Open Access
Optics Express, volume 30, issue 24, pages 43021
Surface optical sensitivity enhanced by a single dielectric microsphere
Publication type: Journal Article
Publication date: 2022-11-08
Atomic and Molecular Physics, and Optics
Abstract
Single dielectric microspheres can manipulate light focusing and collection to enhance optical interaction with surfaces. To demonstrate this principle, we experimentally investigate the enhancement of the Raman signal collected by a single dielectric microsphere, with a radius much larger than the exciting laser spot size, residing on the sample surface. The absolute microsphere-assisted Raman signal from a single graphene layer measured in air is more than a factor of two higher than that obtained with a high numerical aperture objective. Results from Mie’s theory are used to benchmark numerical simulations and an analytical model to describe the isolated microsphere focusing properties. The analytical model and the numerical simulations justify the Raman signal enhancement measured in the microsphere-assisted Raman spectroscopy experiments.
Citations by journals
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1
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Advanced NanoBiomed Research
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Advanced NanoBiomed Research
1 publication, 50%
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Journal of Physical Chemistry C
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Journal of Physical Chemistry C
1 publication, 50%
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1
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Citations by publishers
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1
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Wiley
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Wiley
1 publication, 50%
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American Chemical Society (ACS)
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American Chemical Society (ACS)
1 publication, 50%
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1
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Ruzankina I. et al. Surface optical sensitivity enhanced by a single dielectric microsphere // Optics Express. 2022. Vol. 30. No. 24. p. 43021.
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Ruzankina I., Mukhin N., Mermoul A., Parfenov V., Fron E. Surface optical sensitivity enhanced by a single dielectric microsphere // Optics Express. 2022. Vol. 30. No. 24. p. 43021.
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TY - JOUR
DO - 10.1364/oe.472720
UR - https://doi.org/10.1364%2Foe.472720
TI - Surface optical sensitivity enhanced by a single dielectric microsphere
T2 - Optics Express
AU - Ruzankina, Iuliia
AU - Mukhin, Nikolay
AU - Mermoul, Ali
AU - Parfenov, Vadim
AU - Fron, Eduard
PY - 2022
DA - 2022/11/08 00:00:00
PB - Optical Society of America
SP - 43021
IS - 24
VL - 30
SN - 1094-4087
ER -
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@article{2022_Ruzankina,
author = {Iuliia Ruzankina and Nikolay Mukhin and Ali Mermoul and Vadim Parfenov and Eduard Fron},
title = {Surface optical sensitivity enhanced by a single dielectric microsphere},
journal = {Optics Express},
year = {2022},
volume = {30},
publisher = {Optical Society of America},
month = {nov},
url = {https://doi.org/10.1364%2Foe.472720},
number = {24},
pages = {43021},
doi = {10.1364/oe.472720}
}
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Ruzankina, Iuliia, et al. “Surface optical sensitivity enhanced by a single dielectric microsphere.” Optics Express, vol. 30, no. 24, Nov. 2022, p. 43021. https://doi.org/10.1364%2Foe.472720.
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