Experimental Methods in Atomic and Molecular Physics

The main themes of this teaching unit are charged particle optics, atomic and electronic collisions, and atomic and molecular spectroscopy.
We elaborate on the means to produce, store and guide charged particles using electric and magnetic fields. We illustrate the relevance of this know-how to the study of cross sections of collisions or photon-induced processes. An emphasis is then put on ultra-sensitive and precise techniques of spectroscopy using the detection of photons or of charged particles. Different cooling techniques, i.e. supersonic expansion and buffer gas cooling, are also presented to simplify and enhance quantized signatures in absorption or collision experiments.