A free-space optical communication experiment involves a pair of FSO devices with one fixed on the top floor of a building, while the other is loaded on a radio-controlled electric vehicle so it can move around to vary the distance of the FSO link nodes. (IMAGE)

SPIE--International Society for Optics and Photonics

A free-space optical communication experiment involves a pair of FSO devices with one fixed on the top floor of a building, while the other is loaded on a radio-controlled electric vehicle so it can move around to vary the distance of the FSO link nodes.

Caption

A free-space optical communication experiment involves a pair of FSO devices with one (“Alice”) fixed on the top floor of a building, while the other (“Bob”) is loaded on a radio-controlled electric vehicle so that it can move around to vary the distance of the FSO link nodes. Image credit: Liu, Zhang, et al., doi 10.1117/1.APN.2.6.065001.

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Liu, Zhang, et al., doi 10.1117/1.APN.2.6.065001.

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