JPS5413347A - Optical trasmission device - Google Patents

Optical trasmission device

Info

Publication number
JPS5413347A
JPS5413347A JP7874577A JP7874577A JPS5413347A JP S5413347 A JPS5413347 A JP S5413347A JP 7874577 A JP7874577 A JP 7874577A JP 7874577 A JP7874577 A JP 7874577A JP S5413347 A JPS5413347 A JP S5413347A
Authority
JP
Japan
Prior art keywords
optical
trasmission
passages
optical transmission
efficiency
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
JP7874577A
Other languages
Japanese (ja)
Inventor
Katsuji Hattori
Akimoto Serizawa
Tsutomu Tanaka
Yoshinobu Tsujimoto
Shoichi Fukai
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP7874577A priority Critical patent/JPS5413347A/en
Publication of JPS5413347A publication Critical patent/JPS5413347A/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
    • G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
    • G02B6/2852—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using tapping light guides arranged sidewardly, e.g. in a non-parallel relationship with respect to the bus light guides (light extraction or launching through cladding, with or without surface discontinuities, bent structures)

Abstract

PURPOSE:To provide an optical transmission device of high coupling efficiency and low branching efficiency by accomplishing the coupling operation of two optical transmission passages through an insert having a smaller refractive index than the passages.
JP7874577A 1977-06-30 1977-06-30 Optical trasmission device Pending JPS5413347A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7874577A JPS5413347A (en) 1977-06-30 1977-06-30 Optical trasmission device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7874577A JPS5413347A (en) 1977-06-30 1977-06-30 Optical trasmission device

Publications (1)

Publication Number Publication Date
JPS5413347A true JPS5413347A (en) 1979-01-31

Family

ID=13670413

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7874577A Pending JPS5413347A (en) 1977-06-30 1977-06-30 Optical trasmission device

Country Status (1)

Country Link
JP (1) JPS5413347A (en)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4335933A (en) * 1980-06-16 1982-06-22 General Dynamics, Pomona Division Fiber optic wavelength demultiplexer
US4343532A (en) * 1980-06-16 1982-08-10 General Dynamics, Pomona Division Dual directional wavelength demultiplexer
JPS60131506A (en) * 1983-12-19 1985-07-13 リツトン　システムズ，インコ−ポレ−テツド Three-path connector and manufacture thereof
EP0166550A2 (en) * 1984-06-21 1986-01-02 Ab Electronic Products Group Plc Coupler for optical fibres
JPS63100408A (en) * 1986-08-01 1988-05-02 スペクトラン　スペシャルティ　オプティクス　カンパニー Optical fiber coupler and optical fiber connection
US4822127A (en) * 1986-06-16 1989-04-18 Shiley Incorporated Multi-channel optical transmission system
US4927222A (en) * 1986-06-16 1990-05-22 Shiley Incorporated Dual optical fiber device
US5220628A (en) * 1991-01-29 1993-06-15 Alcatel N.V. Circuit board assembly
EP0619506A2 (en) * 1993-04-05 1994-10-12 The Whitaker Corporation Producing an optical fiber tap coupler
JP2012027402A (en) * 2010-07-27 2012-02-09 Nippon Telegr & Teleph Corp <Ntt> Method for manufacturing directional coupler using optical fiber
CN105081223A (en) * 2015-08-05 2015-11-25 宁夏苏宁新能源设备有限公司 Casting molding technology of middle groove shovel plate stopping ledge
US9839378B2 (en) 2007-02-06 2017-12-12 Medtronic Minimed, Inc. Optical systems and methods for ratiometric measurement of blood glucose concentration

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4335933A (en) * 1980-06-16 1982-06-22 General Dynamics, Pomona Division Fiber optic wavelength demultiplexer
US4343532A (en) * 1980-06-16 1982-08-10 General Dynamics, Pomona Division Dual directional wavelength demultiplexer
JPS60131506A (en) * 1983-12-19 1985-07-13 リツトン　システムズ，インコ−ポレ−テツド Three-path connector and manufacture thereof
EP0166550A2 (en) * 1984-06-21 1986-01-02 Ab Electronic Products Group Plc Coupler for optical fibres
EP0190898A2 (en) * 1984-06-21 1986-08-13 Ab Electronic Products Group Plc Fibre optic data network
US4822127A (en) * 1986-06-16 1989-04-18 Shiley Incorporated Multi-channel optical transmission system
US4927222A (en) * 1986-06-16 1990-05-22 Shiley Incorporated Dual optical fiber device
EP0271177A2 (en) * 1986-08-01 1988-06-15 Spectran Specialty Optics Company Optical fibre coupler
US4784452A (en) * 1986-08-01 1988-11-15 Ensign-Bickford Optics Co. Optical fiber coupler
JPS63100408A (en) * 1986-08-01 1988-05-02 スペクトラン　スペシャルティ　オプティクス　カンパニー Optical fiber coupler and optical fiber connection
EP0271177B1 (en) * 1986-08-01 1996-01-10 Spectran Specialty Optics Company Optical fibre coupler
US5220628A (en) * 1991-01-29 1993-06-15 Alcatel N.V. Circuit board assembly
EP0619506A2 (en) * 1993-04-05 1994-10-12 The Whitaker Corporation Producing an optical fiber tap coupler
EP0619506A3 (en) * 1993-04-05 1994-11-09 Whitaker Corp Producing an optical fiber tap coupler.
US9839378B2 (en) 2007-02-06 2017-12-12 Medtronic Minimed, Inc. Optical systems and methods for ratiometric measurement of blood glucose concentration
JP2012027402A (en) * 2010-07-27 2012-02-09 Nippon Telegr & Teleph Corp <Ntt> Method for manufacturing directional coupler using optical fiber
CN105081223A (en) * 2015-08-05 2015-11-25 宁夏苏宁新能源设备有限公司 Casting molding technology of middle groove shovel plate stopping ledge

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