Laser pulse propagation in a meter scale rubidium vapor/plasma cell in AWAKE experiment
Atefeh Joulaei, Joshua Moody, Nicolas Berti, Jerome Kasparian, Saeed, Mirzanejhad, Patric Muggli
TL;DR
This paper presents numerical simulations of laser pulse propagation in a rubidium vapor cell to optimize parameters for creating a uniform plasma suitable for the AWAKE experiment.
Contribution
It introduces a modified 2D simulation model to study laser-vapor interactions for plasma formation in the context of the AWAKE project.
Findings
Identification of laser parameters for full vapor ionization
Simulation results guiding plasma uniformity
Optimization of laser pulse conditions for AWAKE
Abstract
We present the results of numerical studies of laser pulse propagating in a 3.5 cm Rb vapor cell in the linear dispersion regime by using a 1D model and a 2D code that has been modified for our special case. The 2D simulation finally aimed at finding laser beam parameters suitable to make the Rb vapor fully ionized to obtain a uniform, 10 m-long, at least 1 mm in radius plasma in the next step for the AWAKE experiment.
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