Shocking a Shock Wave for Nonlinear Summation of GPa Pressures
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arXiv
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| Autori principali: | , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| Soggetti: | |
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| _version_ | 1866918290681495552 |
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| author | Lem, Jet Kai, Yun Vassaux, Maxime Kooi, Steven E. Nelson, Keith A. Pezeril, Thomas |
| author_facet | Lem, Jet Kai, Yun Vassaux, Maxime Kooi, Steven E. Nelson, Keith A. Pezeril, Thomas |
| contents | Exploring shock-shock interactions has been limited by experimental constraints, particularly in laser-induced shock experiments due to specialized equipment requirements. Herein, we introduce a tabletop approach to systematically investigate the excitation and superposition of dual laser-induced shock waves in water. Utilizing two laser pulses, spatio-temporally separated and focused into a confined water layer, we identify the optimal superposition leading to the highest combined shock pressure. Our results demonstrate that combining two shock waves each of $\sim$0.6~GPa pressure yields an overall shock pressure of $\sim$3~GPa. Our findings, suggesting an inherent nonlinear summation from the laser excitation process itself and highlights a new pathway for energy-efficient laser shock wave excitation. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2504_00326 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Shocking a Shock Wave for Nonlinear Summation of GPa Pressures Lem, Jet Kai, Yun Vassaux, Maxime Kooi, Steven E. Nelson, Keith A. Pezeril, Thomas Applied Physics Fluid Dynamics Exploring shock-shock interactions has been limited by experimental constraints, particularly in laser-induced shock experiments due to specialized equipment requirements. Herein, we introduce a tabletop approach to systematically investigate the excitation and superposition of dual laser-induced shock waves in water. Utilizing two laser pulses, spatio-temporally separated and focused into a confined water layer, we identify the optimal superposition leading to the highest combined shock pressure. Our results demonstrate that combining two shock waves each of $\sim$0.6~GPa pressure yields an overall shock pressure of $\sim$3~GPa. Our findings, suggesting an inherent nonlinear summation from the laser excitation process itself and highlights a new pathway for energy-efficient laser shock wave excitation. |
| title | Shocking a Shock Wave for Nonlinear Summation of GPa Pressures |
| topic | Applied Physics Fluid Dynamics |
| url | https://arxiv.org/abs/2504.00326 |