Feasibility of generating surface plasmon polaritons with a given orbital momentum on cylindrical waveguides using diffractive optical elements

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Feasibility of generating surface plasmon polaritons with a given orbital momentum on cylindrical waveguides using diffractive optical elements. / Knyazev, Boris Aleksandrovich; Kameshkov, Oleg Eduardovich; Nikitin, Alexey Konstantinovich et al.

In: Computer Optics, Vol. 43, No. 6, 01.01.2019, p. 992-1000.

Research output: Contribution to journal › Article › peer-review

BibTeX

@article{ca48a13e220248bca64a93befd057170,

title = "Feasibility of generating surface plasmon polaritons with a given orbital momentum on cylindrical waveguides using diffractive optical elements",

abstract = "Three optical systems employing diffractive optical elements to generate surface plasmon polaritons (SPP) with orbital angular momentum on axisymmetric conductors are considered. In all three systems, the incident radiation is first converted by binary spiral phase axicons into a set of plane waves converging to the optical axis. In the zone of intersection of these waves, a {"}twisted{"} Bessel beam is formed. By fitting the diameter of the first ring of the Bessel beam to the diameter of the cylindrical conductor, it is possible to generate a rotating SPP by the {"}end-fire coupling{"} method. The use of an additional lens makes it possible to convert the SPP-exciting Bessel beam into a vortex annular beam whose diameter is independent of the topological charge of the beam. In the third scheme, converging plane waves are “intercepted” by a cylindrical metal diffraction grating, which forms twisted SPPs on a cylindrical conductor connected to the grating. Examples of the possible use of the proposed systems in experiments on a terahertz free electron laser are presented.",

keywords = "Binary phase axicon, Cylindrical grating, Surface plasmon polariton, GOLD, METAL WIRES, cylindrical grating, BEAMS, binary phase axicon, surface plasmon polariton, FREE-ELECTRON LASER, TERAHERTZ, ELECTROMAGNETIC-WAVES, PROPAGATION",

author = "Knyazev, {Boris Aleksandrovich} and Kameshkov, {Oleg Eduardovich} and Nikitin, {Alexey Konstantinovich} and Pavelyev, {Vladimir Sergeevich} and Choporova, {Yuliya Yuryevna}",

year = "2019",

month = jan,

day = "1",

doi = "10.18287/2412-6179-2019-43-6-992-1000",

language = "English",

volume = "43",

pages = "992--1000",

journal = "Computer Optics",

issn = "0134-2452",

publisher = "Institution of Russian Academy of Sciences, Image Processing Systems Institute of RAS",

number = "6",

}

RIS

TY - JOUR

T1 - Feasibility of generating surface plasmon polaritons with a given orbital momentum on cylindrical waveguides using diffractive optical elements

AU - Knyazev, Boris Aleksandrovich

AU - Kameshkov, Oleg Eduardovich

AU - Nikitin, Alexey Konstantinovich

AU - Pavelyev, Vladimir Sergeevich

AU - Choporova, Yuliya Yuryevna

PY - 2019/1/1

Y1 - 2019/1/1

N2 - Three optical systems employing diffractive optical elements to generate surface plasmon polaritons (SPP) with orbital angular momentum on axisymmetric conductors are considered. In all three systems, the incident radiation is first converted by binary spiral phase axicons into a set of plane waves converging to the optical axis. In the zone of intersection of these waves, a "twisted" Bessel beam is formed. By fitting the diameter of the first ring of the Bessel beam to the diameter of the cylindrical conductor, it is possible to generate a rotating SPP by the "end-fire coupling" method. The use of an additional lens makes it possible to convert the SPP-exciting Bessel beam into a vortex annular beam whose diameter is independent of the topological charge of the beam. In the third scheme, converging plane waves are “intercepted” by a cylindrical metal diffraction grating, which forms twisted SPPs on a cylindrical conductor connected to the grating. Examples of the possible use of the proposed systems in experiments on a terahertz free electron laser are presented.

AB - Three optical systems employing diffractive optical elements to generate surface plasmon polaritons (SPP) with orbital angular momentum on axisymmetric conductors are considered. In all three systems, the incident radiation is first converted by binary spiral phase axicons into a set of plane waves converging to the optical axis. In the zone of intersection of these waves, a "twisted" Bessel beam is formed. By fitting the diameter of the first ring of the Bessel beam to the diameter of the cylindrical conductor, it is possible to generate a rotating SPP by the "end-fire coupling" method. The use of an additional lens makes it possible to convert the SPP-exciting Bessel beam into a vortex annular beam whose diameter is independent of the topological charge of the beam. In the third scheme, converging plane waves are “intercepted” by a cylindrical metal diffraction grating, which forms twisted SPPs on a cylindrical conductor connected to the grating. Examples of the possible use of the proposed systems in experiments on a terahertz free electron laser are presented.

KW - Binary phase axicon

KW - Cylindrical grating

KW - Surface plasmon polariton

KW - GOLD

KW - METAL WIRES

KW - cylindrical grating

KW - BEAMS

KW - binary phase axicon

KW - surface plasmon polariton

KW - FREE-ELECTRON LASER

KW - TERAHERTZ

KW - ELECTROMAGNETIC-WAVES

KW - PROPAGATION

UR - http://www.scopus.com/inward/record.url?scp=85077195010&partnerID=8YFLogxK

UR - https://www.elibrary.ru/item.asp?id=41858163

U2 - 10.18287/2412-6179-2019-43-6-992-1000

DO - 10.18287/2412-6179-2019-43-6-992-1000

M3 - Article

AN - SCOPUS:85077195010

VL - 43

SP - 992

EP - 1000

JO - Computer Optics

JF - Computer Optics

SN - 0134-2452

IS - 6

ER -

ID: 22993732