飞秒激光时空聚焦技术在极端非线性光学中的应用

项目名称： 飞秒激光时空聚焦技术在极端非线性光学中的应用

项目编号： No.11304330

项目类型： 青年科学基金项目

立项/批准年度： 2014

项目学科： 数理科学和化学

项目作者： 储蔚

作者单位： 中国科学院上海光学精密机械研究所

项目金额： 30万元

中文摘要： 随着超快激光技术的发展，强场激光物理学的研究也步入了新的发展阶段。在激光与物质的极端非线性相互作用中，物质对光场的响应尤为敏感且具有非微扰、高度非线性等特性，因此控制光场的时空特性显得尤为重要。时空聚焦技术提供了一种新颖有效的控制飞秒激光光场的途径。本项目将在本研究小组以往工作的基础上，将时空聚焦技术引入极端非线性光学领域，通过对超快激光脉冲的时空域整形和利用时空聚焦技术对激光与物质相互作用区域的光强调制，实现在飞秒激光成丝远程探测、高次谐波的产生、获得单个阿秒脉冲等强场物理某些热点领域的新进展和突破。

中文关键词： 飞秒激光；时空域聚焦技术；极端非线性光学；；

英文摘要： Strong field atomic and molecular physics has entered a new stage with the development of ultrafast laser technology and tunable infrared laser source. In the process of extreme nonlinear optics, the media is non-perturbative and highly nonlinear when interacting with strong field laser pulses. For this reason, it is of great significance to controll the spatial and temporal characteristics of the laser field. A novel and effective approach to controll the femtosecond laser field is spatio-temporally focusing technology. In this research project, the spatio-temporally focusing technology should be introduced to controll the spatial and temporal characteristics of ultra-fast laser and modulate light intensity in the laser-matter interaction area. On the basis of maniplating ultra-fast laser field, we hold promise for new development and breakthrough on a lot of hot issues in strong field laser physics, such as remote sensing, high-order harmonic generation and isolated attosecond pulse generation.

英文关键词： femtosecond laser；spatio-temporally focusing technology；extreme nonlinear optics；；