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

Opto-Electronic Advances, Volume. 5, Issue 3, 200050(2022)

Pencil-beam scanning catheter for intracoronary optical coherence tomography

Jiqiang Kang1... Rui Zhu2,3,4, Yunxu Sun1,*, Jianan Li3,4, and Kenneth K. Y. Wong56,* |Show fewer author(s)
Author Affiliations
  • 1School of Electronic and Information Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China
  • 2International Graduate School at Shenzhen, Tsinghua University, Shenzhen 518055, China
  • 3Shenzhen Vivolight Medical Device & Technology Co., Ltd., Shenzhen 518055, China
  • 4State Key Laboratory of Transient Optics and Photonics, Xi’an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi’an 710119, China
  • 5Department of Electrical and Electronic Engineering, The University of Hong Kong, Pokfulam Road, Hong Kong, China
  • 6Advanced Biomedical Instrumentation Centre, Hong Kong Science Park, Shatin, New Territories, Hong Kong, China
    • show less
    Full TextGet PDF
    Figures&Tables (6)
    Equations (0)
    References (6)
    Tools
    Paper Information
    Topics
    Figures & Tables(6)
    Schematic diagram of the spacer-removed probe.nf, ng, nc, and nair are the refractive index of SMF core, GRIN fiber at the center, NCF, and air, respectively; lg and lc are the length of GRIN fiber and NCF; P and θ are the polishing surface and tilt angle.

    Fig. 1. Schematic diagram of the spacer-removed probe.nf, ng, nc, and nair are the refractive index of SMF core, GRIN fiber at the center, NCF, and air, respectively; lg and lc are the length of GRIN fiber and NCF; P and θ are the polishing surface and tilt angle.

    Download full size
    View in Article
    (a) Refractive index of the GRIN fiber. Inset: cross section of GRIN fiber captured by the refractive index profiler. (b) FWHM beam size at different position. Inset: beam profile at 2-mm position (left top); beam measurement setup (right bottom).

    Fig. 2. (a) Refractive index of the GRIN fiber. Inset: cross section of GRIN fiber captured by the refractive index profiler. (b) FWHM beam size at different position. Inset: beam profile at 2-mm position (left top); beam measurement setup (right bottom).

    Download full size
    View in Article
    (a) Working distance and Rayleigh length versus different GRIN fiber length. (b) Beam size and divergence angle versus different GRIN fiber length.

    Fig. 3. (a) Working distance and Rayleigh length versus different GRIN fiber length. (b) Beam size and divergence angle versus different GRIN fiber length.

    Download full size
    View in Article
    (a) Angle-polished probe. (b) Distal optics with coil. (c) Distal image of assembled catheter with a guide wire and radiopaque marker. (d) Full view of the whole catheter. (e) Connection of the catheter and PIU. Inset: cap used to house the SC/APC connector. U: UV adhesive; C: double-wrapped torque coil; P: plastic sheath; M: radiopaque marker; G: 0.014-inch guide wire; T: catheter; L: Luer connector.

    Fig. 4. (a) Angle-polished probe. (b) Distal optics with coil. (c) Distal image of assembled catheter with a guide wire and radiopaque marker. (d) Full view of the whole catheter. (e) Connection of the catheter and PIU. Inset: cap used to house the SC/APC connector. U: UV adhesive; C: double-wrapped torque coil; P: plastic sheath; M: radiopaque marker; G: 0.014-inch guide wire; T: catheter; L: Luer connector.

    Download full size
    View in Article
    Catheter FWHM beam size at different imaging depth.X: horizontal direction, Y: vertical direction. Inset: beam profile at 2-mm position (right bottom); beam size measurement setup (left top).

    Fig. 5. Catheter FWHM beam size at different imaging depth.X: horizontal direction, Y: vertical direction. Inset: beam profile at 2-mm position (right bottom); beam size measurement setup (left top).

    Download full size
    View in Article
    (a) in vivo imaging arrangement. (b) X-ray image of porcine heart in this experiment. (c) Cross-section image without stent attachment. (d) Cross-section image with the stent. (e) Cutaway view of the 3D image of a segment of coronary artery with stent and guide wire. ECG: electrocardiogram; G: guidewire; H: healthy blood vessel wall; T: catheter; L: small blood vessel branch; S: stent.

    Fig. 6. (a) in vivo imaging arrangement. (b) X-ray image of porcine heart in this experiment. (c) Cross-section image without stent attachment. (d) Cross-section image with the stent. (e) Cutaway view of the 3D image of a segment of coronary artery with stent and guide wire. ECG: electrocardiogram; G: guidewire; H: healthy blood vessel wall; T: catheter; L: small blood vessel branch; S: stent.

    Download full size
    View in Article
    Tools

    Get Citation

    Copy Citation Text

    Jiqiang Kang, Rui Zhu, Yunxu Sun, Jianan Li, Kenneth K. Y. Wong. Pencil-beam scanning catheter for intracoronary optical coherence tomography[J]. Opto-Electronic Advances, 2022, 5(3): 200050

    Download Citation

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

    Category:

    Received: Aug. 26, 2020

    Accepted: Oct. 19, 2020

    Published Online: Jun. 30, 2022

    The Author Email:

    DOI:10.29026/oea.2022.200050

    Topics

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