2019
DOI: 10.1063/1.5079506
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Temporal evolution of photoinduced optical chirality in nanostructured light-sensitive waveguide thin films: Simultaneous excitation of TE and TE1 modes

Abstract: Optical properties of the self-organized gratings in thin photosensitive waveguide AgCl films on a glass substrate, doped by Ag nanoparticles, in the case of simultaneous excitation of TE0 and TE1 modes are investigated. These gratings are a result of interference of the incident linear polarized He-Ne laser beam with the excited TEn-modes of the AgCl layer. The interference field patterns the re-distribution of the nanoparticles. Each excited mode generates its own grating. The self-organized gratings associa… Show more

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Cited by 2 publications
(8 citation statements)
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“…According to previous studies [9,10,21], we know that when a probe beam passes through our optically active sample, an ellipticity is induced in addition to the induced optical rotation of the polarization vector of the probe beam. It has been demonstrated that the induced ellipticity is related to the anisotropy of the sample containing C-SPNs [10].…”
Section: F) Ellipsometrymentioning
confidence: 98%
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“…According to previous studies [9,10,21], we know that when a probe beam passes through our optically active sample, an ellipticity is induced in addition to the induced optical rotation of the polarization vector of the probe beam. It has been demonstrated that the induced ellipticity is related to the anisotropy of the sample containing C-SPNs [10].…”
Section: F) Ellipsometrymentioning
confidence: 98%
“…The AgCl layer thickness was selected near the TE 0 -mode cut-off thickness for an asymmetric slab waveguide, based on the dispersion equation governing such waveguides [22]. A thicker slab waveguide allows the excitation of higher orders of TE n -modes, which leads to the formation of more complicated SPNs, which is not easy to deal with [21]. Metallic thin films with a thickness of less than 20 nm have an islandlike structure made of granular metallic nanoparticles (Figs.…”
Section: A) Sample Preparation and The Experimental Setupmentioning
confidence: 99%
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