Misha Stepanov | publications | ICONO '95 (1996)

E. V. Podivilov, D. A. Shapiro, M. G. Stepanov, Narrowing of saturation resonance in collisional plasma, SPIE Proceedings 2797 (Nonlinear Spectroscopy and Ultrafast Phenomena) 226–231 (1996).

DOI: 10.1117/12.239792
PDF (166.75 KB)

The profile of nonlinear resonance in the probe‑field ionic spectrum is shown to narrow down with the saturating field detuning. Physical cause of the effect is the falling velocity dependence of Coulomb collision frequency.