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 5µm 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

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References

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  1. W. B. Allan, Fibre Optics Theory and Practice (Plenum, London, 1973).
  2. T. Ishigure, E. Nihei, and Y. Koike, Appl. Opt. 33, 19 (1994).
    [CrossRef]
  3. Y. Koike, Y. Takezawa, and Y. Ohtsuka, Appl. Opt. 27, 486 (1988).
    [CrossRef] [PubMed]
  4. Y. Ohtsuka, E. Nihei, and Y. Koike, Appl. Phys. Lett. 57, 2 (1990).
    [CrossRef]
  5. Y. Koike and E. Nihei, “Method of manufacturing plastic optical transmission medium,” U.S. patent 5,593,621 (January 14, 1997).
  6. B. C. Ho, J. H. Chen, W. C. Chen, Y. H. Chang, J. J. Chen, and T. W. Tseng, Polymer J. 27, 310 (1995).
    [CrossRef]
  7. C.-W. Park, B. S. Lee, J. K. Walker, and W. Y. Choi, Ind. Eng. Chem. Res. 39, 79 (2000).
    [CrossRef]
  8. T. Tsumanuma, K. Tanaka, S. Chigira, K. Sanada, and K. Inada, Proc. SPIE 906, 92 (1988).
    [CrossRef]
  9. C. R. Pollock, Fundamentals of Optoelectronics (Irwin, Chicago, 1995).
  10. A. W. Snyder and J. D. Love, Optical Waveguide Theory (Chapman & Hall, London, 1983).

2000

C.-W. Park, B. S. Lee, J. K. Walker, and W. Y. Choi, Ind. Eng. Chem. Res. 39, 79 (2000).
[CrossRef]

1995

B. C. Ho, J. H. Chen, W. C. Chen, Y. H. Chang, J. J. Chen, and T. W. Tseng, Polymer J. 27, 310 (1995).
[CrossRef]

1994

T. Ishigure, E. Nihei, and Y. Koike, Appl. Opt. 33, 19 (1994).
[CrossRef]

1990

Y. Ohtsuka, E. Nihei, and Y. Koike, Appl. Phys. Lett. 57, 2 (1990).
[CrossRef]

1988

T. Tsumanuma, K. Tanaka, S. Chigira, K. Sanada, and K. Inada, Proc. SPIE 906, 92 (1988).
[CrossRef]

Y. Koike, Y. Takezawa, and Y. Ohtsuka, Appl. Opt. 27, 486 (1988).
[CrossRef] [PubMed]

Allan, W. B.

W. B. Allan, Fibre Optics Theory and Practice (Plenum, London, 1973).

Chang, Y. H.

B. C. Ho, J. H. Chen, W. C. Chen, Y. H. Chang, J. J. Chen, and T. W. Tseng, Polymer J. 27, 310 (1995).
[CrossRef]

Chen, J. H.

B. C. Ho, J. H. Chen, W. C. Chen, Y. H. Chang, J. J. Chen, and T. W. Tseng, Polymer J. 27, 310 (1995).
[CrossRef]

Chen, J. J.

B. C. Ho, J. H. Chen, W. C. Chen, Y. H. Chang, J. J. Chen, and T. W. Tseng, Polymer J. 27, 310 (1995).
[CrossRef]

Chen, W. C.

B. C. Ho, J. H. Chen, W. C. Chen, Y. H. Chang, J. J. Chen, and T. W. Tseng, Polymer J. 27, 310 (1995).
[CrossRef]

Chigira, S.

T. Tsumanuma, K. Tanaka, S. Chigira, K. Sanada, and K. Inada, Proc. SPIE 906, 92 (1988).
[CrossRef]

Choi, W. Y.

C.-W. Park, B. S. Lee, J. K. Walker, and W. Y. Choi, Ind. Eng. Chem. Res. 39, 79 (2000).
[CrossRef]

Ho, B. C.

B. C. Ho, J. H. Chen, W. C. Chen, Y. H. Chang, J. J. Chen, and T. W. Tseng, Polymer J. 27, 310 (1995).
[CrossRef]

Inada, K.

T. Tsumanuma, K. Tanaka, S. Chigira, K. Sanada, and K. Inada, Proc. SPIE 906, 92 (1988).
[CrossRef]

Ishigure, T.

T. Ishigure, E. Nihei, and Y. Koike, Appl. Opt. 33, 19 (1994).
[CrossRef]

Koike, Y.

T. Ishigure, E. Nihei, and Y. Koike, Appl. Opt. 33, 19 (1994).
[CrossRef]

Y. Ohtsuka, E. Nihei, and Y. Koike, Appl. Phys. Lett. 57, 2 (1990).
[CrossRef]

Y. Koike, Y. Takezawa, and Y. Ohtsuka, Appl. Opt. 27, 486 (1988).
[CrossRef] [PubMed]

Y. Koike and E. Nihei, “Method of manufacturing plastic optical transmission medium,” U.S. patent 5,593,621 (January 14, 1997).

