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17 March 2023 High-speed photographic investigation of pulsed laser ablation in liquids with ultrahigh spatial and sub-100-ps temporal resolution
Norbert Linz, Sebastian Freidank, Alfred Vogel
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Proceedings Volume PC12410, Nanoscale and Quantum Materials: From Synthesis and Laser Processing to Applications 2023; PC124100K (2023) https://doi.org/10.1117/12.2647678
Event: SPIE LASE, 2023, San Francisco, California, United States
Abstract
Pulsed laser ablation in liquids (LAL) is a growing field for the generation of metallic nanoparticles, but a comprehensive picture of the fundamental mechanisms is still missing. Material ejection, shock wave, and cavitation bubble dynamics are investigated by high-speed photography with speckle-free illumination at exposure times below 100 ps using a novel light source that is based on amplified spontaneous emission within a femtosecond laser pumped Rhodamine dye cell. Framing rates at up to 1 MHz and accurate triggering even make it possible to capture the bubble collapse at LAL.
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Norbert Linz, Sebastian Freidank, and Alfred Vogel "High-speed photographic investigation of pulsed laser ablation in liquids with ultrahigh spatial and sub-100-ps temporal resolution", Proc. SPIE PC12410, Nanoscale and Quantum Materials: From Synthesis and Laser Processing to Applications 2023, PC124100K (17 March 2023); https://doi.org/10.1117/12.2647678
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KEYWORDS
Laser ablation
Liquids
High speed photography
Photography
Temporal resolution
Image processing
Nanoparticles
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