TY - RPRT TI - Photon Counting Arrays for Deep Space Optical Beacon Acquisition and Tracking AU - Farr, William AU - Srinivasan, Meera AU - Patawaran, Ferze AU - Quirk, Kevin AU - Nguyen, Danh AU - Sahasrabudhe, Adit PY - 2011 UR - https://ntrs.nasa.gov/citations/20150006551 ID - 20150006551 ER -