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BULLETIN OF THE CHINESE CERAMIC SOCIETY ›› 2022, Vol. 41 ›› Issue (11): 3777-3780.

Special Issue: 玻璃

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Coherent Silica Fiber Bundles with Ultra-High Resolution

XU Yantao, GUO Haitao, HOU Chaoqi, CUI Xiaoxia, GAO Song, ZHANG Yan, SHE Shengfei   

  1. Research Laboratory of Photonic Functional Materials and Devices, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China
  • Received:2022-08-15 Revised:2022-09-21 Online:2022-11-15 Published:2022-12-12

Abstract: Coherent silica fiber bundles have important applications in medical diagnosis, industrial equipment defects detection, high-voltage transformer winding monitoring, and large field optical systems. The sol-gel method is used to introduce absorbent into pixel monofilament gap, which successfully solves the problem of crosstalk in bundles. Silica fiber bundles with 600 μm outer diameter, 15 000 pixels, 4.4 μm pixel diameter, and resolution of 113 lp/mm were prepared by one-step multiple-fiber process. The results show that there are no dark or broken pixels, no distortion in bundles and the image is clear, which means the coherent silica fiber bundles meet the commercial use requirements.

Key words: coherent fiber bundle, silica fiber, high resolution, multiple-fiber method, sol-gel method, absorbent

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