The optical fiber sensor is embedded in the prepreg and the change of output voltage can reflect the change of compacting pressure between fibers and the compacting degree of composite laminates.

• 实验结果表明,该系统除了能较好地反映垂直层板方向压力变化外,还能提供加压过程树脂流动状态及层板密实达到稳态均匀时间的相关信息。