JPH0358453B2 - - Google Patents
Info
- Publication number
- JPH0358453B2 JPH0358453B2 JP59139316A JP13931684A JPH0358453B2 JP H0358453 B2 JPH0358453 B2 JP H0358453B2 JP 59139316 A JP59139316 A JP 59139316A JP 13931684 A JP13931684 A JP 13931684A JP H0358453 B2 JPH0358453 B2 JP H0358453B2
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- refractive index
- pulse
- core
- index distribution
- 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
- G01M11/33—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter being disposed at one fibre or waveguide end-face, and a light receiver at the other end-face
- G01M11/332—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter being disposed at one fibre or waveguide end-face, and a light receiver at the other end-face using discrete input signals
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Light Guides In General And Applications Therefor (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13931684A JPS6117932A (ja) | 1984-07-04 | 1984-07-04 | 光フアイバの屈折率分布検査方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13931684A JPS6117932A (ja) | 1984-07-04 | 1984-07-04 | 光フアイバの屈折率分布検査方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6117932A JPS6117932A (ja) | 1986-01-25 |
| JPH0358453B2 true JPH0358453B2 (de) | 1991-09-05 |
Family
ID=15242464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13931684A Granted JPS6117932A (ja) | 1984-07-04 | 1984-07-04 | 光フアイバの屈折率分布検査方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6117932A (de) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5374084A (en) * | 1976-12-13 | 1978-07-01 | Fujitsu Ltd | Measuring method for refractive index distribution of optical transmission path |
| JPS5991334A (ja) * | 1982-11-16 | 1984-05-26 | Showa Electric Wire & Cable Co Ltd | 光フアイバの屈折率分布測定方法 |
-
1984
- 1984-07-04 JP JP13931684A patent/JPS6117932A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6117932A (ja) | 1986-01-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4350380B2 (ja) | 光ファイバの後方散乱偏光分析 | |
| US6798962B2 (en) | Broadband access optimized fiber and method of making | |
| US20230097639A1 (en) | Optical microresonator array device for ultrasound sensing | |
| CN113008302B (zh) | 基于前向布里渊散射的温度和声阻双参量传感方法及装置 | |
| AU730983B2 (en) | Methods for identifying optical fibers which exhibit elevated levels of polarization mode dispersion | |
| US4662743A (en) | Method of measuring the geometry of optical fibers | |
| CN108507981B (zh) | 基于ofdr的硅基波导背反射传感装置及其测量方法 | |
| US6930768B2 (en) | Detection of discontinuities in a multimode optical fiber | |
| CN118960612B (zh) | 一种基于四芯光纤的曲率光纤传感器及制备方法 | |
| JPH0358453B2 (de) | ||
| CN119197634A (zh) | 一种可同时测量曲率和温度的光纤结构、系统和制作方法 | |
| US11280642B2 (en) | Reflective long period grating | |
| JPH05272920A (ja) | 光ファイバ変位計 | |
| EP0249923A2 (de) | Verfahren und Vorrichtung zur Messung der Polarisations-Schwebungslänge in hoch doppelbrechenden Monomode-Lichtleitfasern | |
| JP3388496B2 (ja) | 単一モード光ファイバの特性評価方法 | |
| CN115371968B (zh) | 少模保偏光纤拍长测量方法 | |
| CN118603284B (zh) | 一种光纤振动传感器、制备方法、检测系统及应用方法 | |
| CN111366180B (zh) | 一种基于光纤传感器的外界参数测量方法 | |
| CN111102994A (zh) | 一种同时测量光纤环偏振耦合分布和绕环光纤拍长的方法 | |
| US5617210A (en) | Method of detecting whether at least one die is centered about a thread held taught between two fixed points | |
| CN110987946A (zh) | 一种用分光器改进裂缝传感器精度的装置及方法 | |
| JPS62211522A (ja) | 単一モ−ド光フアイバの波長分散測定方法 | |
| JPS6055305A (ja) | ツインコア光フアイバ | |
| KR100424476B1 (ko) | 광섬유 모재의 잔류 응력 측정장치 | |
| JPS58120146A (ja) | 光フアイバの偏波特性測定法 |