Investigation of Pre-Pulse Effects on Ultrashort-Pulse Laser Interaction with Structured Targets
Source abstract
Abstract
The role of pre-plasma in the efficient generation of protons by intense laser-matter interaction from structured targets is investigated. Optimal energy coupling between laser and plasma is found by varying the fluence and arrival time of an independently controllable ultrashort pre-pulse with respect to the main interaction pulse. The coupling is evaluated based on the energy of the accelerated protons. The accelerated proton energy is maximized at optimal pre-pulse delay and fluence conditions. Plasma emission spectrum and Particle-in-Cell simulations provide a possible explanation of the obtained experiment results.
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Research context
OpenAlex topics: Laser-Plasma Interactions and Diagnostics · Laser-Matter Interactions and Applications · Laser-induced spectroscopy and plasma
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Racah Institute of Physics, The Hebrew University of Jerusalem, Jerusalem 91904, Israel
Extreme Light Infrastructure—ALPS, 6728 Szeged, Hungary
References (52)
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