Recent progress in short-range ultraviolet communication

Gary A. Shaw; Andrew M. Siegel; Joshua Model; Daniel Greisokh

doi:10.1117/12.603196

27 May 2005 Recent progress in short-range ultraviolet communication

Gary A. Shaw, Andrew M. Siegel, Joshua Model, Daniel Greisokh

Proceedings Volume 5796, Unattended Ground Sensor Technologies and Applications VII; (2005) https://doi.org/10.1117/12.603196
Event: Defense and Security, 2005, Orlando, Florida, United States

Abstract

This paper describes recent advances in the technology for, and implementation of, short-range optical communication links. The approach relies on molecular scattering of ultraviolet wavelengths by the atmosphere to achieve non-line-of-sight, omni-directional communication links. The same technology is also shown to be attractive for certain classes of line-of-sight links. A UV communication testbed implementation is described that is unique, employing research-grade semiconductor sources emitting in the solar-blind region of the UV spectrum, around 275nm. This paper extends previously reported field measurements to longer ranges and to a wider variety of application scenarios, including operation under tree canopy and operation in short-range quasi-line-of-sight links. Field measurements of atmospheric extinction at 275nm are reported and incorporated in a single-scatter propagation model to predict performance of line-of-sight links. Application of UV communication to foliage penetration uplinks is described, and performance is quantified through field measurements.

Citation Download Citation

Gary A. Shaw, Andrew M. Siegel, Joshua Model, and Daniel Greisokh "Recent progress in short-range ultraviolet communication", Proc. SPIE 5796, Unattended Ground Sensor Technologies and Applications VII, (27 May 2005); https://doi.org/10.1117/12.603196

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