High-resolution imaging of a long-distance target with a single-slit streak-tube lidar

Streak-tube lidar (STIL) is an excellent laser-imaging system, which can provide a high-resolution 4D-image. Compared to multi-slit STIL (MS-STIL), single-slit STIL (SS-STIL) can offer much higher image resolution using beam compression. This advantage is important for identification of a long distance target. We propose a method for increasing the SS-STIL-system resolution and perform an experiment on high-resolution imaging of a long-distance target. Since the beam-compression rate is limited due to the resolution of the streak-tube photocathode, we propose a method for defining the proper laser-beam shape in the STIL-system design.