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We reported here the fabrication of the electrically tunable infrared (IR) reflectors based on the polymer stabilized cholesteric liquid crystal (PSCLC) with negative dielectric anisotropy. A systematic study of the influence of cell gap on the electrically tunable reflection bandwidth was performed. When a direct current (DC) electric field was applied, the reflection bandwidth red shifted in the...
Existing per-flow measurement solutions provide coarse-grained information for ISPs to manage their networks, that are insufficient for many new emerging applications such as reverse billing, where charges associated with accessing a web service are billed back to the web service provider rather than the users. For such applications, it is important to construct the entire session tree that represents...
Popular online services such as social networks, e-commerce and bidding are routinely hosted in large-scale data centers. Group communication systems (e.g., multicast) and distributed key-value stores are among some of the most essential building blocks for these services. Due to their scaling requirements, overlay networks such as distributed hash tables (DHTs) have been traditionally used in such...
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