Laser shocking a shock wave for nonlinear summation of GPa pressures.
basic_science · Level V
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- Record sourced from PubMed, PMID 41715754.
- Also identified by DOI 10.1103/r5wy-znw4.
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Abstract
We present a tabletop method to investigate how tailored laser excitation can enhance shock wave generation in water. By delivering two spatiotemporally separated laser pulses focused into a confined liquid layer, we identify an optimized excitation condition that maximizes the resulting shock pressure. Remarkably, dual-pulse laser excitation leads to an overall shock pressure that far exceeds the sum of the shock pressures generated by the individual pulses. This nonlinear amplification reveals a previously unexploited laser-matter interaction regime that overcomes saturation limits in laser-driven shock generation.