Recent advancements in lidar technologies have led to significant improvements in Teledyne Optech’s airborne lidar systems. This paper will present the performance enhancements that have led to the creation of the Galaxy, a compact scanning lidar system. Unlike the previous generation of conventional airborne lidar, the Galaxy offers fundamentally improved specifications for long-range airborne lidar systems. The Galaxy system is capable of acquiring high-density, multiple-return data with unique pulse separation characteristics and exceptional precision. Utilizing discrete time-of-flight measurement electronics, this new system is capable of seamlessly operating at very high laser repetition rates through blind zones and with multiple pulses in the air. By utilizing even higher scan products , the system outperforms previous generations of systems and optimizes point density during collection.

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Daryl Hartsell, Paul E. LaRocque, and Jeffrey Tripp, "Galaxy: a new state of the art airborne lidar system," Proc. SPIE 10008, Remote Sensing Technologies and Applications in Urban Environments, 100080U (Presented at SPIE Remote Sensing: September 27, 2016; Published: 26 October 2016); https://doi.org/10.1117/12.2241841.