偏振光子的多层大气散射模型及其应用

大气与环境光学学报 ›› 2010, Vol. 5 ›› Issue (5): 334-341.

偏振光子的多层大气散射模型及其应用

史鹏，张闻钊，马丽珍，顾永建

（中国海洋大学物理系，山东青岛 266100）

出版日期:2010-09-28 发布日期:2010-09-14
通讯作者: 史鹏（1984-），男，山东省新泰市人，研究生，主要从事大气光学与量子信息等领域的研究。 E-mail:yjgu@ouc.edu.cn
作者简介:史鹏（1984-），男，山东省新泰市人，研究生，主要从事大气光学与量子信息等领域的研究。
基金资助:
国家自然科学基金(60677044)资助

A Model and Polarized Photons Scattering in Multilayered Atmosphere Its Application for

SHI Peng, ZHANG Wen-zhao, MA Li-zhen, GU Yong-jian

(Department of Physics, Ocean University of China, Qingdao 266100, China)

Published:2010-09-28 Online:2010-09-14

摘要/Abstract

摘要：

为研究偏振光子在自由空间的传播特性，我们将大气视作分层介质，提出了“虚粒子”的概念：它处于两层大气的分界面上，只改变光子的步长而不改变其传播方向和偏振态，从而建立了偏振光子的多层大气Mie散射模型。基于该模型，我们对偏振光子在多层大气中的传播过程作了Monte Carlo模拟。模拟结果表明，该模型可以清晰地揭示各种大气传输过程中光子偏振态的变化及其规律，因而能够为自由空间量子通信及其它基于偏振光大气传播的相关研究提供支持。

关键词: 偏振光子；多层大气模型；Mie散射；虚粒子

Abstract:

In order to study the propagation of polarized photons in free-space, the concept “virtual particles” is proposed with the model of multilayered atmosphere. Located at the dividing surface of two atmospheric layers, the “virtual particles” only change the step distance, but not affect the propagating direction or the polarization of photons. On this basis the Mie scattering model of polarized photons in the multilayered atmosphere is established. The Monte Carlo simulation of the propagation of polarized photons in the multilayered atmosphere is made based on the model. The results show that this model can explicitly reveal the changes and their rules of polarization of photons in all kinds of atmospheric propagating processes. Therefore it can provide support for free-space quantum communication and other related studies based on atmospheric propagation of polarized photons.

Key words: polarized photons; multilayered atmosphere model; Mie scattering; virtual particles

中图分类号:

O436.2

史鹏张闻钊马丽珍顾永建. 偏振光子的多层大气散射模型及其应用[J]. 大气与环境光学学报, 2010, 5(5): 334-341.

SHI Peng, ZHANG Wen-Zhao, MA Li-Zhen, GU Yong-Jian. A Model and Polarized Photons Scattering in Multilayered Atmosphere Its Application for[J]. Journal of Atmospheric and Environmental Optics, 2010, 5(5): 334-341.

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