Characterization and control of droplets optically trapped in air
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Date
2019
Publication Type
Conference Paper
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Abstract
In this contribution we present experiments used to control and characterize single optically trapped aerosol particles. These experiments include a counter-propagating optical tweezer, a feedback control mechanism to stabilize the particle in the trap and a two-angle optical scattering measurement to monitor the time-evolution of the particle size. Experimental setups and results are presented for these experiments.
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published
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Book title
Proceedings Volume 11083, Optical Trapping and Optical Micromanipulation XVI 1108322 (2019)
Journal / series
Volume
11083
Pages / Article No.
Publisher
SPIE
Event
SPIE NanoScience + Engineering (2019)
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Software
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Organisational unit
03961 - Signorell, Ruth / Signorell, Ruth
Notes
This work was supported by the Swiss National Science Foundation (SNSF grants no. 200020_172472 and 200020_177479) and the ETH Zurich (grant no. ETH-42 18-1).
Funding
172472 - Phase Transitions of Ultrafine Aerosol Particles: Condensation, Freezing, and Metal Formation in Confined Systems (SNF)
177479 - Fundamentals of Aerosol Photoacoustic Spectroscopy (SNF)
177479 - Fundamentals of Aerosol Photoacoustic Spectroscopy (SNF)