Module: Mikrowelt: Nonlineare Diffusionsprozesse
Sequence: lev0_start
Branching Point: Energy and Structure Research

Sequence: lev1_fusion
Slide: Nuclear fusion - a low-risk nuclear energy option

Slide: Energy source of the Sun: Fusion of hydrogen into helium

Slide: Plasma - the "forth state of aggregation"

Slide: Sun: Fusion of four Hydrogen atoms

Slide: "Mass defect"

Slide: Nuclear fusion devices: fusion of deuterium and tritium

Branching Point: The way towards the fusion reactor

Sequence: lev2_fusion_history
Slide: "On the question of the possible synthesis of elements in stars" ...

Slide: The first Stellarator

Slide: Harwell 1955 - Startpoint of International Cooperation

Sequence: lev2_fusion_tokamak
Slide: TOKAMAK - functional principle of a legend

Slide: Magnetic confinement and additional heating

Slide: ASDEX Upgrade (Max Planck Institute for Plasma Physics)

Slide: Plasma discharge in the ASDEX Upgrade

Slide: Record holder: Joint European Torus (JET, Culham)

Slide: Deuterium-Tritium Fusion Fire in the JET

Slide: Ready on the drawing board: ITER, the first experimental reactor

Slide: ITER - the second-largest research project worldwide

Sequence: lev2_fusion_stellarator
Slide: Stellarator - the elegant alternative

Slide: Assembly of a Wendelstein 7-X segment

Slide: Coil system of the Wendelstein 7-X

Slide: Forerunner and pioneer: Wendelstein 7-AS

Slide: Plasma vessel of the Wendelstein 7-AS

Slide: Plasma discharge in the Wendelstein 7-AS

Sequence: lev1_Xlaser
Slide: From Particle Accelerator to Light Source

Slide: Cavity Acceleration

Slide: Relativistic Length Contraction

Slide: SASE Principle of the Free Electron Laser (FEL)
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Plasma discharge in the Wendelstein 7-AS

Tangential view of the plasma.

The light contours near the plasma boundary hint at an island-like field structure that is used to remove particles from the boundary layer in a controlled manner ("Island Divertor").

Limits of operation in the W-7AS

Electron temperature: 79 Million degrees

Ion temperature: 17 Million degrees

Electron density: 3.5*1020 particles per cubic metre

Energy confinement time: 60 milliseconds

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