In order for mobile optical transceivers to communicate, the transceivers must be able to acquire and maintain a free-space
optical link between them despite misalignments due to movement and the effects of atmospheric turbulence.
Recently, novel transmitters and receivers, along with specifically designed control algorithms, were proposed that
incorporated a fiber-bundle approach for improving the ease of acquiring and maintaining the link between two
transceivers. Preliminary transmitter and receiver nodes have been constructed for testing the capabilities of this
approach. This paper investigates the performance of a transmitter and receiver pair through experimental methods. The
performance is evaluated on several key parameters, including initial acquisition time, up time of the link when
perturbed by movement or simulated atmospheric impairment, and the link recapturing time once a connection is lost.
The dependence of the key parameters is evaluated for different levels and types of perturbations, as well as design
choices at the transmitter and receiver. The results show that the optical control system successfully recovered and
maintained the link while the receiver was in motion, although the performance was impacted by the angular
misalignment tolerance of the receiver. The strengths and limitations of the approach revealed by the experiments are
also discussed, along with paths for further improvements.