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分子间费米共振增强二元溶液体系的受激拉曼散射研究
  • ISSN号：1000-3290
  • 期刊名称：物理学报
  • 时间：0
  • 页码：424-428
  • 分类：O642.42[理学—物理化学;理学—化学]
  • 作者机构：[1]吉林大学超硬材料国家重点实验室,长春130012, [2]吉林大学物理学院,长春130012
  • 相关基金：国家自然科学基金（批准号：10974067）; 吉林省科技厅项目（批准号：20101508 201115033 201101037）; 第四十八批中国博士后科学基金面上资助的课题
  • 相关项目：类胡萝卜素分子结构有序对性能的影响
作者： 门志伟|里佐威|李占龙|周密|孙成林|何丽桥|Men Zhi-Wei1)2) Li Zuo-Wei2) Li Zhan-Long2) Zhou M|
关键词： 分子间费米共振, 二元溶液, 受激拉曼散射, 拉曼散射截面, intermolecular Fermi, binary solution, stimulated Raman scattering, Raman scattering cross section
中文摘要：

研究了液芯光纤内不同体积比的甲苯和间二甲苯二元混合溶液的受激拉曼散射.实验结果表明：在不同的体积比之下二元溶液的环呼吸振动模式1002cm-1,甲基的CH伸缩振动模式2920cm-1以及芳香环CH对称伸缩振动模式3058cm-1的拉曼带同时产生受激拉曼辐射,并且2920cm-1和3058cm-1拉曼带的一阶受激拉曼散射阈值要低于1002cm-1拉曼带的二阶阈值;同时随着体积比的不同2920cm-1和3058cm-1拉曼带的主峰位置也随之改变.通过拉曼散射截面理论验证了分子间费米共振是导致上述现象的主要原因.

英文摘要：

Stimulated Raman scattering（SRS） of binary solution of toluene and m-xylene are studied at different volume concentrations in liquid-core optical fiber. The experimental results show that the vibration modes of 1002 cm-1, 2920 cm-1 and 3058 cm-1 bands are simultaneously stimulated to generate the SRS, and the SRS thresholds of the 1st-order Stokes of 2920 cm-1 and 3058 cm-1 bands are lowered compared with the 2nd-order Stokes of 1002 cm-1 band, and the main peaks of 2920 cm-1 and 3058 cm-1 bands are different as volume concentration changes. We assume that the intermolecular Fermi resonance is the main mechanism for these phenomena, which is explained by the Raman scattering cross section theory.

同期刊论文项目
类胡萝卜素分子结构有序对性能的影响
期刊论文 67
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期刊信息
  • 《物理学报》
  • 北大核心期刊（2011版）
  • 主管单位:中国科学院
  • 主办单位:中国物理学会 中国科学院物理研究所
  • 主编：欧阳钟灿
  • 地址：北京603信箱(中国科学院物理研究所)
  • 邮编：100190
  • 邮箱：apsoffice@iphy.ac.cn
  • 电话：010-82649026
  • 国际标准刊号：ISSN：1000-3290
  • 国内统一刊号：ISSN：11-1958/O4
  • 邮发代号:2-425
  • 获奖情况:
  • 1999年首届国家期刊奖,2000年中科院优秀期刊特等奖,2001年科技期刊最高方阵队双高期刊居中国期刊第12位
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  • 被引量:49876