Dual-channel heterodyne measurements of atmospheric phase fluctuations

被引：6
|
作者：
Ridley, KD
Jakeman, E
Bryce, D
Watson, SM
机构：
[1] QinetiQ, Malvern WR14 3PS, Worcs, England
[2] Univ Nottingham, Dept Elect & Elect Engn, Nottingham NG7 2RD, England
[3] Univ Nottingham, Sch Math Sci, Nottingham NG7 2RD, England
来源：
APPLIED OPTICS | 2003年 / 42卷 / 21期
关键词：
D O I：
10.1364/AO.42.004261
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A dual-channel fiber-coupled laser heterodyne system operating at a 1.55-mum wavelength is used to investigate phase fluctuations induced on a laser beam by propagation through turbulent air. Two receivers are used to characterize spatial and temporal variations produced by a turbulent layer of air in the laboratory. The system is also used for measurements through extended turbulence along an 80-m outdoor atmospheric path. Phase structure functions, power spectral densities, and cross correlations are presented. (C) 2003 Optical Society of America.
引用
收藏
页码：4261 / 4268
页数：8
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