Fiber optical vibrometer based on a phononic crystal filter

Sijing Lin; Quan Chai; Jianzhong Zhang

doi:10.1117/12.915782

30 January 2012 Fiber optical vibrometer based on a phononic crystal filter

Sijing Lin, Quan Chai, Jianzhong Zhang

Proceedings Volume 8351, Third Asia Pacific Optical Sensors Conference; 83510F (2012) https://doi.org/10.1117/12.915782
Event: Asia Pacific Optical Sensors Conference, 2012, Sydney, Australia

Abstract

We propose that phononic crystals could be used as a packaging method in a fiber optical vibrometer system to filter the vibration at unwanted frequency range. A simple FBG based vibrometer and a aluminum-silicone rubber based 1D phononic crystal with the designed phononic band gap are built up, and the corresponding experimental results are demonstrated to show the feasibility of our proposal. Our proposal also points out that optical fiber sensors could be an excellent candidate to research the inner acoustic response of more complex phononic crystals.

Citation Download Citation

Sijing Lin, Quan Chai, and Jianzhong Zhang "Fiber optical vibrometer based on a phononic crystal filter", Proc. SPIE 8351, Third Asia Pacific Optical Sensors Conference, 83510F (30 January 2012); https://doi.org/10.1117/12.915782

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