Abstract

One-way transmission of images was achieved with two graded-index multimode optical fibers and a phase-conjugate mirror. Two fibers were made to have the same shape and the same property. A distorted output beam from the first fiber was reflected by a photorefractive self-pumped BaTiO3 phase-conjugate mirror and was launched to the second fiber. Images were restored in the output beam of the second fiber. Graded-index fibers showed better image recovery than did step-index fibers.

© 1996 Optical Society of America

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References

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    [CrossRef]
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    [CrossRef] [PubMed]

1995 (1)

1990 (1)

1988 (1)

1987 (1)

1985 (1)

B. Fisher and S. Sternklar, “Image transmission and interferometry with multimode fibers using self-pumped phase conjugation,” Appl. Phys. Lett. 46, 113–114 (1985).
[CrossRef]

1982 (1)

1976 (2)

Beckwith, P. H.

Dunning, G. J.

Fisher, B.

B. Fisher and S. Sternklar, “Image transmission and interferometry with multimode fibers using self-pumped phase conjugation,” Appl. Phys. Lett. 46, 113–114 (1985).
[CrossRef]

Fukui, M.

Gover, A.

Karaki, K.

Kitayama, K.

Lee, C. P.

Lind, R. C.

McMichael, I.

Ogasawara, T.

Ohno, M.

Sternklar, S.

B. Fisher and S. Sternklar, “Image transmission and interferometry with multimode fibers using self-pumped phase conjugation,” Appl. Phys. Lett. 46, 113–114 (1985).
[CrossRef]

Tomita, Y.

Yahalom, R.

Yariv, A.

Yeh, P.

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Figures (5)

Fig. 1
Fig. 1

Experimental setup for examining the image transmission capability of graded-index (GRIN) multimode optical fibers.

Fig. 2
Fig. 2

Experimental results. (a) Input test pattern; (b)–(e) output images of different fiber lengths: (b) 25 mm, (c) 50.5 mm, (d) 100.1 mm, (e) 150.5 mm.

Fig. 3
Fig. 3

Experimental setup for examining the one-way image transmission with a pair of multimode optical fibers and a PCM.

Fig. 4
Fig. 4

Experimental results with graded-index optical fibers. (a) Input image placed at plane A; (b) and (e), output images of fiber 1; (c) and (f), transmitted images at plane B; (d) and (g), round-trip images restored at plane C. (b), (c), and (d) are the results with the fiber length 50 mm; (e), (f), and (g) are the results with the fiber length 100 mm.

Fig. 5
Fig. 5

Experimental results with step-index optical fibers. (a) Input image placed at plane A; (b) and (e), output images of fiber 1; (c) and (f), transmitted images at plane B; (d) and (g), round-trip images restored at plane C. (b), (c), and (d) are the results with the fiber length 50 mm; (e), (f), and (g) are the results with the fiber length 100 mm.

Equations (1)

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n ( r ) 2 = n ( 0 ) 2 [ 1 ( g r ) 2 ] ,

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