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17 May 2013 Wavelength diversity assessment of fiber bundle receiver under misalignment and turbulence
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We have constructed a fiber-bundle based FSO receiver and investigated its performance as a function of transmission misalignment, turbulence, and weather. We also investigate a wavelength diversity scheme, which consists of switching between multiple transmission wavelengths, for reducing the impact of turbulence. Three wavelengths, 850nm, 1310nm, and 1550nm, are emitted by one or more transmitting fibers, and the effects of turbulence and misalignment experimentally evaluated in an indoor environment. The receiver retained the link for a reduced range of misalignment at all wavelengths without adjustments. Initial outdoor experiments were conducted using 1550nm under various lighting, wind, and turbulence conditions.
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Peter G. LoPresti, Wei Yi, Eric Rohlman, and Hazem Refai "Wavelength diversity assessment of fiber bundle receiver under misalignment and turbulence", Proc. SPIE 8732, Atmospheric Propagation X, 87320C (17 May 2013);

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