Plasma Spectroscopy

TUM FOPRA Experiment 111: Plasma Spectroscopy (KTA, AEP) 

Location: IPP Garching, Building I1, Room 2111

This advanced lab course provides a hands-on introduction to plasma spectroscopy. In the first part, a grating spectrometer is characterized using a spectral lamp. The students explore the effects of the slit width, aperture size, and grating constant on the resulting spectra. In the second part, a low-temperature, non-thermal inductively coupled plasma (ICP) is generated, requiring precise control of gas flow, vacuum pumps, and RF power matching. Atomic emission line intensities are measured and analyzed using the coronal equilibrium model to determine electron temperatures. Within this experiment, practical experience with modern diagnostic techniques is gained in a professional research setting.

Link to TUM



 

A laboratory room with technical equipment and a computer displaying scientific data. Wall posters with scientific information hang above it. Two people are working on the equipment.

Experimental setup for plasma spectroscopy
Photo: MPI for Plasma Physics

Scientific equipment in a laboratory, a screen displaying diagrams, posters about nuclear fusion on the wall.

Experimental setup for plasma spectroscopy
Photo: MPI for Plasma Physics

Housing of an optical device with visible electronic components and cables.

Open grid spectrometer
Photo: MPI for Plasma Physics

Complex laboratory equipment with mechanical parts and piping in a laboratory room.

Plasma chamber with glowing He-Ar plasma
Photo: MPI for Plasma Physics

A scientific device with a metal structure, cables and tubes, standing in a laboratory under purple lighting.

Plasma chamber with glowing He-Ar plasma
Photo: MPI for Plasma Physics

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