نتایج جستجو برای: ytterbium
تعداد نتایج: 1316 فیلتر نتایج به سال:
An experiment based on a trapped ytterbium ion validates the inertial theorem for SU(2) algebra. The qubit is encoded within hyperfine states of atom and controlled by RF fields. generates analytical solutions non-adiabatically driven systems that are 'accelerated' slowly, bridging gap between sudden adiabatic limits. These shown to be stable small deviations, both experimentally theoretically....
Zinc oxide optical ceramics containing 0–2 wt% ytterbium are prepared by uniaxial hot pressing of commercial oxides at 1150 and 1180 °C. The have the main crystalline phase hexagonal wurtzite-type ZnO. Ytterbium ions do not enter ZnO crystals but form a cubic sesquioxide Yb2O3 located grain boundaries. Yb acts as an inhibitor for growth. exhibit transmittance up to 60 % in visible. Their transm...
Environmental barrier coating (EBC) systems are applied to the surface of silicon-based composites exposed high temperature combustion gas flow paths in turbine engines. They reduce rate composite oxidation, its volatilization by reactions with water vapor, and as their thermal conductivity decreases. Current EBC consist a silicon bond coat covered an ytterbium disilicate (Yb2O3?2SiO2: YbDS) pe...
Two independent teams show that neutral ytterbium-171 atoms can be trapped and used for quantum information processing, bringing computers based on this platform a step closer to reality.  
1 Abstract We have tested a series of Ytterbium doped large core fibers operating near 10Kpps and producing pulses of approximately 1ns. We have achieved 850μJ/pulse resulting in peak powers in excess of 2MW with 0.4ns pulses and near diffraction limited beams. In another fiber, we have achieved over 1.5mJ/pulse with pulses of 900ps corresponding to 1.65MW of peak power and M of 2.5. In the lat...
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