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We report on initial results from the largest infrared AO direct imagingsurvey searching for wide orbit (>100 AU) massive exoplanets and brown dwarfsas companions around young nearby stars using Robo-AO at the 2.1-m telescope onKitt Peak, Arizona. The occurrence rates of these rare substellar companionsare critical to furthering our understanding of the origin of planetary-masscompanions on wide orbits. The observing efficiency of Robo-AO allows us toconduct a survey an order of magnitude larger than previously possible. Wecommissioned a low-noise high-speed SAPHIRA near-infrared camera to conductthis survey and report on its sensitivity, performance, and data reductionprocess.

LASSO: Large Adaptive optics Survey for Substellar Objects using the new SAPHIRA detector on Robo-AO