Dynamic shockwave photography using a home-built MOFA laser system with flexible repetition rate up to 5 GHz

Henrik Volkens; Sebastian Freidank; Philipp Lamminger; Alfred Vogel; Robert Huber; Ralf Brinkmann; Norbert Linz

doi:10.1117/12.3080401

Dynamic shockwave photography using a home-built MOFA laser system with flexible repetition rate up to 5 GHz

Henrik Volkens, Sebastian Freidank, Philipp Lamminger, Alfred Vogel, Robert Huber, Ralf Brinkmann, Norbert Linz

Institut für Biomedizinische Optik

Medical Laser Center Lübeck

Abstract

Laser-induced ablation in liquids (LAL) is widely used for nanoparticle generation, yet its underlying mechanisms are not completely understood. We investigate interactions between shockwave, cavitation bubble and target material by multi exposure imaging with high temporal and spatial resolution. Our home-built Yb-based master oscillator fiber amplifier system delivers 170 ps pulses at 2 µJ and tunable burst rates up to 5 GHz, ideal for capturing transient events. Speckle-free imaging is achieved using a fiber-based rapid optical mode mixing approach combining spectral broadening with optical delay and spatial mode mixing of frequency-doubled 532 nm pulses.

Originalsprache	Englisch
Titel	Optical Interactions with Tissue and Cells XXXVII
Redakteure/-innen	Joel N. Bixler, Alex J. Walsh, Norbert Linz
Band	PC13849
Herausgeber (Verlag)	SPIE
Erscheinungsdatum	2026
Seiten	PC1384903
DOIs	https://doi.org/10.1117/12.3080401
Publikationsstatus	Veröffentlicht - 2026

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10.1117/12.3080401

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Volkens, H., Freidank, S., Lamminger, P., Vogel, A., Huber, R., Brinkmann, R., & Linz, N. (2026). Dynamic shockwave photography using a home-built MOFA laser system with flexible repetition rate up to 5 GHz. in J. N. Bixler, A. J. Walsh, & N. Linz (Hrsg.), Optical Interactions with Tissue and Cells XXXVII (Band PC13849, S. PC1384903). SPIE. https://doi.org/10.1117/12.3080401

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title = "Dynamic shockwave photography using a home-built MOFA laser system with flexible repetition rate up to 5 GHz",

abstract = "Laser-induced ablation in liquids (LAL) is widely used for nanoparticle generation, yet its underlying mechanisms are not completely understood. We investigate interactions between shockwave, cavitation bubble and target material by multi exposure imaging with high temporal and spatial resolution. Our home-built Yb-based master oscillator fiber amplifier system delivers 170 ps pulses at 2 µJ and tunable burst rates up to 5 GHz, ideal for capturing transient events. Speckle-free imaging is achieved using a fiber-based rapid optical mode mixing approach combining spectral broadening with optical delay and spatial mode mixing of frequency-doubled 532 nm pulses.",

author = "Henrik Volkens and Sebastian Freidank and Philipp Lamminger and Alfred Vogel and Robert Huber and Ralf Brinkmann and Norbert Linz",

year = "2026",

doi = "10.1117/12.3080401",

language = "English",

volume = "PC13849",

pages = "PC1384903",

editor = "Bixler, \{Joel N.\} and Walsh, \{Alex J.\} and Norbert Linz",

booktitle = "Optical Interactions with Tissue and Cells XXXVII",

publisher = "SPIE",

address = "United States",

}

Dynamic shockwave photography using a home-built MOFA laser system with flexible repetition rate up to 5 GHz. / Volkens, Henrik; Freidank, Sebastian; Lamminger, Philipp et al.
Optical Interactions with Tissue and Cells XXXVII. Hrsg. / Joel N. Bixler; Alex J. Walsh; Norbert Linz. Band PC13849 SPIE, 2026. S. PC1384903.

Publikation: Kapitel in Büchern/Berichten/Konferenzbänden › Konferenzbeitrag › Begutachtung

TY - GEN

T1 - Dynamic shockwave photography using a home-built MOFA laser system with flexible repetition rate up to 5 GHz

AU - Volkens, Henrik

AU - Freidank, Sebastian

AU - Lamminger, Philipp

AU - Vogel, Alfred

AU - Huber, Robert

AU - Brinkmann, Ralf

AU - Linz, Norbert

PY - 2026

Y1 - 2026

N2 - Laser-induced ablation in liquids (LAL) is widely used for nanoparticle generation, yet its underlying mechanisms are not completely understood. We investigate interactions between shockwave, cavitation bubble and target material by multi exposure imaging with high temporal and spatial resolution. Our home-built Yb-based master oscillator fiber amplifier system delivers 170 ps pulses at 2 µJ and tunable burst rates up to 5 GHz, ideal for capturing transient events. Speckle-free imaging is achieved using a fiber-based rapid optical mode mixing approach combining spectral broadening with optical delay and spatial mode mixing of frequency-doubled 532 nm pulses.

AB - Laser-induced ablation in liquids (LAL) is widely used for nanoparticle generation, yet its underlying mechanisms are not completely understood. We investigate interactions between shockwave, cavitation bubble and target material by multi exposure imaging with high temporal and spatial resolution. Our home-built Yb-based master oscillator fiber amplifier system delivers 170 ps pulses at 2 µJ and tunable burst rates up to 5 GHz, ideal for capturing transient events. Speckle-free imaging is achieved using a fiber-based rapid optical mode mixing approach combining spectral broadening with optical delay and spatial mode mixing of frequency-doubled 532 nm pulses.

U2 - 10.1117/12.3080401

DO - 10.1117/12.3080401

M3 - Conference contribution

VL - PC13849

SP - PC1384903

BT - Optical Interactions with Tissue and Cells XXXVII

A2 - Bixler, Joel N.

A2 - Walsh, Alex J.

A2 - Linz, Norbert

PB - SPIE

ER -

Dynamic shockwave photography using a home-built MOFA laser system with flexible repetition rate up to 5 GHz

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