JPS6259806U - - Google Patents
Info
- Publication number
- JPS6259806U JPS6259806U JP15095885U JP15095885U JPS6259806U JP S6259806 U JPS6259806 U JP S6259806U JP 15095885 U JP15095885 U JP 15095885U JP 15095885 U JP15095885 U JP 15095885U JP S6259806 U JPS6259806 U JP S6259806U
- Authority
- JP
- Japan
- Prior art keywords
- stress
- light
- time
- measured
- 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.)
- Pending
Links
- 239000013307 optical fiber Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 1
Landscapes
- Length Measuring Devices By Optical Means (AREA)
Description
第１図Ａ及びＢはそれぞれこの考案の一実施例
に係わる光フアイバ歪みゲージを応力の加わつた
状態と加わつて無い状態とで示す外観構成図、第
２図Ａ及びＢはそれぞれ上記応力の加わつた状態
と加わつて無い状態とで計測された光の通過時間
を示す図である。
１１……応力計測対象物、１２……光フアイバ
、１２ａ……光入力端、１２ｂ……光出力端。
1A and 1B are external configuration diagrams showing an optical fiber strain gauge according to an embodiment of this invention with and without stress applied, respectively. FIG. 3 is a diagram showing the measured light passage times in a state where the light is applied and a state where the light is not applied. DESCRIPTION OF SYMBOLS 11... Stress measurement object, 12... Optical fiber, 12a... Light input end, 12b... Light output end.
Claims (1)
固着される光フアイバと、この光フアイバを通過
する光の通過時間を計測する手段と、この計測手
段により計測された応力無しの光の通過時間と応
力有りの光の通過時間との時間差を求める手段と
を具備し、上記時間差に基づき応力歪みを測定す
ることを特徴とする光フアイバ歪みゲージ。 An optical fiber fixed to an object to be measured in accordance with the direction in which stress is generated, a means for measuring the transit time of light passing through this optical fiber, and a transit time of stress-free light measured by this measuring means. and means for determining the time difference between the passage time of the stressed light and the stress strain measured based on the time difference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15095885U JPS6259806U (en) | 1985-10-02 | 1985-10-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15095885U JPS6259806U (en) | 1985-10-02 | 1985-10-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6259806U true JPS6259806U (en) | 1987-04-14 |
Family
ID=31067572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15095885U Pending JPS6259806U (en) | 1985-10-02 | 1985-10-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6259806U (en) |
-
1985
- 1985-10-02 JP JP15095885U patent/JPS6259806U/ja active Pending
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