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Spectrum Correction in Study of Solvation Dynamics by Fluorescence Non-collinear Optical Parametric Ampli cation Spectroscopy
Wei Danga,Jing-jing Bai,Lian-shui Zhang,Yu-xiang Weng
Author NameAffiliationE-mail
Wei Danga Hebei Key Lab of Optic-electronic Information and Materials, College of Physics Science and Tech-nology, Hebei University, Baoding 071002, China;Key Laboratory of Soft Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China  
Jing-jing Bai Hebei Key Lab of Optic-electronic Information and Materials, College of Physics Science and Tech-nology, Hebei University, Baoding 071002, China  
Lian-shui Zhang Hebei Key Lab of Optic-electronic Information and Materials, College of Physics Science and Tech-nology, Hebei University, Baoding 071002, China zhangls@hbu.edu.cn 
Yu-xiang Weng Key Laboratory of Soft Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China yuxiangweng@iphy.ac.cn 
Abstract:
Femtosecond time-resolved fluorescence non-collinear optical parametric amplification spectroscopy can extract the curve of spectral gain from its parametric superfluorescence. This unique spectrum correction method enables fluorescence non-collinear optical parametric amplification spectroscopy acquiring the genuine transient fluorescence spectrum of the studied system. In this work we employ fluorescence non-collinear optical parametric amplification spectroscopy technique to study the solvation dynamics of DCM dye in ethanol solution, and confirm that genuine solvation correlation function and shift of peak frequency can be derived from transient fluorescence spectra after the spectral gain correction. It demonstrates that fluorescence non-collinear optical parametric amplification spectroscopy can benefit the research fields, which focuses on both fluorescence intensity dynamics and fluorescence spectral shape evolution.
Key words:  Transient fluorescence spectrum  Solvation dynamics  Non-collinear optical parametric amplification  Spectrum correction
FundProject:
基于荧光非共线光参量放大光谱技术的溶剂化动力学研究中的光谱矫正
党伟,白晶晶,张连水,翁羽翔
摘要:
利用荧光非共线光参量放大光谱技术测量了DCM染料乙醇溶液的溶剂化动力学过程. 实验结果表明,瞬态荧光光谱经过光谱矫正后,可以产生准确的溶剂化相关函数以及溶剂化过程中瞬态光谱峰值频率移动. 本文的工作表明荧光非共线光参量放大光谱技术有益同时关注荧光强度动力学以及光谱谱型演化的研究领域.
关键词:  瞬态荧光光谱  溶剂化动力学  非共线光参量放大  光谱矫正
DOI:10.1063/1674-0068/29/cjcp1507164
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