JPS5478144A - Optical filter - Google Patents

Optical filter

Info

Publication number
JPS5478144A
JPS5478144A JP14518277A JP14518277A JPS5478144A JP S5478144 A JPS5478144 A JP S5478144A JP 14518277 A JP14518277 A JP 14518277A JP 14518277 A JP14518277 A JP 14518277A JP S5478144 A JPS5478144 A JP S5478144A
Authority
JP
Japan
Prior art keywords
light
guide
curvature
radiation
radiation light
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
JP14518277A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5647521B2 (enrdf_load_html_response
Inventor
Taiji Murakami
Haruhiko Tsuchiya
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone 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
Application filed by Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP14518277A priority Critical patent/JPS5478144A/ja
Publication of JPS5478144A publication Critical patent/JPS5478144A/ja
Publication of JPS5647521B2 publication Critical patent/JPS5647521B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/26Optical coupling means
    • G02B6/28Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293Optical 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
    • G02B6/29331Optical 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 evanescent wave coupling

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Light Guides In General And Applications Therefor (AREA)
JP14518277A 1977-12-05 1977-12-05 Optical filter Granted JPS5478144A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14518277A JPS5478144A (en) 1977-12-05 1977-12-05 Optical filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14518277A JPS5478144A (en) 1977-12-05 1977-12-05 Optical filter

Publications (2)

Publication Number Publication Date
JPS5478144A true JPS5478144A (en) 1979-06-22
JPS5647521B2 JPS5647521B2 (enrdf_load_html_response) 1981-11-10

Family

ID=15379314

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14518277A Granted JPS5478144A (en) 1977-12-05 1977-12-05 Optical filter

Country Status (1)

Country Link
JP (1) JPS5478144A (enrdf_load_html_response)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5031832A (enrdf_load_html_response) * 1973-04-18 1975-03-28
JPS5171148A (enrdf_load_html_response) * 1974-11-11 1976-06-19 Western Electric Co

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5031832A (enrdf_load_html_response) * 1973-04-18 1975-03-28
JPS5171148A (enrdf_load_html_response) * 1974-11-11 1976-06-19 Western Electric Co

Also Published As

Publication number Publication date
JPS5647521B2 (enrdf_load_html_response) 1981-11-10

Similar Documents

Publication Publication Date Title
Wilner et al. Fiber-optic delay lines for microwave signal processing
DE3776157D1 (de) Optisches modulations- und mess-verfahren.
GB1476955A (en) Optical waveguide having optimal index gradient
ES481539A1 (es) Un dispositivo guia.ondas optico.
US3813141A (en) Single material optical fiber structures including thin film supporting members
RU2199141C2 (ru) Оптический элемент связи с изменяющейся модой и способ его изготовления
US9052463B2 (en) Coupling of a laser source to an optical data distributing device
JPS54138452A (en) Photo attenuator
US4146298A (en) Coupler for optical fiber waveguides and method of constructing same
GB1145630A (en) Dielectric waveguide
JPS5478144A (en) Optical filter
JPS5478145A (en) Optical branching filter
JPS6462602A (en) Bent waveguide for optical integrated circuit
Ozeki et al. Mode behaviour in a tapered multimode fibre
JPS57100409A (en) Optical coupler
US4158479A (en) Gradient fiber
JPS5772119A (en) Optical branching filter
FR2365136A1 (fr) Guide d'ondes optiques a gradient d'indice parabolique modifie
KRUMPHOLZ Single-mode glass-fiber light waveguides(Wave propagation in single node clad glass fiber light waveguide, discussing fiber core minimum diameter and various loss mechanisms)
JPS5766403A (en) Optical-fiber dispersed delay equalizer
Furuya et al. Random bend losses in single-mode optical-fibre cables: power-spectrum estimation from spectral losses
GB1315333A (en) Optical coupling device
SU1531049A1 (ru) Волоконно-оптический разветвитель
SU1134977A1 (ru) Преобразователь многомодового электромагнитного излучени в одномодовое
Renner Cutoff frequencies in optical fibres with central refractive-index depression