Abstract
Arbitrary deformation of optical antenna caused by processing technique and complex outer-space environment in inter-satellite laser communications can degrade the performance of the system. It is crucial to study the influence of deformation on the high precision system. Wavelet expression is proposed in the paper for diversified distortions. The influence on received power is investigated with the consideration of location, scale and depth of the deformation. Theoretical and numerical analysis show that the distortion attenuation factor increases with scale factor; with the location of the deformation shift from the center to the edge of the antenna, the distortion attenuation factor will increase till the whole deformation is away from the shelter of the secondary mirror, and then decrease; with the linear increase of depth, when the pattern of deformation can be well approximated by a constant value, the distortion attenuation factor will fluctuate periodically, or there will be no obvious variation regularity between them. It is hoped the study can help the optical devices selection and system compensation.
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