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  1. No Access

    Article

    A flexible semiconductor SERS substrate by in situ growth of tightly aligned TiO2 for in situ detection of antibiotic residues

    Semiconductor materials have become a competitive candidate for surface-enhanced Raman scattering (SERS) substrate. However, powdered semiconductors are difficult to execute a fast in situ detection for trace ...

    Kaiwei Li, Han Jiang, Liying Wang, Rui Wang, Xuewei Zhang, Libin Yang… in Microchimica Acta (2024)

  2. No Access

    Article

    A micro-iridescent focus generated from a microsphere on a reflective nanograting

    Nanoscale high-intensity illuminations can be produced by dielectric microspheres, which are used for super-resolution imaging and optical nonlinear enhancement. Herein, a microscale chromatic dispersion assis...

    Song Zhou, Youzhou Shi, Kaiwei Li, Wenchao Zhou in Applied Physics A (2022)

  3. No Access

    Chapter

    Hybrid Fiber-Optic Sensors

    With the increasing demand of achieving comprehensive perception in every aspect of life, have shown great potential in various applications due to their highly sensitive, highly integrated, flexible and rea...

    Nancy Meng Ying Zhang, Kaiwei Li, Miao Qi… in Advanced Fiber Sensing Technologies (2020)

  4. No Access

    Chapter

    Optical Microfiber Sensors

    is a class of specialty fibers, which is featured with wavelength scale diameters. With such small dimensions, the offers large fractions of evanescent fields and high surface field intensities, making it...

    Kaiwei Li, Jiajia Wang, Tuan Guo in Advanced Fiber Sensing Technologies (2020)