Lee, B. S.

C.-W. Park, B. S. Lee, J. K. Walker, and W. Y. Choi, Ind. Eng. Chem. Res. 39, 79 (2000).
[CrossRef]

Love, J. D.

A. W. Snyder and J. D. Love, Optical Waveguide Theory (Chapman & Hall, London, 1983).

Nihei, E.

T. Ishigure, E. Nihei, and Y. Koike, Appl. Opt. 33, 19 (1994).
[CrossRef]

Y. Ohtsuka, E. Nihei, and Y. Koike, Appl. Phys. Lett. 57, 2 (1990).
[CrossRef]

Y. Koike and E. Nihei, “Method of manufacturing plastic optical transmission medium,” U.S. patent 5,593,621 (January 14, 1997).

Ohtsuka, Y.

Y. Ohtsuka, E. Nihei, and Y. Koike, Appl. Phys. Lett. 57, 2 (1990).
[CrossRef]

Y. Koike, Y. Takezawa, and Y. Ohtsuka, Appl. Opt. 27, 486 (1988).
[CrossRef] [PubMed]

Park, C.-W.

C.-W. Park, B. S. Lee, J. K. Walker, and W. Y. Choi, Ind. Eng. Chem. Res. 39, 79 (2000).
[CrossRef]

Pollock, C. R.

C. R. Pollock, Fundamentals of Optoelectronics (Irwin, Chicago, 1995).

Sanada, K.

T. Tsumanuma, K. Tanaka, S. Chigira, K. Sanada, and K. Inada, Proc. SPIE 906, 92 (1988).
[CrossRef]

Snyder, A. W.

A. W. Snyder and J. D. Love, Optical Waveguide Theory (Chapman & Hall, London, 1983).

Takezawa, Y.

Tanaka, K.

T. Tsumanuma, K. Tanaka, S. Chigira, K. Sanada, and K. Inada, Proc. SPIE 906, 92 (1988).
[CrossRef]

Tseng, T. W.

B. C. Ho, J. H. Chen, W. C. Chen, Y. H. Chang, J. J. Chen, and T. W. Tseng, Polymer J. 27, 310 (1995).
[CrossRef]

Tsumanuma, T.

T. Tsumanuma, K. Tanaka, S. Chigira, K. Sanada, and K. Inada, Proc. SPIE 906, 92 (1988).
[CrossRef]

Walker, J. K.

C.-W. Park, B. S. Lee, J. K. Walker, and W. Y. Choi, Ind. Eng. Chem. Res. 39, 79 (2000).
[CrossRef]

Appl. Opt.

Appl. Phys. Lett.

Y. Ohtsuka, E. Nihei, and Y. Koike, Appl. Phys. Lett. 57, 2 (1990).
[CrossRef]

Ind. Eng. Chem. Res.

C.-W. Park, B. S. Lee, J. K. Walker, and W. Y. Choi, Ind. Eng. Chem. Res. 39, 79 (2000).
[CrossRef]

Polymer J.

B. C. Ho, J. H. Chen, W. C. Chen, Y. H. Chang, J. J. Chen, and T. W. Tseng, Polymer J. 27, 310 (1995).
[CrossRef]

Proc. SPIE

T. Tsumanuma, K. Tanaka, S. Chigira, K. Sanada, and K. Inada, Proc. SPIE 906, 92 (1988).
[CrossRef]

Other

C. R. Pollock, Fundamentals of Optoelectronics (Irwin, Chicago, 1995).

A. W. Snyder and J. D. Love, Optical Waveguide Theory (Chapman & Hall, London, 1983).

W. B. Allan, Fibre Optics Theory and Practice (Plenum, London, 1973).

Y. Koike and E. Nihei, “Method of manufacturing plastic optical transmission medium,” U.S. patent 5,593,621 (January 14, 1997).

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Figures (5)

Fig. 1
Fig. 1

Transmitted image of a plastic GRIN image plate with 5µm-diameter microfibers (400× magnification).

Fig. 2
Fig. 2

ERF measurement setup.

Fig. 3
Fig. 3

Measured ERF of a fused image plate with 5µm-diameter microfibers.

Fig. 4
Fig. 4

Measured ERF of a fused image plate with 2.8µm-diameter microfibers.

Fig. 5
Fig. 5

MTF’s of plastic GRIN image plates and a glass SI image plate: lp, line pairs.

Equations (2)

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NARA=NA01-R/A21/2.
R=Vλ/2πNA,

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