quantum efficiency
Apodized-Aperture Pixel Design X-Ray Detector for Improvement of Detective Quantum Efficiency at High Spatial Frequencies
... detective quantum efficiency (DQE) is a characteristic of x-ray imaging systems describing how well a system can produce high signal-to-noise ratio images compared to an ideal ...
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InAs thermophotovoltaic cells with high quantum efficiency for waste heat recovery applications below 1000°C
... external quantum efficiency at the peak wavelengths reaching 71% at low temperature and 55% at room temperature are reported, which are the highest values to date for ...conversion efficiency at 100 ...
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External Quantum Efficiency Improvement with Luminescent Downshifting Layers: Experimental and Modelling
... Core-shell quantum dots CdSe/ZnS and lumogen yellow organic dye are characterized by their inclusion in luminescent downshifting (LDS) ...External quantum efficiency measurements for the solar ...
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A Method to Measure the Detective Quantum Efficiency of Radiographic Systems in Clinical Setting
... optimal balance, it is critical that x-ray detectors be designed and maintained to pro- duce the best possible image quality for a given radiation exposure. Unfortunately, not all x-ray systems provide patients with the ...
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Modelling of High Quantum Efficiency Avalanche Photodiode
... conversion efficiency was ...independent quantum-limited SNR of 80% of full theoretical was indicative of a gain-independent excess noise factor very close to ...mode quantum efficiency ...
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Computation of detective quantum efficiency of medical x-ray radiographic screen-films
... Detective quantum efficiency (DQE) is one of the important measures in the assessment of image quality and detector ...Detective quantum efficiency of radiographic screen-film depends on noise ...
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Temperature Dependence of Internal Quantum Efficiency in SiGe Lasers
... The IQE is always larger than the EQE. A low IQE indicates that the active layer of the laser is unable to make good use of the photons. To measure the IQE, first, we need to measure the EQE of the laser devices. Then, ...
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Determining The Detective Quantum Efficiency (DQE) Of X-Ray Detectors In Clinical Environments
... According to Health Canada, dental and medical radiography accounts for more than 90% of total man-made radiation dose to the general population. Ensuring pa- tients receive the health benefits of diagnostic x-ray ...
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External quantum efficiency response of thin silicon solar cell based on plasmonic scattering of indium and silver nanoparticles
... the quantum efficiency at that particular wavelength would be ...The quantum efficiency of photons with energy below the band gap is ...the quantum effi- ciency of a solar cell ...
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The Effect of Simultaneous Intensification on the Detective Quantum Efficiency
... intensified to exposure simultaneous exposure value in DQE intensified in the for the unintensified of at exposure change level to exposure 226:1 of simultaneous minimum Once The the Hen[r] ...
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Original Article Cytotoxicity of CdSe quantum dots and corresponding comparison with FITC in cell imaging efficiency
... narrower emission spectrum. Meanwhile, QDs were of high quantum efficiency, resistance to quenching, and non-sensitivity to intracellular compositions (such as enzymes) [11]. The wider exciting spectrum ...
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Influences of PbS Quantum Dot Layers on Power Conversion Efficiency of Single Junction GaAs Solar Cells
... The quantum efficiency is used to evaluate the generated carrier efficiency of the solar cell, which is determined by the ratio of the number of generated carriers on the number of incoming ...
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Increase of charge carrier redistribution efficiency in a laterally organized superlattice of coupled quantum dots
... 共 Received 23 November 2005; revised manuscript received 5 September 2006; published 18 December 2006 兲 We report the observation of enhanced charge-carrier redistribution in laterally organized and coupled InAs/ InP ...
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Quantum communication and quantum computing
... present, quantum computers and quantum information technology remains in its pioneering ...thrust quantum computers up to their rightful position as the fastest computational machines in ...
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Quantum-assisted quantum compiling
... Our main technical results were the following. First, we carefully chose a cost function (which involved global and local overlaps between a target unitary U and a trainable unitary V ) and proved that it satisfied four ...
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Quantum Computing and Quantum Algorithms
... the quantum computer, a quantum bit called “qubit” which not only can be 1 or 0 but also can be in a superposition state of both 1 and 0, this state is called as a coherent ...and quantum algorithms ...
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Enhanced Optoelectronic Conversion Efficiency of CdSe/ZnS Quantum Dot/Graphene/Silver Nanowire Hybrid Thin Films
... Due to the confinement of the charge carriers in three spatial dimensions, quantum dots (QDs) display extraor- dinarily optoelectronic properties and tunable band gap. Over the past decade, QDs have been widely ...
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Quantum Architecture Quantum Architecture
... An architectural approach will consistently provide management with valid and reliable information on which to make business decisions. It also ensures data of much higher integrity that will correlate to statistics ...
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Quantum teleportation of propagating quantum microwaves
... of quantum repeaters in the microwave regime could potentially solve this ...optical-to-microwave quantum interface [], which has not yet been realised ...
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CdSe Quantum Dots Anchored on TiO2and Carbon Nanotubes: 1D Architectures as Scaffolds to Improve the Efficiency of Solar Cells
... • Opportunities exist for carbon nanotubes and other 1-D nanomaterials to facilitate capture and transport of electrons in nanostructure semiconductor based solar cells. Summary[r] ...
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