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Laser & Optoelectronics Progress, Volume. 56, Issue 4, 042301(2019)

Tunable Narrow-Band Filter with Sub-Wavelength Grating Structure by Micro-Optofluidic Technique

Qiang Mao, Xionggui Tang*, Fang Meng, Ming Chen, and Shan Liang
Author Affiliations
  • College of Physics and Electronic Science, Hunan Normal University, Changsha, Hunan 410081, China
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    Structural diagram of the tunable filter. (a) 3D structure; (b) top view; (c) cross section

    Fig. 1. Structural diagram of the tunable filter. (a) 3D structure; (b) top view; (c) cross section

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    Transmission spectrum and FWHM of transmission peak versus refractive index of micro-fluid. (a) Transmission spectrum; (b) FWHM of transmission peak

    Fig. 2. Transmission spectrum and FWHM of transmission peak versus refractive index of micro-fluid. (a) Transmission spectrum; (b) FWHM of transmission peak

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    Central wavelength of transmission spectrum versus refractive index of micro-fluid

    Fig. 3. Central wavelength of transmission spectrum versus refractive index of micro-fluid

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    Transmission spectrum versus structural parameters of device. (a) Grating gap distance w; (b) grating depth H; (c) grating period T

    Fig. 4. Transmission spectrum versus structural parameters of device. (a) Grating gap distance w; (b) grating depth H; (c) grating period T

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    Qiang Mao, Xionggui Tang, Fang Meng, Ming Chen, Shan Liang. Tunable Narrow-Band Filter with Sub-Wavelength Grating Structure by Micro-Optofluidic Technique[J]. Laser & Optoelectronics Progress, 2019, 56(4): 042301

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    Paper Information

    Category: Optical Devices

    Received: Aug. 20, 2018

    Accepted: Sep. 6, 2018

    Published Online: Jul. 31, 2019

    The Author Email: Tang Xionggui (tangxg@hunnu.edu.cn)

    DOI:10.3788/LOP56.042301

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology