Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
Gaussian-Type beams in longitudinally inhomogeneous, lens-like media. Gradual transition from waveguide to antiwaveguide. / So, Irina A.; Kiselev, Aleksei P.; Plachenov, Alexandr B.
в: EPL, Том 127, № 6, 64002, 2019.Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
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TY - JOUR
T1 - Gaussian-Type beams in longitudinally inhomogeneous, lens-like media. Gradual transition from waveguide to antiwaveguide
AU - So, Irina A.
AU - Kiselev, Aleksei P.
AU - Plachenov, Alexandr B.
N1 - Publisher Copyright: © CopyrightEPLA, 2019. Copyright: Copyright 2019 Elsevier B.V., All rights reserved.
PY - 2019
Y1 - 2019
N2 - We address propagation of paraxial Gaussian-Type beam modes in longitudinally inhomogeneous axisymmetric lens-like media, with a specific case of a transition of waveguide into antiwaveguide. Higher-order modes are described in a unified manner using a so-called secondary parabolic equation. Analyzing a linear transition from waveguide to antiwaveguide where beams are described in terms of Airy functions, we conclude that the width of a localized Gaussian-Type beam in inhomogeneous media can dramatically grow. This fact should be taken into account in numerical procedures employing summation of Gaussian beams.
AB - We address propagation of paraxial Gaussian-Type beam modes in longitudinally inhomogeneous axisymmetric lens-like media, with a specific case of a transition of waveguide into antiwaveguide. Higher-order modes are described in a unified manner using a so-called secondary parabolic equation. Analyzing a linear transition from waveguide to antiwaveguide where beams are described in terms of Airy functions, we conclude that the width of a localized Gaussian-Type beam in inhomogeneous media can dramatically grow. This fact should be taken into account in numerical procedures employing summation of Gaussian beams.
UR - http://www.scopus.com/inward/record.url?scp=85075014147&partnerID=8YFLogxK
U2 - 10.1209/0295-5075/127/64002
DO - 10.1209/0295-5075/127/64002
M3 - Article
AN - SCOPUS:85075014147
VL - 127
JO - Lettere Al Nuovo Cimento
JF - Lettere Al Nuovo Cimento
SN - 0295-5075
IS - 6
M1 - 64002
ER -
ID: 73298626