Title :
Modeling the ionization dynamics of xenon in intense laser-produced xenon cluster plasmas
Author :
Petrova, T.B. ; Whitney, K.G. ; Davis, J.
Author_Institution :
Berkeley Res. Inc., Beltsville, MD, USA
Abstract :
Summary form only given. A highly amplified line emission has been observed at 2.86 A in plasmas that are created when an intense laser pulse > 1020 WcrrIcircldquo2 irradiates a gas of xenon clusters1. In this talk, in an effort directed towards explaining this observed behavior, we study the population dynamics in the O-, Ni-, and Co-like ionization stages of Xe where significant amounts of population can be stored in the plasma in the ground state of Ni-like xenon and where the An = 0 states of Co-like xenon have multiplet structure. The construction of L-shell multiplet models and lumped state M-shell models is described using the FAC code to generate the energy, A- coefficient, collision strength, and collisional- and photo- ionization cross-section data needed in the construction of a xenon ionization dynamic model. In particular, the dynamics by which Co-like hole states are generated and by which they decay is described.
Keywords :
ionisation; plasma production by laser; xenon; L-shell multiplet models; M-shell models; highly amplified line emission; intense laser-produced xenon cluster plasmas; ionization dynamics; population dynamics; xenon; Gas lasers; Ionization; Laboratories; Laser modes; Laser theory; Optical pulses; Physics; Plasmas; USA Councils; Xenon;
Conference_Titel :
Plasma Science - Abstracts, 2009. ICOPS 2009. IEEE International Conference on
Conference_Location :
San Diego, CA
Print_ISBN :
978-1-4244-2617-1
DOI :
10.1109/PLASMA.2009.5227406