12-14 1979-12-14 Variable attenuator Granted JPS5685702A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16249779A JPS5685702A (en) 1979-12-14 1979-12-14 Variable attenuator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16249779A JPS5685702A (en) 1979-12-14 1979-12-14 Variable attenuator

Publications (2)

Publication Number Publication Date
JPS5685702A JPS5685702A (en) 1981-07-13
JPS6213642B2 true JPS6213642B2 (enrdf_load_stackoverflow) 1987-03-27

Family

ID=15755738

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16249779A Granted JPS5685702A (en) 1979-12-14 1979-12-14 Variable attenuator

Country Status (1)

Country Link
JP (1) JPS5685702A (enrdf_load_stackoverflow)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2533323A1 (fr) * 1982-09-17 1984-03-23 Thomson Csf Dispositif attenuateur optique variable
JPS60133413A (ja) * 1983-12-21 1985-07-16 Matsushita Electric Ind Co Ltd 光減衰器
JPS60173908U (ja) * 1984-04-27 1985-11-18 日立電線株式会社 クラツデイングモ−ド除去偏波面保存光フアイバ
JPH01255803A (ja) * 1988-04-06 1989-10-12 Nec Corp 光固定減衰器
US5050956A (en) * 1990-09-20 1991-09-24 Hunter Associates Laboratory Inc. Optical fiber attenuator and connecting element
US6621951B1 (en) 2000-06-27 2003-09-16 Oluma, Inc. Thin film structures in devices with a fiber on a substrate
US6501875B2 (en) 2000-06-27 2002-12-31 Oluma, Inc. Mach-Zehnder inteferometers and applications based on evanescent coupling through side-polished fiber coupling ports
US6625349B2 (en) 2000-06-27 2003-09-23 Oluma, Inc. Evanescent optical coupling between a waveguide formed on a substrate and a side-polished fiber
US6597833B1 (en) 2000-06-27 2003-07-22 Oluma, Inc. Wavelength-division multiplexers and demultiplexers based on mach-zehnder interferometers and evanescent coupling
US6516114B2 (en) 2000-06-27 2003-02-04 Oluma, Inc. Integration of fibers on substrates fabricated with grooves
US6490391B1 (en) 2000-07-12 2002-12-03 Oluma, Inc. Devices based on fibers engaged to substrates with grooves
US6571035B1 (en) 2000-08-10 2003-05-27 Oluma, Inc. Fiber optical switches based on optical evanescent coupling between two fibers
US6621952B1 (en) 2000-08-10 2003-09-16 Oluma, Inc. In-fiber variable optical attenuators and modulators using index-changing liquid media
US6542663B1 (en) 2000-09-07 2003-04-01 Oluma, Inc. Coupling control in side-polished fiber devices
GB0219794D0 (en) * 2002-08-23 2002-10-02 Alcatel Optronics Uk Ltd A variable optical attenuator
DE102022206728A1 (de) * 2022-06-30 2024-01-04 Micro-Epsilon Optronic Gmbh Einrichtung zur Leitung von spektral zu analysierendem Messlicht und Verfahren zur Herstellung einer solchen Einrichtung sowie Vorrichtung zur Abstands- und Dickenmessung

Also Published As

Publication number Publication date
JPS5685702A (en) 1981-07-13

Similar Documents

Publication Publication Date Title
JPS6213642B2 (enrdf_load_stackoverflow)
EP0192164B1 (en) Optical coupling device
US4893889A (en) Optical attenuator
US5684905A (en) Fiber optic plate for making pattern image incident on photosensor
US5490227A (en) Light receiving module for SCM transmission
GB2138165A (en) Optical fibre comprising buffer layer containing particulate material
GB2116390A (en) Arrangement for transmitting signals between two parts rotatable with respect to one another
CN112698451B (zh) 一种光模块
US4600267A (en) Optical distributor
EP0089758A2 (en) Optical fibre attenuators
US5903694A (en) Fiber optics device
JPS60178329A (ja) 光フアイバ式温度検出器
JP3219781B2 (ja) 光回路
KR980010468A (ko) 광섬유 감쇠기
US5037171A (en) Optical fiber coupling structure
KR970001547Y1 (ko) 광 감쇠 기능을 갖는 콜리메이터
JP2865491B2 (ja) 光ファイバ型減衰器
JPS5933404A (ja) 光減衰器
JPS6037523Y2 (ja) 光フアイバ固定減衰器
JPS6051684B2 (ja) 光フアイバ用光分配・光結合器
JPS5913723B2 (ja) 光ファイバコネクタ
US5623369A (en) Optical splitter
JPS6138444B2 (enrdf_load_stackoverflow)
KR970002732B1 (ko) 광 감쇠기
JPH01225907A (ja) 光カプラモジュール