نتایج جستجو برای: single device
تعداد نتایج: 1469125 فیلتر نتایج به سال:
Solar photons possessing energy less than the bandgap of a single-junction solar cell can be utilized via upconversion (UC) two or more photons, resulting in emission single above-bandgap photon. Due to non-linear nature UC, highly concentrated light is required, which typically much greater practical concentration limits cell. It has been proposed that concentrating cells (UC-SC) with optical ...
A reflective-type display device based on phase change materials is attractive because of its ultrafast response time and high resolution compared with a conventional display device. This paper proposes and demonstrates a unique display device in which multicolour changing can be achieved on a single device by the selective crystallization of double layer phase change materials. The optical con...
Optofluidic microsystems are key components towards lab-on-a-chip devices for manipulation and analysis of biological specimens. In particular, the integration of optical tweezers (OT) in these devices allows stable sample trapping, while making available mechanical, chemical and spectroscopic analyses.
Microfabricated devices have great potential in cell-level studies, but are not easily accessible for the broad biology community. This paper introduces the Microscale Oil-Covered Cell Array (MOCCA) as a low-cost device for high throughput single-cell analysis that can be easily produced by researchers without microengineering knowledge. Instead of using microfabricated structures to capture ce...
Using the principle of quasi-continuous filtering in a non-linear fibre, we propose an optical device for the simultaneous regeneration of sevaral channels at 40 Gbit/s. Simulations predict an improvement of the signal quality for four channels by more than 6.8 dB.
Single-molecule electronic devices offer unique opportunities to investigate the properties of individual molecules that are not accessible in conventional ensemble experiments. However, these investigations remain challenging because they require (i) highly precise device fabrication to incorporate single molecules and (ii) sufficient time resolution to be able to make fast molecular dynamic m...
One of the major challenges in the prevailing web page development is device heterogeneity. Currently, devices such as cell phones, PDAs, and PCs are already capable of providing access to the Internet. In the near future, we are expecting other devices such as car navigation systems to have the same capabilities. As the number of these devices increases, the traditional approach of developing ...
We study the switching characteristics of nanoscale junctions created between a tungsten tip and a silver film covered by a thin ionic conductor layer. Atomic-sized junctions show spectacular current induced switching characteristics, but both the magnitude of the switching voltage and the direction of the switching vary randomly for different junctions. In contrast, somewhat larger junctions w...
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