Three-dimensional nano-localization of single fluorescent emitters

We present a combination of self-interference microscopy with lateral super-resolution microscopy and introduce a novel approach for localizing a single nano-emitter to within a few nanometers in all three dimensions over a large axial range. We demonstrate nanometer displacements of quantum dots placed on top of polymer bilayers that undergo swelling when changing from an air to a water environment, achieving standard deviations below 10 nm for axial and lateral localization.


Published in:
Optics Express, 18, 19, 20263-20272
Year:
2010
Publisher:
Optical Society of America
ISSN:
1094-4087
Keywords:
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 Record created 2010-09-10, last modified 2018-03-17

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