DR RAMY ABOUSHELBAYA, POST-DOCTORAL RESEARCH FELLOW
I am a PDRA in Peter Norreys' group with a focus on laser-plasma interactions with novel beam modes and parametric instabilities. I graduated with a DPhil under Prof Norreys’ supervision in 2020. I received my Masters’ from the Ecole Normale Superieure in 2016. My research is primarily centred on studying laser-plasma interactions using Laguerre-Gaussian and Bessel modes. Laguerre-Gaussians are characterized with a central vortex that gives them a distinct doughnut intensity profile. They also carry orbital angular momentum (OAM) unrelated to their spin angular momentum (Circular polarization). The goal is to understand parametric instabilities that are excited by these modes to see if there are advantages to using them instead of regular beams. On the other hand, Bessel beams are known for their "non-diffractive" and "self-healing" propagation over a certain coherence length. However, we still need to understand their propagation in plasma and how it affects their startling properties in order to explore their use in applications such as channelling and laser-plasma acceleration. My work involves a mix of theory, computation and experiments. I use the ARCHER supercomputer to run large-scale full 3D Particle-in-Cell of laser-plasma interactions involving these beam modes. I am also working on experiments being run in the Central Laser Facility in the UK and the ELFIE laser facility in France.
Email:
ramy.aboushelbaya@physics.ox.ac.uk
Oxford Physics Page: https://www.physics.ox.ac.uk/our-people/aboushelbaya
