Fakultät für Physik
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High-Intensity Laser-Plasma Interactions – Overview

Lecturer

About the lecture

Time and place

Tuesday 12:00 - 15:00 c.t.
Theresienstr. 37, A 450

Tutorial

Tuesday 15:00 - 16:00 c.t.
Theresienstr. 37, A 450

Content

1 Electrons in strong laser fields
1.1 Description of laser fields
1.2 Electron in a plane wave – classical treatment
1.3 Electron in a plane wave – relativistic treatment
1.4 Energy gain of electrons in laser fields – the Lawson-Woodward theorem
1.5 Ponderomotive force

2 Basics of plasma physics
2.1 Definition of plasmas
2.2 Plasma temperature
2.3 Debye-shielding
2.4 Plasma frequency
2.5 E-M waves in plasmas

3 Ionization mechanisms
3.1 Photoelectric effect
3.2 Multi-photon ionization
3.3 Tunnel ionization
3.4 Barrier-suppression ionization
3.5 Ionization-induced defocusing of laser pulses

4 Non-linear relativistic optics
4.1 Relativistic self-focusing
4.2 Self-phase modulation and self-compression

5 Electron acceleration in underdense plasmas
5.1 Laser-wakefield acceleration
5.1.1 Longitudinal field in a plasma wave
5.1.2 Wave breaking
5.1.3 Acceleration limits and dephasing
5.2 Direct laser acceleration
5.3 Betatron oscillations

6 Ion acceleration
6.1 Electron acceleration in solid targets
6.2 Ion acceleration from foil targets
6.2.1 Target-normal sheath acceleration
6.2.2 Relativistic pressure acceleration

7 X-ray generation
7.1 High harmonics from solid surfaces
7.2 Undulator, Betatron and Thomson radiation

Literature

  • P.Gibbon: Short-Pulse Laser Interaction with Matter – an Introduction Imperial College Press, London (2005)
  • W. Kruer: The Physics of Laser-Plasma Interactions, Westview Press (2003)