Signal degeneration in laser beams propagated through a turbulent atmosphere
1965; The National Institute of Standards and Technology; Volume: 69D; Issue: 4 Linguagem: Inglês
10.6028/jres.069d.072
ISSN2376-5771
Autores Tópico(s)Optical Wireless Communication Technologies
ResumoTh e sta ti s ti cal di s tributi ons of th e a ngle of arrival, th e s pot locati on, the cross section, th e amp li .tude , th e carrier phase and th e modulation phase of a la se r bea m tra ve rs in g an anisotropicaliy turbule nt at mos ph ere are de rive d in ter ms of th e s pace co rre la tio n fun c ti o n of th e at mos ph eri c ind ex of refractio n a nd the wind spee d.Th e Limit a ti o ns imposed by th e turbul e nt atm osp he re and th e lo ss ,of c ohe re nce o n th e de pth and bandwidth of th e modulation , o n th e le ng th of th e path a nd o n th e a pe rture of th e rece iv• in g appara tu s are a na lyzed .Experim e nt s to ob tai n num e ri ca l param e ters a nd tn c hf'c k fun c tional depe nde ncies are propose d.
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