Abstract
When a large aperture is used to collect light propagated through the atmosphere, it performs an average operation on the irradi- ance fluctuations, resulting in collected-power fluctuations that are not as large as those that could be obtained from a point receiver. We present an expression for the aperture-averaging factor of optical scintillation using multiaperture architectures on the receiver configuration. That ex- pression is used to assess the decrease in the total collected power fluctuations for several multiaperture receiver configurations. © 1996 So- ciety of Photo-Optical Instrumentation Engineers.
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