JPS5778503A - Mechanical light modulator - Google Patents

Mechanical light modulator

Info

Publication number
JPS5778503A
JPS5778503A JP55154814A JP15481480A JPS5778503A JP S5778503 A JPS5778503 A JP S5778503A JP 55154814 A JP55154814 A JP 55154814A JP 15481480 A JP15481480 A JP 15481480A JP S5778503 A JPS5778503 A JP S5778503A
Authority
JP
Japan
Prior art keywords
space
bending
optical fibers
constant distance
elastically
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
JP55154814A
Other languages
Japanese (ja)
Other versions
JPS5833522B2 (en
Inventor
Akira Wachi
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.)
Ohkura Electric Co Ltd
Original Assignee
Ohkura 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 Ohkura Electric Co Ltd filed Critical Ohkura Electric Co Ltd
Priority to JP55154814A priority Critical patent/JPS5833522B2/en
Publication of JPS5778503A publication Critical patent/JPS5778503A/en
Publication of JPS5833522B2 publication Critical patent/JPS5833522B2/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/02—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the intensity of light

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)

Abstract

PURPOSE:To modulate the quantity of pass light by spacing the part between both end faces of two optical fibers by a constant distance to constitute a light modulating space, and bending this space elastically or bending one of the optical fibers. CONSTITUTION:An input optical fiber 11 and an output optical fiber 12 are inserted spacially by a constant distance in a capillary tube 14, to form a modulating space (between end faces 15, 16 of both fibers) where no optical fibers exist, and this space is elastically bent, whereby the quantity of pass light is modulated. Good results are obtained if the inside wall of the tube 14 is beforehand roughened or blackened with paint. It is equally well to crush the capillary tube in place of bending the same. In lieu of forming the above-mentioned modulating space, it is also possible to modulate the quantity of pass light by removing the clads by a constant distance from the optical fibers in their axial direction, sticking a total reflection preventing material in place of these, and elastically bending these parts.
JP55154814A 1980-11-04 1980-11-04 mechanical light modulator Expired JPS5833522B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55154814A JPS5833522B2 (en) 1980-11-04 1980-11-04 mechanical light modulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55154814A JPS5833522B2 (en) 1980-11-04 1980-11-04 mechanical light modulator

Related Child Applications (3)

Application Number Title Priority Date Filing Date
JP57218775A Division JPS58113716A (en) 1982-12-13 1982-12-13 Karman's vortex street flowmeter
JP21877482A Division JPS58111904A (en) 1982-12-13 1982-12-13 Mechanical optical modulator
JP57218776A Division JPS58113717A (en) 1982-12-13 1982-12-13 Karman's vortex street flowmeter

Publications (2)

Publication Number Publication Date
JPS5778503A true JPS5778503A (en) 1982-05-17
JPS5833522B2 JPS5833522B2 (en) 1983-07-20

Family

ID=15592454

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55154814A Expired JPS5833522B2 (en) 1980-11-04 1980-11-04 mechanical light modulator

Country Status (1)

Country Link
JP (1) JPS5833522B2 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS598709U (en) * 1982-07-07 1984-01-20 トヨタ自動車株式会社 Front milling cutter
JPS5954919A (en) * 1982-09-21 1984-03-29 Ohkura Electric Co Ltd Mechanical light modulating device
JPS5997009A (en) * 1982-11-15 1984-06-04 ユナイテッド・テクノロジ−ズ・コ−ポレイション Transducer measuring flow rate
JPS63163419A (en) * 1986-12-26 1988-07-06 Fuji Rubber Kk Optical matrix membrane switch
JP2010513919A (en) * 2006-12-22 2010-04-30 ネーデルランデ オルガニサティー ヴール トゥーヘパストナツールウェテンスハペライク オンデルズーク テーエヌオー Karman vortex flowmeter assembly with fiber Bragg grating sensor and flow measurement method
JP2016050927A (en) * 2014-09-02 2016-04-11 大阪瓦斯株式会社 Flow rate measurement device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS598709U (en) * 1982-07-07 1984-01-20 トヨタ自動車株式会社 Front milling cutter
JPS5954919A (en) * 1982-09-21 1984-03-29 Ohkura Electric Co Ltd Mechanical light modulating device
JPS5997009A (en) * 1982-11-15 1984-06-04 ユナイテッド・テクノロジ−ズ・コ−ポレイション Transducer measuring flow rate
JPH0454888B2 (en) * 1982-11-15 1992-09-01 Yunaitetsudo Tekunorojiizu Corp
JPS63163419A (en) * 1986-12-26 1988-07-06 Fuji Rubber Kk Optical matrix membrane switch
JP2010513919A (en) * 2006-12-22 2010-04-30 ネーデルランデ オルガニサティー ヴール トゥーヘパストナツールウェテンスハペライク オンデルズーク テーエヌオー Karman vortex flowmeter assembly with fiber Bragg grating sensor and flow measurement method
JP2016050927A (en) * 2014-09-02 2016-04-11 大阪瓦斯株式会社 Flow rate measurement device

Also Published As

Publication number Publication date
JPS5833522B2 (en) 1983-07-20

Similar Documents

Publication Publication Date Title
EP0859248A3 (en) Multi-port optical device
DE2963693D1 (en) Optical connector for connecting a light source with at least one optical transmission line having a cross-section small with respect to the aperture of the light beam issuing from said source
EP0204493A3 (en) Fibre optic coupler
ATE36268T1 (en) MICRO LENS MANUFACTURE.
EP0989424A3 (en) Fiber device having variable refractive index region proximal the core
AU2909489A (en) Optical device
EP0188889A3 (en) Light modulator comprising an optical fibre
DE3170366D1 (en) Optical telecommunication element
JPS5778503A (en) Mechanical light modulator
AU564795B2 (en) Optical cable arrangement
DE3069682D1 (en) Coupling assembly of an optical fibre and a light source and method of assembling the same
SE8001664L (en) SET TO MAKE AN OPTICAL FIBER AND AN OPTICAL FIBER FORM
FI890479A (en) optical waveguides
ES467293A1 (en) Device for tapping scattered light from a joint in an adjustable connector for two optical fibre waveguides
GB1523532A (en) Electric generating device by concentration of solar energy
SE8305310L (en) PANEL INDICATOR
SE8201182L (en) DEVICE FOR TRANSFER AND DISTRIBUTION OF LIGHT RADIATION
JPS5456850A (en) Optical branching circuit
JPS57161661A (en) Measuring device by use of optical fiber
JPS5374084A (en) Measuring method for refractive index distribution of optical transmission path
JPS54100752A (en) Optical device
JPS55105209A (en) Variable type optical directional coupler
EP1243963A3 (en) Variable optical attenuator using waveguide modification
JPS5429656A (en) Optical fiber directivity coupler
JPS5435757A (en) Measuring method of refractive index distribution of optical fibers