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  • Longitudinal Strain Sensitive Effect in a Photonic Crystal Cavity

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    Author(s)
    Bui, Thanh Tung
    Dzung, Viet Dao
    Ikeda, Taro
    Kanamori, Yoshiaki
    Hane, Kazuhiro
    Sugiyama, Susumu
    Griffith University Author(s)
    Dao, Dzung V.
    Year published
    2011
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    Abstract
    This paper reports the theoretical and experimental investigations of the strain-induced resonant wavelength shift effect of a 2-D photonic crystal (PhC) cavity for strain sensing applications. Strain sensitivity of a high quality factor PhC cavity is studied based on finite element method (FEM) and finite difference time domain (FDTD) simulations. The results show that the resonant wavelength of cavity is proportional to the application of strain. Linear relationships between strain applied and shift of resonant wavelength were obtained. Accordingly, it is possible to detect the strain by determining resonant wavelength ...
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    This paper reports the theoretical and experimental investigations of the strain-induced resonant wavelength shift effect of a 2-D photonic crystal (PhC) cavity for strain sensing applications. Strain sensitivity of a high quality factor PhC cavity is studied based on finite element method (FEM) and finite difference time domain (FDTD) simulations. The results show that the resonant wavelength of cavity is proportional to the application of strain. Linear relationships between strain applied and shift of resonant wavelength were obtained. Accordingly, it is possible to detect the strain by determining resonant wavelength shift. The test device was realized on silicon-on-insulator for experimental investigation. The sensitivity to longitudinal strains was determined to be 0.95 pm/孳train.
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    Conference Title
    EUROSENSORS XXV
    Volume
    25
    Publisher URI
    http://www.eurosensors2011.org/
    DOI
    https://doi.org/10.1016/j.proeng.2011.12.335
    Copyright Statement
    © The Author(s) 2011. This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported (CC BY-NC-ND 3.0) License (http://creativecommons.org/licenses/by-nc-nd/3.0/) which permits unrestricted, non-commercial use, distribution and reproduction in any medium, providing that the work is properly cited. You may not alter, transform, or build upon this work.
    Subject
    Atomic, molecular and optical physics not elsewhere classified
    Engineering
    Publication URI
    http://hdl.handle.net/10072/61063
    Collection
    • Conference outputs

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