Dynamic measurements and simulations of airborne picolitre-droplet coalescence in holographic optical tweezers

Dynamic measurements and simulations of airborne picolitre-droplet coalescence in holographic optical tweezers

We report studies of the coalescence of pairs of picolitre aerosol droplets manipulated with holographic optical tweezers, probing the shape relaxation dynamics following coalescence by simultaneously monitoring the intensity of elastic backscattered light (EBL) from the trapping laser beam (time re...

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Veröffentlicht in:The Journal of chemical physics 2016-08, Vol.145 (5), p.054502-054502
Hauptverfasser: Bzdek, Bryan R., Collard, Liam, Sprittles, James E., Hudson, Andrew J., Reid, Jonathan P.
Format: Artikel
Sprache:eng
Schlagworte:
Airborne sensing
Backscattering
COALESCENCE
Coalescing
Computer simulation
DROPLETS
EXPERIMENTAL DATA
Frames (data processing)
HOLOGRAPHY
INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY
Laser beams
Luminous intensity
Monitoring
Optical traps
Physics
Recording
RELAXATION TIME
SIMULATION
SURFACE TENSION
TIME DEPENDENCE
TIME RESOLUTION
VISCOSITY
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Beschreibung
Zusammenfassung:We report studies of the coalescence of pairs of picolitre aerosol droplets manipulated with holographic optical tweezers, probing the shape relaxation dynamics following coalescence by simultaneously monitoring the intensity of elastic backscattered light (EBL) from the trapping laser beam (time resolution on the order of 100 ns) while recording high frame rate camera images (time resolution
ISSN:0021-9606
1089-7690
DOI:10.1063/1.4959901