Abstract
Local distortions in lenses of transmitter optical system could further
deteriorate the performance of intersatellite laser communications (lasercom).
Bit error rate (BER) for on–off keying system is investigated considering
the combined influence of local distortion and pointing error, without considering
the noise of the detector. It is shown that BER varies regularly with the
characteristic parameters of local distortion. Peak-to-valley value that is
usually used to evaluate lens machining precision is determined, and the key
principles for selecting lenses are given. This paper can contribute to the
lasercom system design.
© 2011 IEEE
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