THIRD ORDER OPTICAL NONLINEARITY AND EXCITED STATED RELAXATION OF PHYCOCYANIN

Liu Zhibin; Peng Junbiao; Li Wenlian; Deng Xiangjun

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THIRD ORDER OPTICAL NONLINEARITY AND EXCITED STATED RELAXATION OF PHYCOCYANIN

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- THIRD ORDER OPTICAL NONLINEARITY AND EXCITED STATED RELAXATION OF PHYCOCYANIN
- Chinese Journal of Luminescence Vol. 18, Issue 2, Pages: 179-181(1997)
- 作者机构：
  
  1. 中国科学院长春物理研究所长春,130021
  2. 中国科学院激发态物理开放研究实验室, 长春 130021
  3. 吉林省生物研究所, 长春 130012
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：15 April 1997，
  
  Published：30 May 1997
- 稿件说明：
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刘志斌, 彭俊彪, 李文连, 邓湘君. 藻蓝蛋白(C-Pc)的三阶光学非线性和激发态弛豫[J]. 发光学报, 1997,18(2): 179-181

Liu Zhibin, Peng Junbiao, Li Wenlian, Deng Xiangjun. THIRD ORDER OPTICAL NONLINEARITY AND EXCITED STATED RELAXATION OF PHYCOCYANIN[J]. Chinese Journal of Luminescence, 1997,18(2): 179-181
刘志斌, 彭俊彪, 李文连, 邓湘君. 藻蓝蛋白(C-Pc)的三阶光学非线性和激发态弛豫[J]. 发光学报, 1997,18(2): 179-181 DOI：

Liu Zhibin, Peng Junbiao, Li Wenlian, Deng Xiangjun. THIRD ORDER OPTICAL NONLINEARITY AND EXCITED STATED RELAXATION OF PHYCOCYANIN[J]. Chinese Journal of Luminescence, 1997,18(2): 179-181 DOI：

摘要

随着对生物体系的深入研究

特别是对光合作用原初光物理过程的研究

使人们认识到对光合器官中生物大分子的光学性质进行研究的必要性

这对理解它们结构与功能的关系有重要的参考价值.藻蓝蛋白(C-Pc)是藻类光合作用中重要的捕光色素分子之一

它在光合原初反应能量传递等过程中起着重要的作用.

Abstract

In this paper

we first presented the third-order optical nonlinearity and excited state relaxation process of phycocyanin using degenerated four-wave mixing(DFWM)and time-resolved degenerated four-wave mixing. The χ

(3)

value of phycocyanin is 1.2×10

-11

esu. By fitting its response curve of time-resolved DFWM

we obtained its relaxation lifetime is 308 ps. The third-order optical nonlinearity and excited state relaxation of phycocyanin come from the reaction among its submolecules or pyrrole molecules.

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