Journals Articles Conferences News About CLP
Submit a paper Email Alert
Search
Search
Articles
Journals
News
Advanced Search
Top Searches
2D MaterialsTransformation opticsQuantum PhotonicsSmall lasersSemiconductor UV PhotonicsSupersymmetric microring laser arrays

Acta Optica Sinica, Volume. 45, Issue 3, 0305002(2025)

Design and Sensing Characteristic Analysis of Biconcave-Shaped Fiber Bragg Grating Structures Inscribed by Femtosecond Laser

Shengnan Zheng1, Dongying Chen2, Qiang Zhao2,3、*, and Jing Wang1
Author Affiliations
  • 1College of Physics and Optoelectronic Engineering, Faculty of Information Science and Engineering, Ocean University of China, Qingdao 266100, Shandong , China
  • 2Institute of Oceanographic Instrumentation, Qilu University of Technology (Shandong Academy of Sciences), Qingdao 266061, Shandong , China
  • 3Laoshan Laboratory, Qingdao 266237, Shandong , China
    • show less
    AbstractGet PDF(in Chinese)
    Figures&Tables (9)
    Equations (0)
    References (21)
    Tools
    Paper Information
    Topics
    Figures & Tables(9)
    Refractive index modulation region. (a) Traditional FBG; (b) biconcave-shaped FBG

    Fig. 1. Refractive index modulation region. (a) Traditional FBG; (b) biconcave-shaped FBG

    Download full size
    Results of biconcave-shaped FBG for different curvature values of modulation region geometric shape. (a) Reflectivity; (b) peak reflectivity

    Fig. 2. Results of biconcave-shaped FBG for different curvature values of modulation region geometric shape. (a) Reflectivity; (b) peak reflectivity

    Download full size
    Reflectivity results corresponding to different grating lengths. (a) Biconcave-shaped FBG; (b) traditional FBG

    Fig. 3. Reflectivity results corresponding to different grating lengths. (a) Biconcave-shaped FBG; (b) traditional FBG

    Download full size
    Reflectivity results corresponding to different grating periods. (a) Biconcave-shaped FBG; (b) traditional FBG

    Fig. 4. Reflectivity results corresponding to different grating periods. (a) Biconcave-shaped FBG; (b) traditional FBG

    Download full size
    Reflectivity results corresponding to different grating modulation depths. (a) Biconcave-shaped FBG; (b) traditional FBG

    Fig. 5. Reflectivity results corresponding to different grating modulation depths. (a) Biconcave-shaped FBG; (b) traditional FBG

    Download full size
    Reflectivity results corresponding to different grating orders. (a) Biconcave-shaped FBG; (b) traditional FBG

    Fig. 6. Reflectivity results corresponding to different grating orders. (a) Biconcave-shaped FBG; (b) traditional FBG

    Download full size
    Spectra of biconcave-shaped FBG and traditional FBG. (a) Spectra of reflection; (b) spectra of transmission

    Fig. 7. Spectra of biconcave-shaped FBG and traditional FBG. (a) Spectra of reflection; (b) spectra of transmission

    Download full size
    Results of biconcave-shaped FBG temperature sensing. (a) Results of reflectivity at different temperatures; (b) temperature fitting curve

    Fig. 8. Results of biconcave-shaped FBG temperature sensing. (a) Results of reflectivity at different temperatures; (b) temperature fitting curve

    Download full size
    Results of biconcave-shaped FBG strain sensing. (a) Results of reflectivity at different strains; (b) strain fitting curve

    Fig. 9. Results of biconcave-shaped FBG strain sensing. (a) Results of reflectivity at different strains; (b) strain fitting curve

    Download full size
    Tools

    Get Citation

    Copy Citation Text

    Shengnan Zheng, Dongying Chen, Qiang Zhao, Jing Wang. Design and Sensing Characteristic Analysis of Biconcave-Shaped Fiber Bragg Grating Structures Inscribed by Femtosecond Laser[J]. Acta Optica Sinica, 2025, 45(3): 0305002

    Download Citation

    EndNote(RIS)BibTexPlain Text
    Set citation alerts for article
    Save article for my favorites
    Paper Information

    Category: Diffraction and Gratings

    Received: Oct. 24, 2024

    Accepted: Nov. 19, 2024

    Published Online: Feb. 20, 2025

    The Author Email: Zhao Qiang (zhaoqiang@qlu.edu.cn)

    DOI:10.3788/AOS241678

    CSTR:32393.14.AOS241678

    Topics

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