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Amblard, Francois
School of Life Science
Research Interests
  • Biology

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Super-resolution provided by the arbitrarily strong superlinearity of the blackbody radiation

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Title
Super-resolution provided by the arbitrarily strong superlinearity of the blackbody radiation
Author
Graciani, GuillaumeAmblard, Francois
Issue Date
2019-12
Publisher
NATURE PUBLISHING GROUP
Citation
NATURE COMMUNICATIONS, v.10, pp.5761
Abstract
Blackbody radiation is a fundamental phenomenon in nature, and its explanation by Planck marks a cornerstone in the history of Physics. In this theoretical work, we show that the spectral radiance given by Planck's law is strongly superlinear with temperature, with an arbitrarily large local exponent for decreasing wavelengths. From that scaling analysis, we propose a new concept of super-resolved detection and imaging: if a focused beam of energy is scanned over an object that absorbs and linearly converts that energy into heat, a highly nonlinear thermal radiation response is generated, and its point spread function can be made arbitrarily smaller than the excitation beam focus. Based on a few practical scenarios, we propose to extend the notion of super-resolution beyond its current niche in microscopy to various kinds of excitation beams, a wide range of spatial scales, and a broader diversity of target objects.
URI
https://scholarworks.unist.ac.kr/handle/201301/30839
URL
https://www.nature.com/articles/s41467-019-13780-4
DOI
10.1038/s41467-019-13780-4
ISSN
2041-1723
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SLS_Journal Papers
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