Journal
OPTICA
Volume 3, Issue 10, Pages 1148-1152Publisher
OPTICAL SOC AMER
DOI: 10.1364/OPTICA.3.001148
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- Canadian Institute for Advanced Research (CIFAR)
- Natural Sciences and Engineering Research Council of Canada (NSERC)
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The Rayleigh limit has so far applied to all microscopy techniques that rely on linear optical interaction and detection in the far field. Here we demonstrate that detecting the light emitted by an object in higher-order transverse electromagnetic modes (TEMs) can help in achieving sub-Rayleigh precision for a variety of microscopy-related tasks. Using optical heterodyne detection in TEM01, we measure the position of coherently and incoherently emitting objects to within 0.0015 and 0.012 of the Rayleigh limit, respectively, and determine the distance between two incoherently emitting objects positioned within 0.28 of the Rayleigh limit with a precision of 0.019 of the Rayleigh limit. Heterodyne detection in multiple higher-order TEMs enables full imaging with a resolution significantly below the Rayleigh limit in a way that is reminiscent of quantum tomography of optical states. (C) 2016 Optical Society of America
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