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Guillaume Graciani
첨단연성물질 연구단
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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(s)
Guillaume Graciani; François Amblard
Publication Date
2019-12
Journal
NATURE COMMUNICATIONS, v.10, no.1, pp.5761 -
Publisher
NATURE PUBLISHING GROUP
Abstract
© 2019, The Author(s).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://pr.ibs.re.kr/handle/8788114/6719
ISSN
2041-1723
Appears in Collections:
Center for Soft and Living Matter(첨단연성물질 연구단) > Journal Papers (저널논문)
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