Greig, AmeliaCharles, ChristineBoswell, Roderick2015-12-130093-3813http://hdl.handle.net/1885/75950High-resolution digital images of the expansion plume from an electrothermal capacitively coupled radio frequency (13.56 MHz) plasma microthruster were captured for argon and nitrogen discharges in low-and high-pressure operating regimes. The sheath near201410.1109/TPS.2014.23211762015-12-11