JPS5264950A - Optically variable attenuator - Google Patents
Optically variable attenuatorInfo
- Publication number
- JPS5264950A JPS5264950A JP50140972A JP14097275A JPS5264950A JP S5264950 A JPS5264950 A JP S5264950A JP 50140972 A JP50140972 A JP 50140972A JP 14097275 A JP14097275 A JP 14097275A JP S5264950 A JPS5264950 A JP S5264950A
- Authority
- JP
- Japan
- Prior art keywords
- variable attenuator
- optically variable
- connectors
- effected
- semi
- 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
Links
Landscapes
- Optical Couplings Of Light Guides (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Mechanical Coupling Of Light Guides (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
PURPOSE:To provide an optically variable attenuator, in which semi-circular optical fibers are axially jointed through a metal cover and are turned relative to the fibers coupled through connectors so that the variable attenuation of incident light may be effected without any conversion of the incident mode.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50140972A JPS5837521B2 (en) | 1975-11-25 | 1975-11-25 | Hikari Kahengensuki |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50140972A JPS5837521B2 (en) | 1975-11-25 | 1975-11-25 | Hikari Kahengensuki |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5264950A true JPS5264950A (en) | 1977-05-28 |
JPS5837521B2 JPS5837521B2 (en) | 1983-08-17 |
Family
ID=15281110
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50140972A Expired JPS5837521B2 (en) | 1975-11-25 | 1975-11-25 | Hikari Kahengensuki |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5837521B2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59211002A (en) * | 1983-05-09 | 1984-11-29 | アメリカン・テレフォン・アンド・テレグラフ・カムパニー | Optical fiber damper and inline optical fiber pass filter |
US6311010B1 (en) | 1999-11-17 | 2001-10-30 | Telephone Services, Inc. Of Florida | Variable optical attenuator with locking mechanism |
JP2020013031A (en) * | 2018-07-19 | 2020-01-23 | 日本電信電話株式会社 | Mode equalization filter |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0511471Y2 (en) * | 1987-11-20 | 1993-03-22 |
-
1975
- 1975-11-25 JP JP50140972A patent/JPS5837521B2/en not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59211002A (en) * | 1983-05-09 | 1984-11-29 | アメリカン・テレフォン・アンド・テレグラフ・カムパニー | Optical fiber damper and inline optical fiber pass filter |
JPH0676917U (en) * | 1983-05-09 | 1994-10-28 | アメリカン テレフォン アンド テレグラフ カムパニー | Optical fiber attenuator |
US6311010B1 (en) | 1999-11-17 | 2001-10-30 | Telephone Services, Inc. Of Florida | Variable optical attenuator with locking mechanism |
JP2020013031A (en) * | 2018-07-19 | 2020-01-23 | 日本電信電話株式会社 | Mode equalization filter |
WO2020017447A1 (en) * | 2018-07-19 | 2020-01-23 | 日本電信電話株式会社 | Mode equalization filter |
Also Published As
Publication number | Publication date |
---|---|
JPS5837521B2 (en) | 1983-08-17 |
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