Maximizing energy efficiency in laser-plasma electron acceleration through pulse length and plasma density optimization

The optimization of laser and plasma parameters for energy-efficient electron acceleration is a challenging problem that requires a multidisciplinary approach. This method takes into consideration the features of the laser as well as the ambient conditions of the plasma medium. In this study a laser pulse of sin profile is chosen to generate laser wakefield in plasma. Analytical expressions for generated laser wake potential, wakefield and electron energy gain are obtained, and curves are plotted to compare the results. Our analytical study shows that Laser pulse strength plays a crucial role in energy gain of electrons and for a particular pulse length, an optimized plasma density is required for optimum electron energy gain and for a particular plasma density, an optimized pulse length is required for optimum electron energy gain. So, the laser parameter (laser pulse length) and plasma parameter (plasma density) have mutual connection which must be taken into account for energy efficient electron acceleration.