JPS5595907A - Photo branching filter - Google Patents
Photo branching filterInfo
- Publication number
- JPS5595907A JPS5595907A JP356779A JP356779A JPS5595907A JP S5595907 A JPS5595907 A JP S5595907A JP 356779 A JP356779 A JP 356779A JP 356779 A JP356779 A JP 356779A JP S5595907 A JPS5595907 A JP S5595907A
- Authority
- JP
- Japan
- Prior art keywords
- light
- light signal
- optical
- optical fibers
- enters
- 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
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
- G02B6/2931—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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP356779A JPS5595907A (en) | 1979-01-16 | 1979-01-16 | Photo branching filter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP356779A JPS5595907A (en) | 1979-01-16 | 1979-01-16 | Photo branching filter |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5595907A true JPS5595907A (en) | 1980-07-21 |
Family
ID=11561003
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP356779A Pending JPS5595907A (en) | 1979-01-16 | 1979-01-16 | Photo branching filter |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5595907A (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0073300A2 (de) * | 1981-08-27 | 1983-03-09 | Philips Kommunikations Industrie AG | Vorrichtung zum getrennten Auskoppeln von optischen Signalen verschiedener Wellenlängen |
US4387955A (en) * | 1981-02-03 | 1983-06-14 | The United States Of America As Represented By The Secretary Of The Air Force | Holographic reflective grating multiplexer/demultiplexer |
FR2566139A1 (fr) * | 1984-06-13 | 1985-12-20 | Lignes Telegraph Telephon | Dispositif de distribution d'energie lumineuse et son utilisation a la commutation optique |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53106061A (en) * | 1977-02-26 | 1978-09-14 | Nippon Telegr & Teleph Corp <Ntt> | Optical branching filter |
-
1979
- 1979-01-16 JP JP356779A patent/JPS5595907A/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53106061A (en) * | 1977-02-26 | 1978-09-14 | Nippon Telegr & Teleph Corp <Ntt> | Optical branching filter |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4387955A (en) * | 1981-02-03 | 1983-06-14 | The United States Of America As Represented By The Secretary Of The Air Force | Holographic reflective grating multiplexer/demultiplexer |
EP0073300A2 (de) * | 1981-08-27 | 1983-03-09 | Philips Kommunikations Industrie AG | Vorrichtung zum getrennten Auskoppeln von optischen Signalen verschiedener Wellenlängen |
FR2566139A1 (fr) * | 1984-06-13 | 1985-12-20 | Lignes Telegraph Telephon | Dispositif de distribution d'energie lumineuse et son utilisation a la commutation optique |
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