PAMELA: Propagation Analysis and Modeling Experiments for Laser Applications

Laser communication has enormous potential to provide a secure, jam-resistant, low detection probability and high-bandwidth means to support multimedia, imagery, video, mapping and other command and control functions in battlefield environments. We propose to develop a complete numerical model for lasercom links, which will predict the performance and evaluate tactical feasibility of lasercom links, guide link design, evaluate the efficiency of scintillation mitigation techniques, and identify areas where further research is required. During the Phase I program we will evaluate jointly with researchers from ARL/NRL an approach for estimating the vertical profile of the structure parameter based on its values predicted by the turbulence model in the surface layer. We will develop a model for a closed-loop optical tracker, total link budget analysis, and aero-optics effects in the lasercom link. We will integrate this model with the wave-optics code for propagation through turbulence, and evaluate the performance of the Tera Hertz Operational Reachback (THOR) communication links. In addition, we will validate the efficiency of the mitigation techniques to reduce turbulence-induced signal fading in the communication links and develop a top level software architecture to provide a complete model of military laser communication.