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Distributed Vibration Sensor Based on Coherent Detection of Phase-OTDR
We developed a distributed vibration sensor by using heterodyne detection and signal processing of moving averaging and moving differential for the phase optical time domain reflectometry system. TheExpand
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Novel fiber-optic sensors based on long-period fiber gratings written by high-frequency CO/sub 2/ laser pulses
In this paper, we report a novel long-period fiber grating (LPFG) fabricated by using a new writing technique that is mainly based on the thermal shock effect of focused high-frequency CO/sub 2/Expand
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Micro Fabry-Perot interferometers in silica fibers machined by femtosecond laser.
Micro Fabry-Perot (F-P) interferometers (MFPIs) are machined in a single-mode fiber (SMF) and a photonic crystal fiber (PCF) by using a near-infrared femtosecond laser, respectively. The strain andExpand
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Modulated pulses based distributed vibration sensing with high frequency response and spatial resolution.
A distributed optical fiber sensing system merged Mach-Zehnder interferometer and phase sensitive optical time domain reflectometer (φ-OTDR) system for vibration measurement with high-frequencyExpand
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An Adenovirus Vaccine Expressing Ebola Virus Variant Makona Glycoprotein Is Efficacious in Guinea Pigs and Nonhuman Primates.
A licensed vaccine against Ebola virus (EBOV) remains unavailable, despite >11 000 deaths from the 2014-2016 outbreak of EBOV disease in West Africa. Past studies have shown that recombinant vaccineExpand
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Bend-insensitive long-period fiber grating sensors
Abstract A novel bend-insensitive long-period fiber grating (LPFG) sensor written using focused CO 2 laser pulses is demonstrated, for the first time, to our knowledge. It is found that the centralExpand
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A high temperature sensor based on a peanut-shape structure Michelson interferometer
Abstract A fiber temperature sensor with high sensitivity based on a Michelson interferometer is realized by fusion-splicing a peanut-shape structure in single-mode fiber (SMF). The theory andExpand
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Evaluation of Wax Deposition and Its Control During Production of Alaska North Slope Oils
Due to increasing oil demand, oil companies are moving into arctic environments and deep-water areas for oil production. In these regions of lower temperatures, wax deposits begin to form when theExpand
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Organizing Single-Walled Carbon Nanotubes on Gold Using a Wet Chemical Self-Assembling Technique
We provide a wet chemical approach for organizing randomly tangled single-walled carbon nanotubes (SWCNTs) on gold surfaces. The as-grown nanotubes were first chemically cut into short pipes andExpand
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Optimization of crude polysaccharides extraction from Hizikia fusiformis using response surface methodology.
A 17-run Box-Behnken design (BBD) was used to optimize the extraction conditions of polysaccharides from Hizikia fusiformis  . Three factors such as extraction time (h), extraction temperature (°C)Expand
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