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Journal of the Optical Society of Korea

Journal of the Optical Society of Korea

| PUBLISHED BY THE OPTICAL SOCIETY OF KOREA

  • Vol. 5, Iss. 2 — Jun. 30, 2001
  • pp: 33–36

Measurement of Spatial Resolution in Fiber-optic Image Guides

Bong-Soo Lee  »View Author Affiliations


Journal of the Optical Society of Korea, Vol. 5, Issue 2, pp. 33-36 (2001)


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Abstract

Common methods of determining the spatial resolution of fiber-optic image guides are by measuring the diameter of individual microfibers or by the use of a resolution test target. However these methods cannot provide enough information of spatial resolution in ultrathin fiber-optic image guides. In this study, a simple method to measure the modulation transfer function (MTF) of an mage guide was developed. The MTFs of ultrathin image guides with 3 and 4<TEX>${\mu}{\textrm}{m}$</TEX> Um diameter were measured by examining transmitted sharp edge image. This method should be especially useful for measuring spatial resolution of ultrahigh resolution image guides with less than 5 <TEX>${\mu}{\textrm}{m}$</TEX> diameter microfibers because their spatial resolution cannot be determined by individual microfiber diameter due to crosstalk and leaky ray phenomena.

© 2001 Optical Society of Korea

OCIS Codes
(100.6640) Image processing : Superresolution
(110.2350) Imaging systems : Fiber optics imaging
(110.3000) Imaging systems : Image quality assessment
(110.4100) Imaging systems : Modulation transfer function

History
Original Manuscript: June 21, 2000
Published: June 1, 2001

Citation
Bong-Soo Lee, "Measurement of Spatial Resolution in Fiber-optic Image Guides," J. Opt. Soc. Korea 5, 33-36 (2001)
http://www.opticsinfobase.org/josk/abstract.cfm?URI=josk-5-2-33


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References

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