激光与聚合物的相互作用及其应用

Laser Interaction with Polymers and Its Applications

激光与聚合物相互作用研究是当今国内外研究的热点.综述了激光与聚合物相互作用在激光加工、液晶光学器件激光束控制、微激光等离子体推进器等方面的应用.介绍了激光与聚合物相互作用的基本原理,总结了激光烧蚀聚合物的理论模型,包括光化学模型、光热模型、稳态模型、羽饰屏蔽模型以及光热—光化学模型.总结了关于烧蚀率、烧蚀阈值和聚合物激光烧蚀分解机理的实验研究.提出了激光与聚合物相互作用可能的研究和新的应用方向.

Research of laser interaction with polymers attracts more and more attention.Applications of interaction of laser and polymers are reviewed,including laser machining,laser beams control in liquid crystal optical elements,and micro laser plasma thruster.The theory of laser interaction with polymers is introduced,and the ablation models are summarized,including photochemical model,photothermal model,steady-state model,plume shielding model and photothermal-photochemical model.The experimental results of etching rate,ablation threshold and disassociation principle are summarized.The possible research and new applications of laser interaction with polymers are put forward.