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JPS56110908A - Wave combination and distribution method of optical signal for optical multiplex communication - Google Patents

Wave combination and distribution method of optical signal for optical multiplex communication

Info

Publication number
JPS56110908A
JPS56110908A JP1463180A JP1463180A JPS56110908A JP S56110908 A JPS56110908 A JP S56110908A JP 1463180 A JP1463180 A JP 1463180A JP 1463180 A JP1463180 A JP 1463180A JP S56110908 A JPS56110908 A JP S56110908A
Authority
JP
Japan
Prior art keywords
horizontal
input signals
rays
slit
vertical
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
JP1463180A
Other languages
Japanese (ja)
Inventor
Takumi Tomijima
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP1463180A priority Critical patent/JPS56110908A/en
Publication of JPS56110908A publication Critical patent/JPS56110908A/en
Pending 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
    • G02B6/29307—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 components assembled in or forming a solid transparent unitary block, e.g. for facilitating component alignment
    • 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
    • G02B6/29379—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 Communication System (AREA)

Abstract

PURPOSE:To realize a multiplication of wavelength for a number of input signals and a distribution of input signals to a number of optical fibers, by putting the rays having different wavelengths with different incident angles into a solidified and diffusing optical system having a difference between the horizontal and vertical focuses and then extracting those rays through a single slit. CONSTITUTION:A difference is secured between the horizontal and vertical focuses by using the collimator 3 and telemeter 4 for a concave mirror and cylindrical mirror, respectivelly thus, obtaining a solidified and diffused optical system. Then the rays given from the light source string 2 consisting of independent light sources having different wavelengths are made incident to the diffraction grating 1 via the collimator 3 and with different incident angles each. Then the reflected rays of the telemeter 4 which become parallel to each other on a vertical surface are extracted through the single slit 5 that is perpendicular to the horizontal plane at the horizontal focus with a limited width. Thus the light waves of different wavelengths are combined together. Furthermore, the light at each point on the slit caused by a difference between the horizontal and vertical focuses can be distributed to the optical fiber row 6 arranged on the vertical surface and along the slit. As a result, multiplexing of wavelengths is possible for a number of input signals, and then these input signals can be sent evenly into a number of optical fibers.
JP1463180A 1980-02-06 1980-02-06 Wave combination and distribution method of optical signal for optical multiplex communication Pending JPS56110908A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1463180A JPS56110908A (en) 1980-02-06 1980-02-06 Wave combination and distribution method of optical signal for optical multiplex communication

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1463180A JPS56110908A (en) 1980-02-06 1980-02-06 Wave combination and distribution method of optical signal for optical multiplex communication

Publications (1)

Publication Number Publication Date
JPS56110908A true JPS56110908A (en) 1981-09-02

Family

ID=11866538

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1463180A Pending JPS56110908A (en) 1980-02-06 1980-02-06 Wave combination and distribution method of optical signal for optical multiplex communication

Country Status (1)

Country Link
JP (1) JPS56110908A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6095508A (en) * 1983-10-31 1985-05-28 Nec Corp Diffraction grating type optical multiplexer
WO2004001485A1 (en) * 2002-06-25 2003-12-31 Nikon Corporation Optical processing system
EP1413078A1 (en) * 2001-07-06 2004-04-28 Arroyo Optics Inc. Diffractive fourier optics for optical communications

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6095508A (en) * 1983-10-31 1985-05-28 Nec Corp Diffraction grating type optical multiplexer
EP1413078A1 (en) * 2001-07-06 2004-04-28 Arroyo Optics Inc. Diffractive fourier optics for optical communications
EP1413078A4 (en) * 2001-07-06 2005-11-09 Arroyo Optics Inc Diffractive fourier optics for optical communications
WO2004001485A1 (en) * 2002-06-25 2003-12-31 Nikon Corporation Optical processing system

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