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Optics Letters

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  • Vol. 25, Iss. 10 — May. 15, 2000
  • pp: 719–721

Ultrahigh-resolution plastic graded-index fused image plates

Bongsoo Lee, Won Y. Choi, and James K. Walker  »View Author Affiliations


Optics Letters, Vol. 25, Issue 10, pp. 719-721 (2000)
http://dx.doi.org/10.1364/OL.25.000719


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Abstract

Fiber-optic imaging systems such as the medical endoscope, the boroscope, the fused-image faceplate, and the image conduit are now made from glass step-index (SI) fibers, and the image resolution of the SI fiber-optic imaging systems is limited to ~5 µm. Ultrahigh-resolution fiber-optic fused-image plates with fiber diameter sizes of 5 and 2.8 µm were fabricated with plastic graded-index (GRIN) fibers. The measured image resolutions of the 5-µm SI and GRIN-based guides were comparable, and the resolution of the plastic GRIN image guides improved as the fiber diameter was reduced from 5 to 2.8 µm.

© 2000 Optical Society of America

OCIS Codes
(100.6640) Image processing : Superresolution
(110.2350) Imaging systems : Fiber optics imaging
(160.2290) Materials : Fiber materials
(170.0110) Medical optics and biotechnology : Imaging systems

Citation
Bongsoo Lee, Won Y. Choi, and James K. Walker, "Ultrahigh-resolution plastic graded-index fused image plates," Opt. Lett. 25, 719-721 (2000)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-25-10-719


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