rare-earth doped 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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High power fibre lasers
... fibre lasers, initially multi-moded and side-pumped ...fibre lasers was inefficient and only low energy Q-switched lasers could be implemented, increased pump efficiency was achieved when ...
153
UV written devices in rare earth doped silica on silicon grown by FHD
... Fabrication of planar waveguide layers by sputtering involves creating a plasma, usually in argon, by a high voltage discharge in a vacuum cham- ber. The positive ions of the plasma, having kinetic energies in the range ...
166
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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Ultra-high resolution laser spectroscopy of rare earth doped solids
... In this work an ultra-high-resolution dye laser system, modified from a commercial laser, has been used to investigate a number of interesting aspects of the spectroscopy of rare earth doped crystals ...
171
Structural, luminescence and judd-ofelt analysis of rare earth doped of magnesium sulfoborate glasses and crystals
... 2012a). Rare earth (RE) doped materials correspond to the 4f–4f and 4f–5d electronic transitions which is due to the shielding effect from the outer orbital (5s and 5p) on the 4f ...The rare ...
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Rare earth ion doped chalcogenide waveguide amplifiers
... One of the major challenges for MIR sensing is the availability of either high power broadband sources, or widely tunable lower power laser devices. The best known route to obtain high power and high brightness broad ...
190
:B2O3 – Na 2O – LiF/AlF3 glasses from their absorption spectra. These
... glasses doped with rare-earth ions as possible lasing materials has created considerable interest in the study of their optical ...of rare-earth ions doped glasses in general are ...
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Rare earth doped gallium lanthanum sulphide glasses for mid infrared fibre lasers
... RE doped insulators discussed earlier ...3+ doped silicon, Nd 3+ and Yb 3+ doped semiconductors, and also in Nd 3+ doped β-La 2 S 3 crystals which have ...
162
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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Development of rare earth doped microstructured optical fibres
... There are two possible approaches to overcome this issue. One is to increase the thickness of the silica frit that is to be solution doped. However, it is difficult to obtain a uniform and thick silica frit ...
213
Classical spin model of the relaxation dynamics of rare earth doped permalloy
... Therefore from Figs. 6 and 7 both the theoretical results of Ref. 8 and experimental results of Ref. 13 are exhibited in the Langevin spin model and highlight different effects within it. In the different cases, the ...
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Typical Rare Earth Doped Lead Dioxide Electrode: Preparation and Application
... intermediates of p-TSA stimulated wastewater (With La bearing, the removal rates of COD and p-TSA during 3 h electrolysis at the current density of 30mA·cm -2 were 59.40% and 95.00%, respectively, with the instantaneous ...
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Microscale Crystalline Rare Earth Doped Resonators for Strain Coupled Optomechanics
... ion doped crystals for hybrid quantum technologies are an area of growing interest in the solid-state physics ...a rare-earth doped mono-crystalline structure. The rare-earth ion ...
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Effect of Ca on the Properties of Gd Doped Ceria for IT SOFC
... tion energy depends on these two contributions. At higher temperatures, activation energy is equal to the migration enthalpy, because oxygen vacancies are free to diffuse [1,3]. Activation energy values for total ionic ...
5
Structural and luminescence properties of zinc antimony borophosphate glass doped with rare-earth ions
... Recently, an intensive study on borate glass has been conducted for scientific and technological demand. The properties of borate glass such as high sensitivity and low cost preparation offer better prospect especially ...
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Rare-earth ion doped planar waveguides for integrated quantum photonics
... One parameter that has been changed during the growth process has been the substrate temperature. As was shown by the results obtained in the group at the University of Hamburg [157], increasing the growth temperature ...
167
Rare-Earth Doped Wide Bandgap Oxide Semiconductor Materials and Devices
... High quality glass hosts, including chalcogenides, can be formed in large quantities from the melt. Er-doped optical fiber amplifiers (EDFA) are an important technology for telecommunications, due to the ...
229
Synthesis, Growth and Characterization of Rare Earth Doped (Cdzns) Thin Films
... characterized using XRD, UV-Spectrophotometer and Two probe methods. The XRD pattern shows nano crystalline phase with cubic and hexagonal structure. Doped film shows the broadening peaks in XRD spectra. Scherrer ...
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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. ...
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