JPS57171307A - Optical fiber coupler connecting light emitter and optical fiber - Google Patents
Optical fiber coupler connecting light emitter and optical fiberInfo
- Publication number
- JPS57171307A JPS57171307A JP56055865A JP5586581A JPS57171307A JP S57171307 A JPS57171307 A JP S57171307A JP 56055865 A JP56055865 A JP 56055865A JP 5586581 A JP5586581 A JP 5586581A JP S57171307 A JPS57171307 A JP S57171307A
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- diode
- face
- light emitter
- size
- 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
- G02B6/4206—Optical features
-
- 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
- G02B6/4202—Packages, 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
- G02B6/4203—Optical features
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
- Led Device Packages (AREA)
Abstract
PURPOSE:To increase the coupling factor between an optical fiber and a light emitting diode and to increase the light receiving region, by increasing the diamters of both the core and cladding parts at the end of the optical fiber toward each end face. CONSTITUTION:Both the core and cladding parts 10 and 20 have a size equal to a normal optical fiber at the base end part respectively. These parts 10 and 20 are, however, formed so that each diameter is incresed toward a light emitting diode 5. Thus the diameter of the part 10 is set equal to or larger than that of the diode 5. The end face of the part 10 contacts with a window 8 provided to a case 7, and the window 8 has a size in accordance with the size of the end face of the part 10. As a result, the greater part of the light delivered from the diode 5 can be led to the part 10. Thus the coupling factor is increased between the diode 5 and the optical fiber.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56055865A JPS57171307A (en) | 1981-04-14 | 1981-04-14 | Optical fiber coupler connecting light emitter and optical fiber |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56055865A JPS57171307A (en) | 1981-04-14 | 1981-04-14 | Optical fiber coupler connecting light emitter and optical fiber |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57171307A true JPS57171307A (en) | 1982-10-21 |
Family
ID=13010957
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56055865A Pending JPS57171307A (en) | 1981-04-14 | 1981-04-14 | Optical fiber coupler connecting light emitter and optical fiber |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57171307A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61188509A (en) * | 1985-02-16 | 1986-08-22 | Nippon Hoso Kyokai <Nhk> | Optical coupling device |
EP0683410A1 (en) * | 1994-05-17 | 1995-11-22 | SEIKOH GIKEN Co., Ltd. | Optical fiber light coupling interface with an enlarged incident surface |
-
1981
- 1981-04-14 JP JP56055865A patent/JPS57171307A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61188509A (en) * | 1985-02-16 | 1986-08-22 | Nippon Hoso Kyokai <Nhk> | Optical coupling device |
EP0683410A1 (en) * | 1994-05-17 | 1995-11-22 | SEIKOH GIKEN Co., Ltd. | Optical fiber light coupling interface with an enlarged incident surface |
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