JPS5356044A - Photo branch/coupling device - Google Patents

Photo branch/coupling device

Info

Publication number
JPS5356044A
JPS5356044A JP12265376A JP12265376A JPS5356044A JP S5356044 A JPS5356044 A JP S5356044A JP 12265376 A JP12265376 A JP 12265376A JP 12265376 A JP12265376 A JP 12265376A JP S5356044 A JPS5356044 A JP S5356044A
Authority
JP
Japan
Prior art keywords
coupling device
photo
branch
incidence
photo branch
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
JP12265376A
Other languages
English (en)
Other versions
JPS5617642B2 (ja
Inventor
Shigetoki Sugimoto
Akira Ishikawa
Shigeo Matsushita
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP12265376A priority Critical patent/JPS5356044A/ja
Priority to CA000288511A priority patent/CA1146389A/en
Priority to GB42530/77A priority patent/GB1589692A/en
Priority to DE2745940A priority patent/DE2745940C3/de
Priority to US05/841,290 priority patent/US4213677A/en
Priority to FR7730766A priority patent/FR2368052A1/fr
Publication of JPS5356044A publication Critical patent/JPS5356044A/ja
Publication of JPS5617642B2 publication Critical patent/JPS5617642B2/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
    • G02B6/28—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
    • G02B6/29346—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 wave or beam interference
    • G02B6/29361—Interference filters, e.g. multilayer coatings, thin film filters, dichroic splitters or mirrors based on multilayers, WDM filters
    • G02B6/2937—In line lens-filtering-lens devices, i.e. elements arranged along a line and mountable in a cylindrical package for compactness, e.g. 3- port device with GRIN lenses sandwiching a single filter operating at normal incidence in a tubular package
    • 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
    • G02B6/2817—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 reflective elements to split or combine optical signals

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Aerials With Secondary Devices (AREA)
JP12265376A 1976-10-13 1976-10-13 Photo branch/coupling device Granted JPS5356044A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP12265376A JPS5356044A (en) 1976-10-13 1976-10-13 Photo branch/coupling device
CA000288511A CA1146389A (en) 1976-10-13 1977-10-12 Light coupling and branching device using light focusing transmission body
GB42530/77A GB1589692A (en) 1976-10-13 1977-10-12 Optical devices
DE2745940A DE2745940C3 (de) 1976-10-13 1977-10-12 Optischer Übertragungskörper
US05/841,290 US4213677A (en) 1976-10-13 1977-10-12 Light coupling and branching device using light focusing transmission body
FR7730766A FR2368052A1 (fr) 1976-10-13 1977-10-12 Dispositif de couplage et de derivation optique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12265376A JPS5356044A (en) 1976-10-13 1976-10-13 Photo branch/coupling device

Publications (2)

Publication Number Publication Date
JPS5356044A true JPS5356044A (en) 1978-05-22
JPS5617642B2 JPS5617642B2 (ja) 1981-04-23

Family

ID=14841289

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12265376A Granted JPS5356044A (en) 1976-10-13 1976-10-13 Photo branch/coupling device

Country Status (1)

Country Link
JP (1) JPS5356044A (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5640803A (en) * 1979-09-12 1981-04-17 Nippon Telegr & Teleph Corp <Ntt> Mixing rod
JPS5938706A (ja) * 1982-08-27 1984-03-02 Toshiba Corp 光フアイバ−コリメ−タ
JPS6048004A (ja) * 1983-08-26 1985-03-15 Mitsubishi Electric Corp 光フアイバ用光分岐結合装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0234522Y2 (ja) * 1984-12-05 1990-09-17

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5640803A (en) * 1979-09-12 1981-04-17 Nippon Telegr & Teleph Corp <Ntt> Mixing rod
JPS5938706A (ja) * 1982-08-27 1984-03-02 Toshiba Corp 光フアイバ−コリメ−タ
JPS6048004A (ja) * 1983-08-26 1985-03-15 Mitsubishi Electric Corp 光フアイバ用光分岐結合装置

Also Published As

Publication number Publication date
JPS5617642B2 (ja) 1981-04-23

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