Dark-current density of T2SL detectors compared with Rule 07 [93]. Abbreviations for the different institution working on T2SL detectors: Fraunhofer-Institut (IAF), Jet Propulsion Laboratory (JPL), Naval Research Laboratory (NRL), Northwestern University (NWU), Raytheon Vision Systems (RVS), University of California, Santa Barbara (UCSB), Columbia University (Columbia), University of Illinois, Urbana-Champaign (UIUC), and University of New Mexico (UNM).