Confinement of particles in Penning traps yields two major advantages for spectroscopy, namely localisation for extended periods (i.e. the particle position is constant and well-known) and cooling (which leads to small Doppler shifts and broadening of transitions). Also, the particle ensemble can often be treated as a point-like source, which facilitates detection. We give a short account of the important aspects to optical spectroscopy when performed in a Penning trap.
CITATION STYLE
Vogel, M. (2018). Optical Spectroscopy. In Springer Series on Atomic, Optical, and Plasma Physics (Vol. 100, pp. 289–296). Springer. https://doi.org/10.1007/978-3-319-76264-7_18
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