Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/68777
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Title: Highly sensitive miniature fluidic flowmeter based on an FBG heated by Co2+-doped fiber
Authors: Liu, ZY 
Htein, L 
Cheng, LK 
Martina, Q 
Jansen, R 
Tam, HY 
Issue Date: 20-Feb-2017
Source: Optics express, 20 Feb. 2017, v. 25, no. 4, p. 4393-4402
Abstract: In this paper, we present a miniature fluidic flow sensor based on a short fiber Bragg grating inscribed in a single mode fiber and heated by Co2+-doped multimode fibers. The proposed flow sensor was employed to measure the flow rates of oil and water, showing good sensitivity of 0.339 nm/(m/s) and 0.578 nm/(m/s) for water and oil, flowing at v = 0.2 m/s. The sensitivity can be increased with higher laser power launched to the Co2+-doped multimode fibers. A small flow rate of 0.005 m/s and 0.002 m/s can be distinguished for a particular phase of water or oil, respectively, at a certain laser power (i.e. similar to 1.43W). The flow sensor can measure volume speed up to 30 L/min, which is limited by the test rig. The experimental results show that the sensor can discriminate slight variation of flow rates as small as 0.002m/s.
Publisher: Optical Society of America
Journal: Optics express 
EISSN: 1094-4087
DOI: 10.1364/OE.25.004393
Rights: © 2017 Optica Publishing Group. Users may use, reuse, and build upon the article, or use the article for text or data mining, so long as such uses are for non-commercial purposes and appropriate attribution is maintained. All other rights are reserved.
The following publication Zhengyong Liu, Lin Htein, Lun-Kai Cheng, Quincy Martina, Rob Jansen, and Hwa-Yaw Tam, "Highly sensitive miniature fluidic flowmeter based on an FBG heated by Co2+-doped fiber," Opt. Express 25, 4393-4402 (2017) is available at https://doi.org/10.1364/OE.25.004393.
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