2013
DOI: 10.1080/17458080.2011.654277
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Propagation of vortex beams through self-assembled photonic crystal

Abstract: This study describes a new and simple approach to produce multiple optical vortices (OVs) using three-dimensional polymeric photonic crystal (PhC). The crystals are fabricated by well-known inward-growing self-assembly technique using polystyrene micro-particles of particle sizes 990 and 1900 nm. This fabrication technique provides the cubic lattice arrangement to the spheres with the h1 1 1i plane parallel to the substrate. When a Gaussian beam from a He-Ne laser at 633 nm is diffracted through the crystal of… Show more

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Cited by 2 publications
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“…An important aspect that is yet to be explored in such a system is the far-field intensity pattern of the out-coupled radiation. Given that vertically oriented nanowire structures can result in interesting radiation patterns [20,14,16,40,15], polarization [2,12] and near field profiles [25], studying them will have direct implication on sub-wavelength light emitting devices [11,1], resonators [19] and nano-optical sources carrying orbital angular momentum [23,30,33,18]. Motivated by this, we studied experimentally and numerically the resulting radiation pattern from the distal, free end of a single, vertically oriented organic nanowire made of 1,5-Diaminoanthroquinone (DAAQ) coupled to Au thin film.…”
mentioning
confidence: 99%
“…An important aspect that is yet to be explored in such a system is the far-field intensity pattern of the out-coupled radiation. Given that vertically oriented nanowire structures can result in interesting radiation patterns [20,14,16,40,15], polarization [2,12] and near field profiles [25], studying them will have direct implication on sub-wavelength light emitting devices [11,1], resonators [19] and nano-optical sources carrying orbital angular momentum [23,30,33,18]. Motivated by this, we studied experimentally and numerically the resulting radiation pattern from the distal, free end of a single, vertically oriented organic nanowire made of 1,5-Diaminoanthroquinone (DAAQ) coupled to Au thin film.…”
mentioning
confidence: 99%