JPS542143A - Variable light attenuator - Google Patents
Variable light attenuatorInfo
- Publication number
- JPS542143A JPS542143A JP6717877A JP6717877A JPS542143A JP S542143 A JPS542143 A JP S542143A JP 6717877 A JP6717877 A JP 6717877A JP 6717877 A JP6717877 A JP 6717877A JP S542143 A JPS542143 A JP S542143A
- Authority
- JP
- Japan
- Prior art keywords
- variable light
- light attenuator
- disposing
- sheets
- expanded
- 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
- G02B6/262—Optical details of coupling light into, or out of, or between fibre ends, e.g. special fibre end shapes or associated optical elements
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Optical Couplings Of Light Guides (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
- Optical Integrated Circuits (AREA)
Abstract
PURPOSE:To readily perform adjustment of light attenuating quantity with a simple constitution by so disposing two sheets of substrates whose optical guides are expanded in taper form that the optical guide expanding portions mutually oppose.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6717877A JPS542143A (en) | 1977-06-07 | 1977-06-07 | Variable light attenuator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6717877A JPS542143A (en) | 1977-06-07 | 1977-06-07 | Variable light attenuator |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS542143A true JPS542143A (en) | 1979-01-09 |
Family
ID=13337361
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6717877A Pending JPS542143A (en) | 1977-06-07 | 1977-06-07 | Variable light attenuator |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS542143A (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60174969A (en) * | 1984-02-21 | 1985-09-09 | Asahi Optical Co Ltd | Light quantity adjustor for light wave range finder |
US4557556A (en) * | 1983-10-28 | 1985-12-10 | At&T Bell Laboratories | Method of fabricating an optical attenuator by fusion splicing of optical fibers |
US5109468A (en) * | 1990-05-08 | 1992-04-28 | M/A-Com Light Control Systems, Inc. | Fixed value fiber optic attenuator |
JPH04166803A (en) * | 1990-10-30 | 1992-06-12 | Seiko Giken:Kk | Multifiber ribbon tape optical fiber variable attenuator |
US5285516A (en) * | 1992-03-18 | 1994-02-08 | Kaptron, Inc. | Fused fiber optic attenuator having axially overlapping fiber end portions |
US5917985A (en) * | 1995-12-30 | 1999-06-29 | Korea Electronic Technology Institute | Optical attenuator |
US6611637B1 (en) | 1997-12-08 | 2003-08-26 | Sumitomo Electric Industries, Ltd. | Dispersion-compensating module |
-
1977
- 1977-06-07 JP JP6717877A patent/JPS542143A/en active Pending
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4557556A (en) * | 1983-10-28 | 1985-12-10 | At&T Bell Laboratories | Method of fabricating an optical attenuator by fusion splicing of optical fibers |
JPS60174969A (en) * | 1984-02-21 | 1985-09-09 | Asahi Optical Co Ltd | Light quantity adjustor for light wave range finder |
US5109468A (en) * | 1990-05-08 | 1992-04-28 | M/A-Com Light Control Systems, Inc. | Fixed value fiber optic attenuator |
JPH04166803A (en) * | 1990-10-30 | 1992-06-12 | Seiko Giken:Kk | Multifiber ribbon tape optical fiber variable attenuator |
JPH0769492B2 (en) * | 1990-10-30 | 1995-07-31 | 株式会社精工技研 | Multi-core ribbon tape Optical fiber variable attenuator |
US5285516A (en) * | 1992-03-18 | 1994-02-08 | Kaptron, Inc. | Fused fiber optic attenuator having axially overlapping fiber end portions |
US5917985A (en) * | 1995-12-30 | 1999-06-29 | Korea Electronic Technology Institute | Optical attenuator |
US6611637B1 (en) | 1997-12-08 | 2003-08-26 | Sumitomo Electric Industries, Ltd. | Dispersion-compensating module |
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