超短脉冲激光诱导透明材料多光子吸收的研究进展  

Research Progress of Transparent Materials Multiphoton Absorption Process by Ultrashort Pulse Laser Irradiation

作　　者：张扬[1,2,3] 钱静[2,3] 鲍宗杰 王承伟[1,2,3] 赵全忠[2] 

机构地区：[1]同济大学物理科学与工程学院,精密光学工程技术研究所,先进微结构材料教育部重点实验室,上海200092 [2]中国科学院上海光学精密机械研究所,强场激光物理国家重点实验室,上海201800 [3]中国科学院大学,北京100049

出　　处：《材料导报》2015年第19期1-10,共10页Materials Reports

基　　金：国家自然科学基金(11374316;61178024);国家973资助项目(2011CB808103)

摘　　要：超短激光脉冲可直接诱导透明材料的多光子吸收上转换荧光过程,它在红外探测、新型激光器、海底光学通信、高密度存储以及三维立体显示等前沿的国防和工业科技领域有着广泛的应用。上转换过程的研究目前主要集中在稀土离子和过渡金属离子能级跃迁的机制上,随着机制材料以及受激离子的不同,光子跃迁的机制也不完全相同,因此上转换机制始终伴随着新材料的出现而发展。介绍了上转换过程的种类,将多光子吸收上转换过程用依次吸收与同时吸收进行分类,给出了在实验研究中分辨上转换过程的方法,并讨论了多光子同时吸收的双光子与三光子过程的研究进展和应用,为今后研究不同光功能材料的多光子吸收过程和应用提供了理论依据。Ultrashort laser pulses can directly induce the upconversion fluorescence process of multiphoton ab- sorption of transparent materials, and it is widely used in the infrared detection, new lasers, submarine optical com- munication, high-density storage, three-dimensional display and other frontier national defense and industrial technolo- gy areas. At present, the research on the upconversion fluorescence process mainly focuses on the mechanism of the energy level transition of rare earth ions and transition metal level ions, and along with the difference of mechanism material and excited ions, the mechanism of photon transition is not identical, so the upconversion mechanism always develops accompanied by the emergence of new materials. The types of the upconversion process conversion process, and classifies upconversion process of multiphoton absorption with successive absorption and simultaneous absorption are introduced, the method of distinguishing upconversion process in experimental study is summarized, and the re- search progress and application of the two-photon and three-photon process of multiphoton simultaneous absorption are discussed, which provides a theoretical basis for the future research on the multiphoton absorption process and ap- plication of different optical functional materials.

关 键 词：多光子吸收 上转换荧光 同时吸收 双光子 三光子 飞秒激光 

分 类 号：O482[理学—固体物理] O437[理学—物理]