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一、引言 在生物医学工程中,利用聚焦激光束对活细胞的预定部位进行微区“手术”(各类波长或调谐激光的照射以及汽化穿孔等),然后观察手术后细胞发育的变异,即可用来研究细胞各组成成分的功能及其发育机理。另外在各类精密加工中的微区感光,微孔汽化,磁光薄膜及薄金属涂料上的激光记录等方面,聚焦微光束也是精密度很高的有用工
I. INTRODUCTION In the biomedical engineering, the focused laser beam is used to perform the micro-area “operation” (various types of wavelength or tuning laser irradiation and vaporization perforation, etc.) on the predetermined part of the living cell, and then observe the variation of the cell development after the operation, that is, Can be used to study the function of cell components and their development mechanism. In addition, in all kinds of precision machining of the micro-area photosensitive, microporous vaporization, magneto-optical thin film and thin metal coatings on the laser recording, etc., focused micro-beam is also a high precision useful