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二溴甲烷相干反斯托克斯拉曼光谱的选择激发增强研究
  • 期刊名称：量子电子学报, 4(6), 694-698 (2007);
  • 时间：0
  • 分类：O437[机械工程—光学工程;理学—光学;理学—物理]
  • 作者机构：[1]华东师范大学教育部光谱学与波谱学重点实验室,华东师范大学物理系,上海200062
  • 相关基金：获得国家自然科学基金项目（10234030和10574046）、国家基础研究重大项目（1999075204）、教育部长江学者创新团队计划、教育部新世纪人才计划（NCET-04-0420）、高等学校博士点基金（20050269011）、上海市科学技术委员会启明星计划（No.06QH14003）以及上海市教委曙光学者计划（03SG23）的支持.
  • 相关项目：高分辨飞秒相干反斯托克斯拉曼光谱（CARS）研究
关键词： 量子光学, 选择增强, 自适应反馈控制, 相干反斯托克斯拉曼光谱, quantum optics, selective enhancement, adaptive feedback control, coherent anti- Stokes Raman scattering
中文摘要：

采用基于遗传算法（Geneticalgorithm）的自适应反馈系统，成功实现了二溴甲烷多个拉曼振动模式的选择激发。通过脉冲分析方法（二次谐波频率分辨光谱开关和二次谐波交叉频率分辨光谱开关（SHG-FROG和SHG—XFROG），在时域和频域上对优化脉冲进行还原和分析，结果表明：空间光学调制器（SLM）将优化脉冲调制成具有负啾啁特性的脉冲串。该选择激发实验的成功实现验证了相干控制自适应系统在研究复杂分子系统方面具有良好的应用前景。

英文摘要：

With adaptive feedback system based on Genetic Algorithm （GA）, selective excitation of coherent anti-Stokes Raman scattering for dibromomethane was successfully achieved. The optimal pulses were characterized with second harmonic generation frequency-resolved optical gating （SHG-FROG） and displayed as trains of sub-pulses with negative chirp. This experimental demonstration of selective excitation between neighboring levels indicates that coherent control has a great potential in the improvement of sensitivity and is a meaningful method in the complex molecular system.

同期刊论文项目
高分辨飞秒相干反斯托克斯拉曼光谱（CARS）研究
期刊论文 30
极端非线性光学条件下的量子相干控制研究
期刊论文 117 会议论文 51
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