提出了一种光纤结构的光学双稳态实验装置，利用石英光纤的光弹效应实现了压光调制，并完成了双稳实验。
A kind of all-fiber structure optical bistable experiment device was designed. Based on elastic -optic effect of silica fiber we accomplished optical bistable experiment.
阐述应用压光电传感器的逆压电效应和光电传感器来测量工件的表面粗糙度。
The article showed how to use contrary piezoelectricity effect of piezoelectricity sensor and photoelectric sensor to measure roughness of product.
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