Single molecule light field microscopy
- 21 August 2020
- journal article
- research article
- Published by Optica Publishing Group in Optica
- Vol. 7 (9), 1065-1072
- https://doi.org/10.1364/optica.397172
Abstract
We introduce single molecule light field microscopy (SMLFM), a new class of three-dimensional (3D) single molecule localization microscopy. By segmenting the back focal plane of a microscope objective with an array of microlenses to generate multiple 2D perspective views, the same single fluorophore can be imaged from different angles. These views, in combination with a bespoke fitting algorithm, enable the 3D positions of single fluorophores to be determined from parallax. SMLFM achieves up to 20 nm localization precision throughout an extended 6 mu m depth of field. The capabilities of SMLFM are showcased by imaging membranes of fixed eukaryotic cells and DNA nanostructures below the optical diffraction limit. Published by The Optical Society under the terms of the Creative Commons Attribution 4.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.Keywords
Funding Information
- Engineering and Physical Sciences Research Council (EP/G037256/1, EP/L015455/1, EP/M003663/1, EP/R025398/1)
- Cambridge Commonwealth, European and International Trust
- Higher Education Commission, Pakistan
- Wellcome Trust (212936/Z/18/Z)
- Royal Society (RGF\EA\181021, uf120277, URF\R\180029)
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