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rare-earth doped devices

Multicore rare earth doped fibres; application to amplifiers, filters and lasers

Multicore rare earth doped fibres; application to amplifiers, filters and lasers

... Multicore rare-earth doped fibres; application to amplifiers, filters and lasers funded under the ROPA scheme and targeted at new devices for WDM ...into rare earth doped ...

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Rare-earth doped stripe waveguide laser devices

Rare-earth doped stripe waveguide laser devices

... Lithium niobate crystals exposed to laser radiation experience local variations in their refractive index An. Optical distortion is attributed to the migration of photo-excited electrons from an illuminated region, and ...

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Nanophotonic Resonators for Optical Quantum Memories based on Rare-Earth-Doped Materials

Nanophotonic Resonators for Optical Quantum Memories based on Rare-Earth-Doped Materials

... the rare earth host either before or after patterning the GaAs membrane; both courses of action have their respective ...successful devices achieved using this method were ring resonators patterned ...

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Rare earth ion doped chalcogenide waveguide amplifiers

Rare earth ion doped chalcogenide waveguide amplifiers

... phonon energy of chalcogenide glasses. Compared with the oxides, the low characteristic phonon energy of the chalcogenide glasses hugely lowers the multi- phonon processes such as multi-phonon relaxation (MPR) or ...

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Performance Evaluation of ZnO based Rare Earth Element Doped Thin Films

Performance Evaluation of ZnO based Rare Earth Element Doped Thin Films

... or rare-earth dopants producing a dilute magnetic semiconductor ...ZnO doped with 3d transition metals indicated only small magnetic moments 6–9 ...

5

Thermal, structural and optical properties of lithium niobate tellurite glass doped erbium and neodymium

Thermal, structural and optical properties of lithium niobate tellurite glass doped erbium and neodymium

... on rare-earth ...of rare- earth into various glass oxides is a key to the optical devices development such as infrared lasers, infrared-visible converters, fibre and waveguide ...

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Compound Glass Microsphere Resonator Devices

Compound Glass Microsphere Resonator Devices

... high rare-earth ion doped glass materials have wide applications in near Near-infrared (NIR) and Mid-infrared (MIR) lasers, and some glasses are sensitive to temperature, light and greenhouse ...

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Synthesis, Growth and Characterization of Rare Earth Doped (Cdzns) Thin Films

Synthesis, Growth and Characterization of Rare Earth Doped (Cdzns) Thin Films

... Energy band gap of CdZnS is larger than CdS. It has been widely used as a wide band gap window material in hetero- junction photovoltaic solar cells and photoconductive devices. Various methods, such as spray ...

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Rare-earth ion doped planar waveguides for integrated quantum photonics

Rare-earth ion doped planar waveguides for integrated quantum photonics

... The conductive layer used in this thesis was a thin layer of carbon. Other materials which provide an electrically conductive and smooth surface could also be used for this purpose. The nano-scale and quantum optics ...

167

Rare-Earth Doped Wide Bandgap Oxide Semiconductor Materials and Devices

Rare-Earth Doped Wide Bandgap Oxide Semiconductor Materials and Devices

... Other rare earth ions such as Nd[7] and Yb[23] are often used in laser gain ...the rare-earth ...optical devices with long optical path lengths, leading to gain such as in fiber ...

229

Structural, luminescence properties and Judd-Ofelt analysis of rare-earth doped calcium-sulfoborophosphate and barium-sulfoborophosphate glasses

Structural, luminescence properties and Judd-Ofelt analysis of rare-earth doped calcium-sulfoborophosphate and barium-sulfoborophosphate glasses

... favourable properties such as reasonably low liquid and glass transmission temperatures, low viscosity, high thermal expansion coefficient, high electrical conductivity and high ultraviolet transmission, it’s found ...

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Electrical Conduction and Dielectric Relaxation in Selenium Films Doped with Dysprosium Rare Earth

Electrical Conduction and Dielectric Relaxation in Selenium Films Doped with Dysprosium Rare Earth

... After evaporation, the thickness of the fresh films was accurately determined by an optical interference method and is found to be 750 nm. The structure of the obtained films are studied using x-ray diffraction ...

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Spintronics: Towards Room Temperature Ferromagnetic Devices via Mn and Rare Earth Doped GaN.

Spintronics: Towards Room Temperature Ferromagnetic Devices via Mn and Rare Earth Doped GaN.

... (RE) doped GaN is attracting wide-spread attention as a diluted magnetic semiconductor (DMS) material capable of exhibiting room temperature (RT) ferromagnetism through a variety of growth procedures including ...

259

UV written devices in rare earth doped silica on silicon grown by FHD

UV written devices in rare earth doped silica on silicon grown by FHD

... There are two main techniques for doping FHD layers with materials for which there are no suitable volatile inorganic compounds to use in a con- ventional bubbler. These are solution doping and aerosol doping. Solu- tion ...

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Optical Properties of Sm3+ ions in Borate Glass

Optical Properties of Sm3+ ions in Borate Glass

... crystals doped with various rare earth (RE) ions are important materials for making fluorescent display devices, optical detectors, laser, optical fibers, waveguides and fiber amplifiers [1- ...

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A spectroscopic investigation of novel doped glasses for active infrared devices

A spectroscopic investigation of novel doped glasses for active infrared devices

... Rare earth-doped yttrium aluminosilicate glasses have a number of useful properties which makes them attractive materials for active optical devices.. The glass-forming region for YAS gl[r] ...

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Growth and Characterization of Rare Earth Doped Mixed Chaclogenide Thin Films

Growth and Characterization of Rare Earth Doped Mixed Chaclogenide Thin Films

... The effect of rare earth ions doping on size and morphology of CdSe thin films are shown in Figure 2(a,b). SEM image shows that particles is homogeneous. The size distribution is uniform of films. ...

5

Thermoluminiscence of UV irradiated CaAl2O4 Phosphors

Thermoluminiscence of UV irradiated CaAl2O4 Phosphors

... In this work we present a systematic study on suitability in dosimetry applications of rare earth doped CaAl 2 O 4 material.. EXPERIMENTAL.[r] ...

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Electrochemical and Thermochemical Behavior of CeO₂ δ

Electrochemical and Thermochemical Behavior of CeO₂ δ

... | doped ceria interfaces is extremely rapid relative to the formation or breaking of chemical bonds, justifying an assumption of electron reversibility for the present ...

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Luminescence Properties of Oxyfluoride Glass and Glass Ceramic Doped with Y3 + Ions

Luminescence Properties of Oxyfluoride Glass and Glass Ceramic Doped with Y3 + Ions

... various rare earth elements, yttrium has shown vital influence on optical properties of different glassy systems attributable to existence of encompassing ligand field of 4d outer-shell electrons of ...3+ ...

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