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Spatial Modes of Laser-Induced Mass Transfer in Micro-Gaps

Foertsch, Tobias C.; Davis, Alex T.; Popov, Roman; von Bojničić-Kninski, Clemens; Held, Felix E.; Tsogoeva, Svetlana B.; Loeffler, Felix F.; Nesterov-Mueller, Alexander

Abstract:
We have observed the concentric deposition patterns of small molecules transferred by means of laser-induced forward transfer (LIFT). The patterns comprised different parts whose presence changed with the experimental constraints in a mode-like fashion. In experiments, we studied this previously unknown phenomenon and derived model assumptions for its emergence. We identified aerosol micro-flow and geometric confinement as the mechanism behind the mass transfer and the cause of the concentric patterns. We validated our model using a simulation.

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Verlagsausgabe §
DOI: 10.5445/IR/1000094536
Veröffentlicht am 13.05.2019
Coverbild
Zugehörige Institution(en) am KIT Institut für Mikrostrukturtechnik (IMT)
Publikationstyp Zeitschriftenaufsatz
Jahr 2019
Sprache Englisch
Identifikator ISSN: 2076-3417
KITopen-ID: 1000094536
Erschienen in Applied Sciences
Band 9
Heft 7
Seiten Article: 1303
Bemerkung zur Veröffentlichung Gefördert durch den KIT-Publikationsfonds
Vorab online veröffentlicht am 28.03.2019
Schlagworte LIFT; bio-printing; aerosol; confinement; deposition patterns
Nachgewiesen in Scopus
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