Analysis of measured photon returns from sodium beacons

被引:61
作者
Milonni, PW
Fugate, RQ
Telle, JM
机构
[1] Univ Calif Los Alamos Natl Lab, Atom & Opt Theory Grp T 4, Los Alamos, NM 87545 USA
[2] USAF, Res Lab, Starfire Opt Range, Kirtland AFB, NM 87117 USA
来源
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION | 1998年 / 15卷 / 01期
关键词
D O I
10.1364/JOSAA.15.000217
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We describe an approach to the computation of photon returns from mesospheric sodium beacons excited by laser pulse trains and discuss as specific examples the required numbers of photons for adaptive-optical compensation of atmospheric turbulence. Computed photon return signals are compared with reported measurements for pulses that are long, short, or comparable to the D-2 radiative lifetime (16 ns). Analytical approximations in good agreement with the numerical computations are derived. The results are consistent with experimental data for the different pulse durations. (C) 1998 Optical Society of America.
引用
收藏
页码:217 / 233
页数:17
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