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P: Fachverband Plasmaphysik

P 8: Complex Plasmas and Dusty Plasmas I

P 8.2: Vortrag

Dienstag, 27. Februar 2024, 11:30–11:45, WW 1: HS

A full Stokes imaging polarimeter for nanodusty plasma applications — •Alexander Schmitz, Andreas Petersen, and Franko Greiner — Institute of Experimental and Applied Physics, Kiel University, Kiel, Germany

Full Stokes imaging Mie polarimeters are required to study the detailed dynamic of particle growth in reactive plasmas. Various concepts exist, which often rely on the rotation or switching of optical components. Our setup, constructed from two divisions of focal plane CMOS cameras, presents a new imaging polarimeter with high spatial resolution that does not require moving optics.

The accuracy of the polarimeter has been carefully investigated. The performance of the new polarimeter is demonstrated by visualizing two-generation layered particle growth in a reactive Argon-Acetylene plasma.

Keywords: nanodusty plasma; plasma diagnostics; Mie scattering; polarimentry