VIBRATION VISUALIZATION ELEMENT, VIBRATION MEASUREMENT SYSTEM

PROBLEM TO BE SOLVED: To provide a vibration visualizing element capable of visualizing minute vibrations of an object to be measured.SOLUTION: The vibration visualization element is attached to an object to be measured for visualizing vibrations applied to the object to be measured. The vibration visualization element has one or plural optical members which has retroreflective property to light or electromagnetic wave. In each of the one or plural optical members, a part of the optical members makes a relative movement with respect to the other optical members depending on the vibrations. With this, the brightness of reflectance or the amount of reflected electromagnetic waves, which is emitted by the one or plural optical members in a retroreflective direction changes.SELECTED DRAWING: Figure 1 【課題】計測対象物の微小な振動を可視化することができる振動可視化素子を提供する。【解決手段】振動可視化素子は、計測対象物に取り付けられ、当該計測対象物に加わった振動を可視化する。前記振動可視化素子は、光又は電磁波に対して再帰性反射性を有する一つ又は複数の光学部材を備える。前記一つ又は複数の光学部材のそれぞれにおいて、当該光学部材の一部が当該光学部材の他の部分に対して前記振動に応じて相対的に動くことにより、前記一つ又は複数の光学部材が再帰性反射方向に出射する反射光の輝度又は反射電磁波の量が変化する。【選択図】図１