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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Grégory David, Oliver Reich, Matúš E. Divéky, Sandra Roy, Evelyne A. Parmentier, Johannes W. Cremer, Kivanç Esat, and Ruth Signorell, "Characterization and control of droplets optically trapped in air," Proc. SPIE 11083, Optical Trapping and Optical Micromanipulation XVI, 1108322 (Presented at SPIE Nanoscience + Engineering: August 14, 2019; Published: 9 September 2019); https://doi.org/10.1117/12.2528743.