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Related Experiment Video

Updated: Oct 7, 2025

High-resolution Fiber-optic Microendoscopy for in situ Cellular Imaging
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Optical Fiber Bundle-Based High-Speed and Precise Micro-Scanning for Image High-Resolution Reconstruction.

Jiali Jiang1,2, Xin Zhou1,2,3, Jiaying Liu1,2,3

  • 1Key Laboratory on Adaptive Optics, Chinese Academy of Sciences, Chengdu 610209, China.

Sensors (Basel, Switzerland)
|January 11, 2022
PubMed
Summary

We developed a novel high-resolution imaging technique using an optical fiber bundle and micro-scanning. This method achieves superior image quality without complex algorithms, offering a significant improvement over traditional methods.

Keywords:
high-resolutionmicro-scanningoptical fiber bundlepiezoelectric-ceramic-chip

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Area of Science:

  • Optics and Photonics
  • Microscopy and Imaging

Background:

  • Traditional imaging techniques often require complex reconstruction algorithms for high-resolution results.
  • Achieving high resolution typically involves trade-offs in speed or complexity.

Purpose of the Study:

  • To present a novel imaging method combining an optical fiber bundle with micro-scanning.
  • To enhance image quality without relying on intricate image reconstruction algorithms.

Main Methods:

  • Utilized a piezoelectric-ceramic-chip for precise micro-displacement of an optical fiber bundle.
  • Employed an optical fiber bundle (4/80 μm core/cladding diameter, hexagonal arrangement) for scanning a 1951 USAF target with a 1 μm step.
  • Implemented high-speed data acquisition via photodetectors and image stitching for high-resolution image generation.

Main Results:

  • Achieved a minimum distinguishable stripe width of approximately 2.1 μm.
  • Demonstrated a 1x improvement in resolution compared to direct imaging with a CCD camera of similar pixel size to the fiber core.
  • Verified the technique's capability for high-speed and high-precision imaging.

Conclusions:

  • The proposed optical fiber bundle combined with piezoelectric-ceramic-chip driven micro-scanning is an effective high-resolution imaging technique.
  • This method offers a simpler alternative to complex reconstruction algorithms for enhanced image quality.
  • The technique shows promise for applications requiring high-speed and precise imaging.