TY - RPRT TI - Compact imaging system using a co-linear, high-intensity LED illumination unit to minimize window reflections for background-oriented schlieren, shadowgraph, photogrammetry and machine vision measurements AU - Bathel, Brett F. AU - Jones, Stephen B. AU - Weisberger, Joshua M. PY - 2022 UR - https://www.osti.gov/biblio/1986831 ID - 1986831 ER -