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Title: Photonic Crystal Sub-Wavelength lambda/5 Focusing Lens Design Using Optimization Method
Authors: Küçükateş, Büşra
Turduev, Mirbek
Bor, Emre
Kurt, Hamza
Keywords: photonic crystals
sub-wavelength focusing
differential evolution algorithm
Issue Date: 2016
Publisher: IEEE
Abstract: In this paper, differential evolution (DE) optimization algorithm is applied to design sub-wavelength focusing PCs structure for the first time to the best of our knowledge. For this purpose, the transverse cross section of the input beam is spatially shaped by optimized PC structure. Strong focusing of beam with FWHM equal to lambda/5 and with suppressed magnitude of side lobe intensities is achieved. In addition, microwave experiments to verify the numerical results are conducted. The numerical and experimental results given in the paper are in good agreement with each other.
Description: 18th International Conference on Transparent Optical Networks (ICTON) -- JUL 10-14, 2016 -- Univ Trento, Fac Letters & Philosophy, Trento, ITALY
ISBN: 978-1-5090-1467-5
ISSN: 2162-7339
Appears in Collections:WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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