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Acta Optica Sinica, Volume. 41, Issue 20, 2005001(2021)

Design of Narrow-Band Flat-Top Filter Based on Cascaded Compound Gratings

Jiuzhou Yu1, Xiuhong Liu2, Yining Bao2, Danping Ren1, Jinhua Hu1、*, and Jijun Zhao1
Author Affiliations
  • 1School of Information & Electrical Engineering, Hebei University of Engineering, Handan, Hebei 0 56038, China;
  • 2School of Mathematics & Physics, Hebei University of Engineering, Handan, Hebei 0 56038, China;
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    Structural diagrams. (a) Double-layer compound GMR grating filter; (b) single-layer compound GMR grating filter

    Fig. 1. Structural diagrams. (a) Double-layer compound GMR grating filter; (b) single-layer compound GMR grating filter

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    Reflection spectra of double-layer and single-layer GMR gratings

    Fig. 2. Reflection spectra of double-layer and single-layer GMR gratings

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    Reflection spectra of double-layer GMR gratings with different L

    Fig. 3. Reflection spectra of double-layer GMR gratings with different L

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    Reflection spectra of double-layer GMR gratings with different spacings d. (a) d=337 nm; (b) d=347 nm; (c) d=357 nm; (d) d=367 nm

    Fig. 4. Reflection spectra of double-layer GMR gratings with different spacings d. (a) d=337 nm; (b) d=347 nm; (c) d=357 nm; (d) d=367 nm

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    Electric field intensity distributions of the eigenmode mode in different double-layer compound grating structures with various spacings d. (a) d=307 nm; (b) d=337 nm; (c) d=367 nm

    Fig. 5. Electric field intensity distributions of the eigenmode mode in different double-layer compound grating structures with various spacings d. (a) d=307 nm; (b) d=337 nm; (c) d=367 nm

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    Reflection spectra of double-layer GMR grating with different grating periods

    Fig. 6. Reflection spectra of double-layer GMR grating with different grating periods

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    Jiuzhou Yu, Xiuhong Liu, Yining Bao, Danping Ren, Jinhua Hu, Jijun Zhao. Design of Narrow-Band Flat-Top Filter Based on Cascaded Compound Gratings[J]. Acta Optica Sinica, 2021, 41(20): 2005001

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    Paper Information

    Category: Diffraction and Gratings

    Received: Mar. 15, 2021

    Accepted: May. 7, 2021

    Published Online: Sep. 30, 2021

    The Author Email: Hu Jinhua (hujh84@hebeu.edu.cn)

    DOI:10.3788/AOS202141.2005001

    Topics

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