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A brief overview of the experimental activities of the Atomic and Molecular Physics Physics, KTH will be given. The Atomic and Molecular Physics group is focused on studies of Atomic and Molecular Phenomena applying Synchrotron radiation excitation, working with Fusion related Atomic Physics and on Ultrafast Chemical Physics as well as general Laser Spectroscopy.
The research programme in Fusion related Atomic Physics aims to develop and apply spectroscopic methods and models to diagnose hot fusion plasmas. The research draws upon results in basic atomic and molecular physics with wide applications to space and astrophysics. The group has developed and applied new spectroscopic methods from the X-ray to the visible wavelength region at the Swedish fusion experiment EXTRAP T2 at KTH and the major European fusion experiment JET in U.K. Experiments are performed at the synchrotron facility MAX in Lund, where the decay of synchrotron light excited small molecules is studied using ion- and photon spectrometers and coincidence techniques. Photoionization and photodissociation of small fundamental molecules have been studied at valence shell energies as well as at inner shell energies using undulator radiation.
In the field of laser spectroscopy, Wave packet dynamics is being studied on diatomic molecules in the gas phase by applying ultra-fast pump- and probe techniques. Femtochemistry experiments regarding studies of dye molecules in solvents in collaboration projects with SU and groups in Uppsala and France. An experimental Laser facility has been built at AlbaNova in a collaboration project with SU. Experiments are also going on together with the Mechanics Department at KTH within an Energy-related Flow Research program. Laser experiments have been started concerning measurements on pressure and temperature of air flows in wind tunnels using pressure-sensitive paint and laser excitation.
Instrumentation and experimental techniques will be discussed.