Optimizing two-photon fluorescence of Coumarin dye by combined temporal-spatial pulse shaping

被引：4
作者：
Chu, Saisai [1 ]
Wang, Shufeng [1 ]
Deng, Yongkai [1 ]
Gong, Qihuang [1 ]
机构：
[1] Peking Univ, Dept Phys, State Key Lab Mesoscop Phys, Beijing 100871, Peoples R China
来源：
OPTICS COMMUNICATIONS | 2011年 / 284卷 / 16-17期
基金：
中国国家自然科学基金;
关键词：
Two-photon fluorescence; Pulse shaping; Spatial modulation; Femtosecond; GROUP DELAY DISPERSION; QUANTUM CONTROL; FEMTOSECOND PULSES; LASER; COMPENSATION; ABSORPTION; OPTIMIZATION; MICROSCOPY; LENS;
D O I：
10.1016/j.optcom.2011.04.069
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Two-photon fluorescence (TPF) process is an important research subject and can be optimized by pulse shaping techniques. In addition to temporal femtosecond pulse shaping by spectral phase modulation, we take into account of spatial configuration in the shaping process. The TPF of Coumarin 500 increases 40% with this additional modulation step. This spatial modulation results in not only transverse spatial profile variation but also effect of temporal redistribution at focus. We show that this spatial modulation is an important dimension for pulse shaping and optimization for TPF. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：4070 / 4072
页数：3
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