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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. The… Expand
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
Micro Fabry-Perot interferometers in silica fibers machined by femtosecond laser.
- Y. Rao, Ming Deng, De-Wen Duan, Xiaochen Yang, T. Zhu, Guang-hua Cheng
- Materials Science, Medicine
- Optics express
- 17 October 2007
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 and… Expand
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-frequency… Expand
An Adenovirus Vaccine Expressing Ebola Virus Variant Makona Glycoprotein Is Efficacious in Guinea Pigs and Nonhuman Primates.
- Shipo Wu, A. Kroeker, +13 authors X. Qiu
- Biology, Medicine
- The Journal of infectious diseases
- 15 October 2016
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 vaccine… Expand
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 central… Expand
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 and… Expand
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 the… Expand
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 and… Expand
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