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Search results for: PHOTONIC CRYSTALS
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Crystals
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All-fiber tunable devices based on high-index photonic crystal fibers filled with liquid crystals
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Analysis of a high-quality photonic crystal resonator
PublicationArtykuł przedstawia kompleksową analizę rezonatora 2D o wysokiej dobroci uzyskanego dzięki zastosowaniu fotonicznych kryształów. Struktura rezonatora została zoptymalizowana w celu osiągnięcia maksymalnej dobroci. Analiza została wykonana przy pomocy metody FDTD z zaimplementowanymi makromodelami, a wyniki poddano następnie obróbce cyfrowej w oparciu o technikę GPOF. Taka kombinacja zastosowanych metod okazała się bardzo efektywna...
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MOLECULAR CRYSTALS AND LIQUID CRYSTALS
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Photonics Letters of Poland
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European photonic technology platform and strategic roadmap: Polish technology platform in photonics
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Soliton trapping and orthogonal Raman scattering in a birefringent photonic crystal fiber
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Małgorzata Szczerska prof. dr hab. inż.
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Fabrication of Thin-Film Silicon Membranes With Phononic Crystals for Thermal Conductivity Measurements
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approximation of photonic crystal fibres with large air holes by the step index fibre model
PublicationAn equivalent step index fibre with a silica core and air cladding is used to model photonic crystal fibres with large air holes. We model this fibre for linear polarisation (we focus on the lowest few transverse modes of the electromagnetic field). The equivalent step index radius is obtained by equating the lowest two eigenvalues of the model to those calculated numerically for the photonic crystal fibres. The step index parameters...
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Multi-functional sensor based on photonic crystal fiber using plasmonic material and magnetic fluid
PublicationA unique highly sensitive photonic crystal fiber is investigated based on plasmonic material and magnetic fluid (MF) for the simultaneous measurement of temperature and magnetic field sensor. The designed sensor is explored by tracing the different parameters such as birefringence, coupling length, power spectrum, and the peak wavelength of the transmission intensity. The magnetic field and temperature computation are attained...
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CRYSTAL GROWTH & DESIGN
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Novel Structures and Applications of Graphene-Based Semiconductor Photocatalysts: Faceted Particles, Photonic Crystals, Antimicrobial and Magnetic Properties
PublicationGraphene, graphene oxide, reduced graphene oxide and their composites with various compounds/materials have high potential for substantial impact as cheap photocatalysts, which is essential to meet the demands of global activity, offering the advantage of utilizing “green” solar energy. Accordingly, graphene-based materials might help to reduce reliance on fossil fuel supplies and facile remediation routes to achieve clean environment...
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Crystal growth and the influence of oxygen stoichiometry on electrical resistivity of single crystals
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Photon Physics and Plasma Research, Photonics Applications and Web Engineering, Wilga, May 2012
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Petabit Photonic Internet
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Ultra-broadband photonic internet
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JOURNAL OF CRYSTAL GROWTH
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Electronic and Photonic Systems Wilga 2014
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Electronic and Photonic Systems Wilga 2014
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PhotoniX
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Photonic Sensors
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Advanced Photonic and Electronic Systems WILGA 2017
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Advanced photonic and electronic systems WILGA 2016
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Advanced Photonic and Electronic Systems WILGA 2010
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Analytical Methods for Causality Evaluation of Photonic Materials
PublicationWe comprehensively review several general methods and analytical tools used for causality evaluation of photonic materials. Our objective is to call to mind and then formulate, on a mathematically rigorous basis, a set of theorems which can answer the question whether a considered material model is causal or not. For this purpose, a set of various distributional theorems presented in literature is collected as the distributional...
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Experimental generation of complex noisy photonic entanglement
PublicationWe present an experimental scheme based on spontaneous parametric down-conversion to produce multiple-photon pairs in maximally entangled polarization states using an arrangement of two type-I nonlinear crystals. By introducing correlated polarization noise in the paths of the generated photons we prepare mixed-entangled states whose properties illustrate fundamental results obtained recently in quantum information theory, in particular those...
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Liquid Crystals Reviews
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Liquid Crystals Today
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Liquid Crystals and their Application
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CRYSTAL RESEARCH AND TECHNOLOGY
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Wilga 2019 – Photonics Applications
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Photonics and Web Engineering 2011
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CRYSTAL ENGINEERING
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Search for Ultimate Throughput in Ultra-Broadband Photonic Internet
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Two classes of capillary optical fibers: refractive and photonic
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Low-coherence photonic method of electrochemical processes monitoring
PublicationWe present an advanced multimodality characterization platform for simultaneous optical and electrochemical measurements of ferrocyanides. Specifcally, we combined a fber-optic Fabry– Perot interferometer with a three-electrode electrochemical setup to demonstrate a proof-ofprinciple of this hybrid characterization approach, and obtained feasibility data in its monitoring of electrochemical reactions in a boron-doped diamond flm...
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Photonic sensor to detect rapid changes in CRP levels
PublicationOne of the most important biomarkers used to determine inflammation is C-reactive protein (CRP). Its level, when it is within the range that does not define inflammation, informs about the risk of cardiovascular events. If the norm is exceeded and inflammation is detected in the body, CRP level can increase 1000 times within a few hours. The type of infection can also be determined based on the level of elevated CRP. All this makes...
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Diamond Structures for Tuning of the Finesse Coefficient of Photonic Devices
PublicationFinesse coefficient is one of the most important parameters describing the properties of a resonant cavity. In this research, a mathematical investigation of the application of diamond structures in a fiber-optic Fabry–Perot measurement head to assess their impact on the finesse coefficient is proposed. We present modeled transmission functions of cavities utilizing a nitrogen-doped diamond, a boron-doped diamond, nanocrystalline...
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HgCdTe-based heterostructures for terahertz photonics
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Photonics and terahertz technologies: part 2
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Photonics and terahertz tchnologies: part 1
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Wilga Photonics and Web Engineering 2011
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WILGA Photonics and Web Engineering 2010
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WILGA Photonics and Web Engineering 2010
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Journal of the Korean Crystal Growth and Crystal Technology
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Modulation and multiplexing in ultra-broadband photonic internet: Part I
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Modulation and multiplexing in ultra-broadband photonic internet: Part II
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Three-dimensional Weyl topology in one-dimensional photonic structures
PublicationTopological features, in particular distinct band intersections known as nodal rings, usually requiring three-dimensional structures, have now been demonstrated experimentally in an elegantly simple one-dimensional photonic crystal.
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Investigation of the Few‐Layer Black Phosphorus Degradation by the Photonic Measurements
PublicationFew-layer black phosphorus (FLBP) is a 2D material that gains worldwide interest for its possible applications, mainly in electronics and optoelec-tronics. However, as FLBP is prone to a degradation process under envi-ronmental conditions, there is a need for a monitoring method allowing investigation of its surface quality. Among many techniques, optoelectronic ones have unique advantages of fast response, non-contact, and non-invasive...