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20 October 2004 Free-space optical communication with a squamosal ball mirror
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In this paper, we propose some squamosal ball mirrors for free space optical communication. The system is simulated by ray tracing for analyzing the refracted and scattered optical signal. Considering the effect of Gaussian beam of the incident signal being refracted or scattered by the squamosal ball mirror, based on the ray tracing study, we investigating the beam uniformity for the covering area. Four cases of the ball mirror are investigated and the fractional energy of the covering range are obtained.
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Shyh-Lin Tsao and Chi-Wei Chang "Free-space optical communication with a squamosal ball mirror", Proc. SPIE 5550, Free-Space Laser Communications IV, (20 October 2004);

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