Abstract：
:Targeting micrometer sized metal droplets with near-infrared sub-picosecond laser pulses generates intense stress-confined acoustic waves within the droplet. Spherical focusing amplifies their pressures. The rarefaction wave nucleates cavitation at the center of the droplet, which explosively expands with a repeatable fragmentation scenario resulting into high-speed jetting. We predict the number of jets as a function of the laser energy by coupling the cavitation bubble dynamics with Rayleigh-Taylor instabilities. This provides a path to control cavitation and droplet shaping of liquid metals in particular for their use as targets in extreme-UV light sources.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Krivokorytov MS,Zeng Q,Lakatosh BV,Vinokhodov AY,Sidelnikov YV,Kompanets VO,Krivtsun VM,Koshelev KN,Ohl CD,Medvedev VVdoi
10.1038/s41598-017-19140-wsubject
Has Abstractpub_date
2018-01-12 00:00:00pages
597issue
1issn
2045-2322pii
10.1038/s41598-017-19140-wjournal_volume
8pub_type
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