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Sensing of ultrasonic fields based on polarization parametric indirect microscopic imaging

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摘要

This paper tackles the issue of non-contact detection of ultrasonic fields by utilizing a novel optical method based on the parametric indirect microscopic imaging (PIMI) technique. A general theoretical model describing the three-dimensional anisotropic photoelastic effect in solid was developed. The mechanism of polarization status variations of light passing through the stress and strain fields was analyzed. Non-contact measurements of ultrasonic field propagating in an isotropic quartz glass have been fulfilled using the PIMI technique under different ultrasonic excitation conditions. PIMI parameters such as sinδ, Φ and the Stokes parameters have been found sensitive to ultrasonic fields.

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作者单位:

    Nanjing University of Science and Technology
    Nanjing University of Science and Technology
    Nanjing University of Science and Technology
    Nanjing University of Science and Technology
    Nanjing University of Science and Technology
    Nanjing University of Science and Technology
    Nanjing University of Science and Technology

引用该论文

Cao Yun,Xiong Jichuan,Liu Xuefeng,Xia Zhiying,Wang Weize,Yadav N.P.,Liu Weiping. Sensing of ultrasonic fields based on polarization parametric indirect microscopic imaging[J].Chinese Optics Letters,2019,17(4):04.