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. 41, Issue 18, 1811003(2021)

Scanless and Lensless 3D Endoscopic Imaging Through Coherent Fiber Bundle

Tong Wu1,2, Jiayi Ke1,2, Ziqi Song1, Di Mo1, and Jin Wu1、*
Author Affiliations
  • 1Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China
  • 2School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing 100094, China
    • show less
    AbstractGet PDF(in Chinese)
    Figures&Tables (12)
    Equations (0)
    References (15)
    Cited By (2)
    Tools
    Paper Information
    Topics
    Figures & Tables(12)
    Operating principle of 3D endoscopic imaging

    Fig. 1. Operating principle of 3D endoscopic imaging

    Download full size
    Schematic setup of imaging system

    Fig. 2. Schematic setup of imaging system

    Download full size
    Structure of CFB

    Fig. 3. Structure of CFB

    Download full size
    Schematic setup of the phase error precorrection system

    Fig. 4. Schematic setup of the phase error precorrection system

    Download full size
    Imaging geometry of imaging system setup

    Fig. 5. Imaging geometry of imaging system setup

    Download full size
    Spatial distribution of the CDD data after inverse Fourier transform

    Fig. 6. Spatial distribution of the CDD data after inverse Fourier transform

    Download full size
    Data processing flow chart

    Fig. 7. Data processing flow chart

    Download full size
    Position and size of the target. (a) Schematic of CFB and target placement; (b) schematic of the target size

    Fig. 8. Position and size of the target. (a) Schematic of CFB and target placement; (b) schematic of the target size

    Download full size
    Power spectra of a point target. (a) Range resolution; (b) resolution in x direction; (c) resolution in y direction

    Fig. 9. Power spectra of a point target. (a) Range resolution; (b) resolution in x direction; (c) resolution in y direction

    Download full size
    Simulation results. (a) CCD recorded data; (b) phase data after DH process; (c) phase data after phase error compensation; (d) range compressed image; (e) transversal focused image; (f) 3D image of the target after RCMC correcting

    Fig. 10. Simulation results. (a) CCD recorded data; (b) phase data after DH process; (c) phase data after phase error compensation; (d) range compressed image; (e) transversal focused image; (f) 3D image of the target after RCMC correcting

    Download full size
    Projection diagrams of Fig.10(f). (a) Bottom view; (b) left side view

    Fig. 11. Projection diagrams of Fig.10(f). (a) Bottom view; (b) left side view

    Download full size

    • Table 1. Simulated parameter setting

      View table

      Table 1. Simulated parameter setting

      ItemParameterValue
      Central wavelength λ0 /nm1550
      Illuminating laserChirping bandwidth Br/THz3
      Pulse width τpul /ms20
      Local laserPosition (a,b) /(mm,mm)(3,3)
      Size (Dx×Dy) /(mm×mm)1×1
      CFB(facet shape: square)Core numbers (Nx×Ny)250×250
      Intervals (Δx×Δy) /(μm×μm)4×4
      CCDIntervals (Δu×Δv) /(μm×μm)20×20
    Tools

    Get Citation

    Copy Citation Text

    Tong Wu, Jiayi Ke, Ziqi Song, Di Mo, Jin Wu. Scanless and Lensless 3D Endoscopic Imaging Through Coherent Fiber Bundle[J]. Acta Optica Sinica, 2021, 41(18): 1811003

    Download Citation

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

    Category: Imaging Systems

    Received: Mar. 12, 2021

    Accepted: Apr. 16, 2021

    Published Online: Sep. 3, 2021

    The Author Email: Wu Jin (jwu909@263.net)

    DOI:10.3788/AOS202141.1811003

    Topics

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