项目名称: 基于二维过渡金属硫化物可饱和吸收的Pr3+:YLF可见光超快激光研究
项目编号: No.61505098
项目类型: 青年科学基金项目
立项/批准年度: 2016
项目学科: 无线电电子学、电信技术
项目作者: 刘善德
作者单位: 山东科技大学
项目金额: 20万元
中文摘要: 二维过渡金属硫化物材料(2D-TMDs)是继石墨烯之后又一类新型二维光电功能材料,因具有优秀的光电特性及应用前景,而受到人们的极大关注。其电子能带结构和光学特性具有奇特的层数依赖性,单层TMDs纳米材料能带带隙对应的吸收波长恰好位于可见光波段,能够对可见光进行光调制,呈现出理想的可饱和吸收特性。本项目以2D-TMDs可饱和吸收材料为主要研究对象,重点研究这一新型可饱和吸收材料的物化性能及在可见光波段的可饱和吸收性能,明确其可见光波段超快激光锁模的原理和稳定运转条件,实现基于2D-TMDs可饱和吸收材料Pr3+:YLF晶体可见光超快激光输出。本项目旨在开展2D-TMDs这一新型可饱和吸收材料的基础研究和应用,为可见光波段超快激光器的研究奠定一定的理论和技术基础。
中文关键词: 可见光超快激光;二维过渡金属硫化物;Pr3+:YLF
英文摘要: The two-dimensional transition metal dichalcogenidesthe, a kind of novel 2D materials after graphene, have recently received much attention due to their excellent opto-electronics properties and potential applications in optoelectronics. It possesses a thickness dependent electronic and optical property. The valence to conduction band transition of the monolayer transition metal dichalcogenides corresponds visible spectrum, which presents saturable absorption characteristic in this spectrum band. In this project, with the 2D-TMDs saturable absorber as the subject, we plan to characterize the physical and chemical properties and nonlinear parameters of 2D-TMDs in the visible optical band, reveal the basic principle and stable operation conditions for mode-locking in visible ultrafast lasers, and aim to realize visible ultrafast lasers based on the Pr3+:YLF crystals. This project is the basic research and application of the novel 2D-TMDs saturable absorber, in order to provide regular basis for the realization of visible ultrafast lasers.
英文关键词: Visible ultra-fast laser;2D-TMDs;Pr3+:YLF