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学术报告——Optical fibre optic interferometer for sensing application

Author: Date:2019-07-02

时    间:2019年7月2日(星期二)早上10:00

地    点:北区光电所三楼多功能厅

主持人:王义平 教授(深圳大学)

报告人:Dr. Wu(Northumbria University)

报告人简介:

Dr. Wu is an Associate Professor / Reader with Faculty of Engineering and Environment, Northumbria University, Newcastle Upon Tyne, United Kingdom. His research interests include optical fiber interferometers for novel fiber optical couplers and sensors, nanofiber, microsphere sensors for bio-chemical sensing, the design and fabrication of fiber Bragg grating devices and their applications for sensing, nonlinear fibre optics and surface plasmon resonant. Dr. Wu has over 200 publications in the area of photonics and holds 3 invention patents. He is an Editorial Board Member of Scientific Reports, an Associate Editor for IEEE Sensors Journal and an Academic Editor for Journal of Sensors, a Committee Member of Holography and Optical Information Processing Committee, The Chinese Optical Society

报告摘要:

Optical fibre interferometers are instruments that can make very precise measurements of objects using the interference pattern of two waves of light, which are one of the promising candidates for next generation of photonics sensors for applications in military navigation and tactical surveillance, security, environmental and structural health monitoring and life health/medical diagnostics. A Singlemode-multimode-singlemode (SMS) fibre structure is a typical type of fibre interferometer, where a short length of multimode fibre (MMF) is fusion spliced between two singlemode fibres. The SMS fibre structure is sensitive to a number of physical parameters, which can be used as sensors and optical couplers. Tapered SMS structures have proved to be able to improve sensitivity significantly and have been applied in new applications including biology and chemical sensing.


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