V. Bondarenko (Ukraine) and Y. Zhao (USA)
Dielectric waveguide, eigenmode, electromagnetic power.
We present results of numerical simulations performed by using parameters of available materials and laser sources for realization of the ”needle beam” propagating in a purely dielectric three-medium coaxial cylindrical waveg uide, whose field and transmitted power are concentrated within the central medium of diameter beyond the diffrac tion limit.
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