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physics.optics2026
Megabar Shocks on a Benchtop
Yun Kai, Min Kim, Senpeng Lin +9
Techniques to generate megabar (100 GPa) pressure are critical for the study of materials under extreme conditions. However, kJ-class lasers are typically needed to generate such e…
physics.optics2022
High-power laser beam shaping using a metasurface for shock excitation and focusing at the microscale
Yun Kai, Jet Lem, Marcus Ossiander +6
Achieving high repeatability and efficiency in laser-induced strong shock wave excitation remains a significant technical challenge, as evidenced by the extensive efforts undertake…
physics.optics2021
Nonlinear optical absorption in nanoscale films revealed through ultrafast acoustics
Ievgeniia Chaban, Radoslaw Deska, Gael Privault +7
Herein we describe a novel spinning pump-probe photoacoustic technique developed to study nonlinear absorption in thin films. As a test case, an organic polycrystalline thin film o…