Title :
Micro tapered Mach-Zehnder fiber interferometer for monitoring pressure fluctuation and its applications in pulse rate detection
Author :
Yu-Hsin Hsieh ; Nan-Kuang Chen
Author_Institution :
Dept. of Electro-Opt. Eng., Nat. United Univ., Miaoli, Taiwan
Abstract :
We demonstrate the optical measurements of heart-beat pulse rate by using an optical-sensor based on a micro abrupt-tapered Mach-Zehnder interferometer where two nonadiabatic tapers are introduced in Er/Yb-codoped fiber.
Keywords :
Mach-Zehnder interferometers; biomedical measurement; erbium; fibre optic sensors; optical variables measurement; pressure measurement; ytterbium; Er-Yb-codoped fiber; Mach-Zehnder fiber interferometer; heart-beat pulse rate; microtapered fiber interferometer; nonadiabatic tapers; optical measurements; optical-sensor; pressure fluctuation monitoring; pulse rate detection; Biomedical monitoring; Heart; Monitoring; Phase measurement; Pulse measurements; Phase shift; Wavelength filtering devices;
Conference_Titel :
Advanced Infocomm Technology (ICAIT), 2013 6th International Conference on
Conference_Location :
Hsinchu
Print_ISBN :
978-1-4799-0464-8
DOI :
10.1109/ICAIT.2013.6621523
