Investigation of transient two-photon excited fluorescence in biological tissue

被引：0
|
作者：
邱怡申 [1 ]
陈恩果 [2 ]
李高明 [1 ]
李晖 [1 ]
机构：
[1] Key Laboratory of OptoElectronic Science and Technology for Medicine Ministry of Education,Fujian Provincial Key Laboratory for Photonics Technology,Fujian Normal University
[2] Department of Optical Engineering,Zhejiang University
来源：
ChineseOpticsLetters | 2012年 / 10卷 / 05期
关键词：
time; ab;
D O I：
暂无
中图分类号：
TN24 [激光技术、微波激射技术];
学科分类号：
摘要：
The fluorescence power from biological tissue excited by a femtosecond laser pulse compared with excitation power does not appear to obey a simple quadratic relationship given by the steady non-linear theory.A more reliable analysis is developed based on transient two-photon absorption because the response time of two-photon absorption is longer than the width of a femtosecond pulse.Good agreement is obtained between the theoretical analysis and the experimental results of fluorescence power versus excitation power.This letter offers potential value to non-linear optics in biological tissues.
引用
收藏
页码：48 / 50
页数：3
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