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Computer Optics, 2016, Volume 40, Issue 5, Pages 629–634 (Mi co286)  

OPTO-IT

Tight focusing of laser light using a surface plasmon polariton in a silver nano-strip and nano-ring on silica glass

E. S. Kozlovaab, V. V. Kotlyarab

a Samara National Research University, Samara, Russia
b Image Processing Systems Institute îf the RAS – Branch of the FSRC “Crystallography and Photonics” RAS, Samara, Russia

Abstract: In this work a solitary surface plasmon-polariton was obtained by using a frequency-dependent finite difference time-domain method for the TM- and radially polarized light at 532 nm, which was propagated through silver nano-elements (a nano-strip and a nano-ring), placed in an aqueous medium. The device's height and width were equal to 20 nm and 215 nm respectively. The intensity of surface plasmon-polariton was four times higher than that of the incident radiation. The full width at half maximum of the nanojet was 138 nm and 158 nm for the case of using a nano-strip and a nano-ring respectively.The results can be used to design devices that allow capturing and moving particles in water or other biofluids.

Keywords: surface plasmon polaritons, nano-strip, nano-ring, FDTD-method, tight focusing, nanojet.

Funding Agency Grant Number
Ministry of Education and Science of the Russian Federation
NSh-9498.2016.9
Russian Foundation for Basic Research 14-29-07133-ofi_m
15-07-01174-a
15-37-20723-mol_a_ved
15-47-02492-r_povolzhe_a
16-29-11698-ofi_m
16-47-630483-p_a
The work was partially funded by the Russian Federation Ministry of Education and Science, Presidential grant for support of leading scientific schools (NSh-9498.2016.9) and the Russian Foundation of Basic Research (grants ## 14-29-07133, 15-07-01174, 15-37-20723, 15-47-02492, 16-29-11698, and 16-47-630483).


DOI: https://doi.org/10.18287/2412-6179-2016-40-5-629-634

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Full text: http://www.computeroptics.smr.ru/.../400503.html
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Received: 26.09.2016
Accepted:20.10.2016
Language:

Citation: E. S. Kozlova, V. V. Kotlyar, “Tight focusing of laser light using a surface plasmon polariton in a silver nano-strip and nano-ring on silica glass”, Computer Optics, 40:5 (2016), 629–634

Citation in format AMSBIB
\Bibitem{KozKot16}
\by E.~S.~Kozlova, V.~V.~Kotlyar
\paper Tight focusing of laser light using a surface plasmon polariton in a silver nano-strip and nano-ring on silica glass
\jour Computer Optics
\yr 2016
\vol 40
\issue 5
\pages 629--634
\mathnet{http://mi.mathnet.ru/co286}
\crossref{https://doi.org/10.18287/2412-6179-2016-40-5-629-634}


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