High resolution ARPES-PIMS imaging environment
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Paul Scherrer Institut Molecular Dynamics, OVGA/117 5232 Villigen/PSI | Thomas Gerber Tel +56 310 24 75 th om as .g er be r@ ps i. ch | |
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Molecular dynamics and dissociation processes are monitored with an ARPES/PIMS apparatus (left/top) with a high temporal time of flight (TOF) and high spatial velocity map imaging (VMI) resolution. With a fs- two colour tunable laser system relaxation processes can be probed on the < 100 fs scale in molecules. Subsequent molecular dissociation or ionization upon excitation by the probe pulse can be registered with a 20 ps resolution. A second ARPES/VMI-PIMS set up (right), dedicated to ion dissociation rate measurements following excitation in the VUV domain, is installed at the SLS/VUV beamline providing monochromatic VUV light tunable over a 4-30 eV range at a bandwidth of 1-3 meV. This set up is accessible to external users upon request: http://www.psi.ch/useroffice/useroffice and http://www.psi.ch/sls/vuv/vuv. |