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Dynamic axial control over optically levitating particles in air with an electrically-tunable variable-focus lens

Zhu, Wenguo; Eckerskorn, Niko; Upadhya, Avinash; Li, Li; Rode, Andrei V; Lee, Woei Ming (Steve)


Efficient delivery of viruses, proteins and biological macromolecules into a micrometer-sized focal spot of an XFEL beam for coherent diffraction imaging inspired new development in touch-free particle injection methods in gaseous and vacuum environments. This paper lays out our ongoing effort in constructing an all-optical particle delivery approach that uses piconewton photophoretic and femtonewton light-pressure forces to control particle delivery into the XFEL beam. We combine a spatial...[Show more]

CollectionsANU Research Publications
Date published: 2016
Type: Journal article
Source: Biomedical Optics Express
DOI: 10.1364/BOE.7.002902
Access Rights: Open Access


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