JPS59127141U - Fiber optic acoustic sensor - Google Patents
Fiber optic acoustic sensorInfo
- Publication number
- JPS59127141U JPS59127141U JP2119183U JP2119183U JPS59127141U JP S59127141 U JPS59127141 U JP S59127141U JP 2119183 U JP2119183 U JP 2119183U JP 2119183 U JP2119183 U JP 2119183U JP S59127141 U JPS59127141 U JP S59127141U
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- acoustic sensor
- fiber optic
- sensitive material
- pressure
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の光フアイバ式音響センサを一部断面して
示す斜視図、第２図は本考案の一実施例の音響センサを
示す断面図、第３図は後方散乱光強度の時間における分
布曲線図、第４図は本実施例の音響センサを用いて後方
散乱光強度を測定する水中音響探知装置を示す図、第５
図は本考案の他の実施例を示す断面図、第６図は本考案
の更に他の実施例を示す断面図である。
３・・・光フアイバ芯線、４・・・感圧材料、５・・・
光源、６・・・半透明膜、７・・・受光器。FIG. 1 is a partially sectional perspective view of a conventional optical fiber acoustic sensor, FIG. 2 is a sectional view of an acoustic sensor according to an embodiment of the present invention, and FIG. 3 is a diagram showing backscattered light intensity over time. Distribution curve diagram; Figure 4 is a diagram showing an underwater acoustic detection device that measures backscattered light intensity using the acoustic sensor of this embodiment;
The figure is a cross-sectional view showing another embodiment of the present invention, and FIG. 6 is a cross-sectional view showing still another embodiment of the present invention. 3... Optical fiber core wire, 4... Pressure sensitive material, 5...
Light source, 6... Semi-transparent film, 7... Light receiver.
Claims (1)
て形成したことを特徴とする光フアイバ式音響センサ。 ２ 前記感圧材料は、前記光フアイバ芯線の表面に連続
的にコーティングされていることを特徴とする実用新案
登録請求の範囲第１項記載の光フアイバ式音響センサ。 ３ 前記感圧材料は、前記光フアイバ芯線の長手方向表
面に部分的にコーティングされていることを特徴とする
実用新案登録請求の範囲第１項記載の光フアイバ式音響
センサ。 ４ 前記感圧材料は、前記光フアイバ芯線断面における
周方向に部分的にコーティングされていることを特徴と
する実用新案登録請求の範囲第２項、又は第３項記載の
光フアイバ式音響センサ。[Claims for Utility Model Registration] 1. An optical fiber acoustic sensor characterized in that it is formed by coating the surface of an optical fiber core with a pressure-sensitive material. 2. The optical fiber acoustic sensor according to claim 1, wherein the pressure-sensitive material is continuously coated on the surface of the optical fiber core. 3. The optical fiber acoustic sensor according to claim 1, wherein the pressure-sensitive material is partially coated on the longitudinal surface of the optical fiber core. 4. The optical fiber acoustic sensor according to claim 2 or 3, wherein the pressure sensitive material is partially coated in the circumferential direction of the cross section of the optical fiber core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2119183U JPS59127141U (en) | 1983-02-15 | 1983-02-15 | Fiber optic acoustic sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2119183U JPS59127141U (en) | 1983-02-15 | 1983-02-15 | Fiber optic acoustic sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59127141U true JPS59127141U (en) | 1984-08-27 |
Family
ID=30152326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2119183U Pending JPS59127141U (en) | 1983-02-15 | 1983-02-15 | Fiber optic acoustic sensor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59127141U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63184024A (en) * | 1987-01-26 | 1988-07-29 | Nec Corp | Optical fiber hydrophone |
-
1983
- 1983-02-15 JP JP2119183U patent/JPS59127141U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63184024A (en) * | 1987-01-26 | 1988-07-29 | Nec Corp | Optical fiber hydrophone |
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