Optics Letters, volume 46, issue 15, pages 3584-3587
Non-Planck thermal emission from two-level media
Nechepurenko I.A.
1, 2
,
Publication type: Journal Article
Publication date: 2021-07-22
Journal:
Optics Letters
Quartile SCImago
Q1
Quartile WOS
Q2
Impact factor: 3.6
ISSN: 01469592, 15394794
Atomic and Molecular Physics, and Optics
Abstract
Thermal emission is a universal phenomenon of stochastic electromagnetic emission from absorbing bodies at elevated temperatures. A defining feature of this emission is the monotonic and rapid growth of its intensity with the object’s temperature for most known materials. This growth originates from the Bose–Einstein statistics of the thermal photonic field. The fact that the material’s ability to emit light may change with temperature, however, is often overlooked. Here, we carry out a theoretical study of thermal emission from structures incorporating two-level media. We investigate this effect in a range of geometries including thin films and compact nanoparticles and establish the general dependencies in the evolution of thermal emission from such systems. Thermal emission turns out to be essentially non-Planckian and exhibits a universal asymptotic behavior in the limit of high temperatures. These results might have important implications for the design of thermal energy harvesting and thermal vision systems.
Citations by journals
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Nanoscale
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Nanoscale
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Citations by publishers
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Royal Society of Chemistry (RSC)
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Royal Society of Chemistry (RSC)
1 publication, 100%
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Nechepurenko I., Baranov D. G. Non-Planck thermal emission from two-level media // Optics Letters. 2021. Vol. 46. No. 15. pp. 3584-3587.
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Nechepurenko I., Baranov D. G. Non-Planck thermal emission from two-level media // Optics Letters. 2021. Vol. 46. No. 15. pp. 3584-3587.
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TY - JOUR
DO - 10.1364/OL.433050
UR - https://doi.org/10.1364%2FOL.433050
TI - Non-Planck thermal emission from two-level media
T2 - Optics Letters
AU - Nechepurenko, I.A.
AU - Baranov, Denis G.
PY - 2021
DA - 2021/07/22 00:00:00
PB - Optical Society of America
SP - 3584-3587
IS - 15
VL - 46
SN - 0146-9592
SN - 1539-4794
ER -
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@article{2021_Nechepurenko,
author = {I.A. Nechepurenko and Denis G. Baranov},
title = {Non-Planck thermal emission from two-level media},
journal = {Optics Letters},
year = {2021},
volume = {46},
publisher = {Optical Society of America},
month = {jul},
url = {https://doi.org/10.1364%2FOL.433050},
number = {15},
pages = {3584--3587},
doi = {10.1364/OL.433050}
}
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Nechepurenko, I.A., et al. “Non-Planck thermal emission from two-level media.” Optics Letters, vol. 46, no. 15, Jul. 2021, pp. 3584-3587. https://doi.org/10.1364%2FOL.433050.
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