JPH0543050B2 - - Google Patents
Info
- Publication number
- JPH0543050B2 JPH0543050B2 JP60263182A JP26318285A JPH0543050B2 JP H0543050 B2 JPH0543050 B2 JP H0543050B2 JP 60263182 A JP60263182 A JP 60263182A JP 26318285 A JP26318285 A JP 26318285A JP H0543050 B2 JPH0543050 B2 JP H0543050B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- optical
- coherent
- port
- optical fiber
- 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.)
- Expired - Lifetime
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
- G01M11/31—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter and a light receiver being disposed at the same side of a fibre or waveguide end-face, e.g. reflectometers
- G01M11/3109—Reflectometers detecting the back-scattered light in the time-domain, e.g. OTDR
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Locating Faults (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP26318285A JPS62123327A (ja) | 1985-11-22 | 1985-11-22 | コヒ−レントotdr装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP26318285A JPS62123327A (ja) | 1985-11-22 | 1985-11-22 | コヒ−レントotdr装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS62123327A JPS62123327A (ja) | 1987-06-04 |
JPH0543050B2 true JPH0543050B2 (enrdf_load_stackoverflow) | 1993-06-30 |
Family
ID=17385905
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP26318285A Granted JPS62123327A (ja) | 1985-11-22 | 1985-11-22 | コヒ−レントotdr装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62123327A (enrdf_load_stackoverflow) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04134238A (ja) * | 1990-09-27 | 1992-05-08 | Ando Electric Co Ltd | ヘテロダイン受光を用いた光パルス試験器 |
CN107990970B (zh) * | 2017-11-03 | 2019-10-15 | 上海交通大学 | 消除分布式光纤声波系统中衰落噪声的方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5768938A (en) * | 1980-10-16 | 1982-04-27 | Kokusai Denshin Denwa Co Ltd <Kdd> | Optical pulse and echo detector |
GB2138234B (en) * | 1983-04-14 | 1986-10-08 | Standard Telephones Cables Ltd | Coherent reflectometer |
-
1985
- 1985-11-22 JP JP26318285A patent/JPS62123327A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS62123327A (ja) | 1987-06-04 |
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