JPS542758A - Photo coupling device - Google Patents

Photo coupling device

Info

Publication number
JPS542758A
JPS542758A JP6771177A JP6771177A JPS542758A JP S542758 A JPS542758 A JP S542758A JP 6771177 A JP6771177 A JP 6771177A JP 6771177 A JP6771177 A JP 6771177A JP S542758 A JPS542758 A JP S542758A
Authority
JP
Grant status
Application
Patent type
Prior art keywords
coupling device
photo coupling
photo
shorten
semi
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
JP6771177A
Inventor
Takeshi Koseki
Original Assignee
Toshiba Corp
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

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00Light guides
    • G02B6/24Coupling light guides
    • G02B6/42Coupling light guides with opto-electronic elements
    • G02B6/4201Packages, e.g. shape, construction, internal or external details
    • G02B6/4202Packages, e.g. shape, construction, internal or external details for coupling an active element with fibres without intermediate optical elements, e.g. fibres with plane ends, fibres with shaped ends, bundles
    • G02B6/4203Optical features

Abstract

PURPOSE:To shorten taper part and achieve the improvement in coupling efficiency by forming the end face of a tapered fiber to semi-spherical form.
JP6771177A 1977-06-08 1977-06-08 Photo coupling device Pending JPS542758A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6771177A JPS542758A (en) 1977-06-08 1977-06-08 Photo coupling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6771177A JPS542758A (en) 1977-06-08 1977-06-08 Photo coupling device

Publications (1)

Publication Number Publication Date
JPS542758A true true JPS542758A (en) 1979-01-10

Family

ID=13352804

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6771177A Pending JPS542758A (en) 1977-06-08 1977-06-08 Photo coupling device

Country Status (1)

Country Link
JP (1) JPS542758A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5420747A (en) * 1977-07-15 1979-02-16 Hitachi Ltd Photo coupling element
JPS59121002A (en) * 1982-12-23 1984-07-12 Philips Nv Mono-mode optical transmission fiber and manufacture thereof
US4721353A (en) * 1985-10-30 1988-01-26 U.S. Philips Corporation Optical transmission system comprising a monomode optical transmission fibre having a tapered end portion
JPS6323106A (en) * 1987-02-04 1988-01-30 Toshiba Corp Optical coupler
JPH0491311U (en) * 1990-12-27 1992-08-10
JPH08122588A (en) * 1994-10-27 1996-05-17 Nec Corp Semiconductor light reception module device and production of inner element in this module

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5420747A (en) * 1977-07-15 1979-02-16 Hitachi Ltd Photo coupling element
JPS6122281B2 (en) * 1977-07-15 1986-05-31 Hitachi Ltd
JPS59121002A (en) * 1982-12-23 1984-07-12 Philips Nv Mono-mode optical transmission fiber and manufacture thereof
US4671609A (en) * 1982-12-23 1987-06-09 U.S. Philips Corporation Coupling monomode optical fiber having a tapered end portion
US4721353A (en) * 1985-10-30 1988-01-26 U.S. Philips Corporation Optical transmission system comprising a monomode optical transmission fibre having a tapered end portion
JPS6323106A (en) * 1987-02-04 1988-01-30 Toshiba Corp Optical coupler
JPH0491311U (en) * 1990-12-27 1992-08-10
JPH08122588A (en) * 1994-10-27 1996-05-17 Nec Corp Semiconductor light reception module device and production of inner element in this module

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