b'33Left: The focal plane array (FPA) package is the optical engine of Argo Lidars high-power laser receiver. Constructed from a combination of copper and tungsten, every laser transmitter has a cor-responding FPA that is at the heart of making the lidar system work. Right: Dinah Williamson is one of a small team of technicians focused on assembly and fabrication of prototypes at the lidar lab in Cranbury. Here she works with a wire-bonding tool to test the system. FullBook_Mar24.indb 33 4/25/21 6:42 PM'