JPS5729005A - Optical branching filter - Google Patents
Optical branching filterInfo
- Publication number
- JPS5729005A JPS5729005A JP10357480A JP10357480A JPS5729005A JP S5729005 A JPS5729005 A JP S5729005A JP 10357480 A JP10357480 A JP 10357480A JP 10357480 A JP10357480 A JP 10357480A JP S5729005 A JPS5729005 A JP S5729005A
- Authority
- JP
- Japan
- Prior art keywords
- rays
- wavelength
- photodetector
- constitution
- lens
- 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
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
- G02B6/4215—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms the intermediate optical elements being wavelength selective optical elements, e.g. variable wavelength optical modules or wavelength lockers
-
- 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
- G02B6/29307—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 components assembled in or forming a solid transparent unitary block, e.g. for facilitating component alignment
-
- 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
- G02B6/29308—Diffractive element having focusing properties, e.g. curved gratings
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Integrated Circuits (AREA)
- Optical Communication System (AREA)
- Optical Couplings Of Light Guides (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10357480A JPS5729005A (en) | 1980-07-30 | 1980-07-30 | Optical branching filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10357480A JPS5729005A (en) | 1980-07-30 | 1980-07-30 | Optical branching filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5729005A true JPS5729005A (en) | 1982-02-16 |
Family
ID=14357555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10357480A Pending JPS5729005A (en) | 1980-07-30 | 1980-07-30 | Optical branching filter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5729005A (ja) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6095508A (ja) * | 1983-10-31 | 1985-05-28 | Nec Corp | 回折格子形光合波器 |
| WO1999046629A1 (en) * | 1998-03-11 | 1999-09-16 | Nippon Sheet Glass Co., Ltd. | Optical demultiplexer |
| WO2000076000A1 (fr) * | 1999-06-04 | 2000-12-14 | Nippon Sheet Glass Co., Ltd. | Dispositif comportant un reseau de photodetecteurs et demultiplexeur optique utilisant ce dispositif |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5521011A (en) * | 1978-07-30 | 1980-02-14 | Ritsuo Hasumi | Thin fllm spectral module |
| JPS5588030A (en) * | 1978-12-26 | 1980-07-03 | Ricoh Co Ltd | Photo branching method |
-
1980
- 1980-07-30 JP JP10357480A patent/JPS5729005A/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5521011A (en) * | 1978-07-30 | 1980-02-14 | Ritsuo Hasumi | Thin fllm spectral module |
| JPS5588030A (en) * | 1978-12-26 | 1980-07-03 | Ricoh Co Ltd | Photo branching method |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6095508A (ja) * | 1983-10-31 | 1985-05-28 | Nec Corp | 回折格子形光合波器 |
| WO1999046629A1 (en) * | 1998-03-11 | 1999-09-16 | Nippon Sheet Glass Co., Ltd. | Optical demultiplexer |
| US6373606B1 (en) | 1998-03-11 | 2002-04-16 | Nippon Sheet Glass Co., Ltd. | Optical demultiplexer |
| WO2000076000A1 (fr) * | 1999-06-04 | 2000-12-14 | Nippon Sheet Glass Co., Ltd. | Dispositif comportant un reseau de photodetecteurs et demultiplexeur optique utilisant ce dispositif |
| US6710330B1 (en) | 1999-06-04 | 2004-03-23 | Nippon Sheet Glass Co., Ltd. | Light-receiving element array device and optical demultiplexer using the same |
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