Experimental Study of Plasma Bubble Dynamics in a Magnetized Plasma Environment

The compact coaxial gun is employed to experimentally study the expansion of magnetized plasma bubbles into a magnetized background plasma, simulating the behavior of extragalactic radio lobes in the interstellar medium. To facilitate detailed examination on a laboratory scale, the high-pressure gas system of the plasma gun has been enhanced for more precise control of bubble expansion. Utilizing a multi-tip Langmuir probe array, a high-speed camera, and a B-dot probe array, we investigate the plasma bubble's evolution as it interacts with the pre-existing magnetized background plasma. Furthermore, modifications to the experimental setup allow for the study of the Hall effect, with experimental data being compared to simulation results.