JPS648608U - - Google Patents
Info
- Publication number
- JPS648608U JPS648608U JP10331887U JP10331887U JPS648608U JP S648608 U JPS648608 U JP S648608U JP 10331887 U JP10331887 U JP 10331887U JP 10331887 U JP10331887 U JP 10331887U JP S648608 U JPS648608 U JP S648608U
- Authority
- JP
- Japan
- Prior art keywords
- laser
- speckle
- detectors
- lights
- speckles
- 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
- 238000005259 measurement Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Length Measuring Devices By Optical Means (AREA)
Description
第１図は本発明の一実施例の構成図、第２図は
従来例の構成図である。
１……試験片、２……固定治具、３……重り、
４……演算制御器（コンピユータ）、５……入出
力装置、８，９……平面鏡、１０……電源、２１
，２２……第１，第２のレーザ光源、３１，３２
……第１、第２のフイルタ、３３……プリズム鏡
、４１，４２……第１、第２のイメージセンサ。
FIG. 1 is a block diagram of an embodiment of the present invention, and FIG. 2 is a block diagram of a conventional example. 1... Test piece, 2... Fixing jig, 3... Weight,
4... Arithmetic controller (computer), 5... Input/output device, 8, 9... Plane mirror, 10... Power supply, 21
, 22...first and second laser light sources, 31, 32
...First and second filters, 33... Prism mirror, 41, 42... First and second image sensors.
Claims (1)
方向からレーザ光を照射する２つのレーザ光源と
、上記２つのレーザ光の物体表面法線方向の反射
光を２つに分割する手段と、２分割されたそれら
の反射光に含まれる上記２つのレーザ光の互いに
異なる一方のスペツクルをそれぞれ検出する２つ
のスペツクル検出器と、それらの２つのスペツク
ル検出器で検出されたスペツクルの移動量の差に
基づいて上記物体の歪みを演算する演算手段とを
有するレーザスペツクル歪計測装置において、上
記反射光を２つに分割する手段として２つの反射
面を有する反射部材を用いたことを特徴とするレ
ーザスペツクル歪計測装置。 two laser light sources that irradiate the surface of the same part of an object with laser light from two directions at the same positive and negative incident angles; and means that splits the reflected light of the two laser lights in the normal direction of the object surface into two; Two speckle detectors that respectively detect speckles of one of the two laser beams that are different from each other included in the two divided reflected lights, and the difference in the amount of movement of the speckles detected by those two speckle detectors. and calculation means for calculating the distortion of the object based on the above, characterized in that a reflecting member having two reflecting surfaces is used as means for dividing the reflected light into two. Laser speckle distortion measurement device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10331887U JPS648608U (en) | 1987-07-07 | 1987-07-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10331887U JPS648608U (en) | 1987-07-07 | 1987-07-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS648608U true JPS648608U (en) | 1989-01-18 |
Family
ID=31334038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10331887U Pending JPS648608U (en) | 1987-07-07 | 1987-07-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS648608U (en) |
-
1987
- 1987-07-07 JP JP10331887U patent/JPS648608U/ja active Pending
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