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Multi-frame multi-exposure shock wave imaging and pressure measurementsMur, Jaka ...Shock wave visual detection was traditionally performed using streak cameras, limited to homogeneous shock wave emission, with the corresponding shock wave pressure measurements available at rather ... large distances or numerically estimated through equation of state for water. We demonstrate a multi-frame multi-exposure shock wave velocity measurement technique for all in-plane directions of propagation, based on custom-built illumination system allowing multiple illumination pulses within each frame at multi-MHz frame rates and at up to 200 MHz illumination pulse repetition frequency at sub-nanosecond pulse durations. The measurements are combined and verified using a fiber-optic probe hydrophone, providing independent shock wave pressure and time-of-flight measurements, creating a novel all-optical measurement setup. The measured pressures at distances around 100 µm from the plasma center exceed 500 MPa, while camera-based measurements at even shorter distances indicate pressures above 1 GPa.Vir: Optics express [Elektronski vir]. - ISSN 1094-4087 (Vol. 30, no. 21, 2022, str. 37664-37674)Vrsta gradiva - članek, sestavni delLeto - 2022Jezik - angleškiCOBISS.SI-ID - 123292163
Avtor
Mur, Jaka |
Reuter, Fabian |
Kočica, Jernej Jan |
Lokar, Žiga |
Petelin, Jaka |
Agrež, Vid |
Ohl, Claus-Dieter |
Petkovšek, Rok, fizik
Teme
cavitation |
laser breakdown |
shock wave |
laser illumination |
fiber-optic hydrophone |
kavitacija |
laserski preboj |
udarni val |
lasersko osvetljevanje |
vlakenski merilnik tlaka
Vnos na polico
Trajna povezava
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Mur, Jaka | 37953 |
Reuter, Fabian | |
Kočica, Jernej Jan | 52343 |
Lokar, Žiga | 37513 |
Petelin, Jaka | 35427 |
Agrež, Vid | 32091 |
Ohl, Claus-Dieter | |
Petkovšek, Rok, fizik | 15646 |
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