Abstract

A high-throughput optical image crossbar switch (OPIX) that uses a point light source array as the switching device is constructed. A prototype OPIX is used to create various switching patterns for two-dimensional images. The newly constructed OPIX is suitable for high-speed operation because it uses point light sources instead of an optical shutter array as the switching device. Since it is based on an imaging system, the OPIX has a large space-bandwidth product. The introduction of OPIX to optical image data buses of parallel optical processing systems is particularly significant.

© 1993 Optical Society of America

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References

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  1. M. Fukiu, K. Kitayama, Appl. Opt. 31, 581 (1992).
    [CrossRef]
  2. M. Fukiu, K. Kitayama, Appl. Opt. 31, 4630 (1992).
    [CrossRef]
  3. M. Fukiu, K. Kitayama, Appl. Opt. 31, 5542 (1992).
    [CrossRef]
  4. M. Fukiu, K. Kitayama, presented at International Commission for Optics International Topical Meeting on Optical Computing, Minsk, Byelorussia, June 29–July 1, 1992, paper 30A3.
  5. K. Hamanaka, H. Nemoto, M. Oikawa, E. Okuda, T. Kishimoto, Appl. Opt. 29, 4064 (1990).
    [CrossRef] [PubMed]
  6. K. M. Johnson, M. A. Handschy, L. A. Pagano-Stauffer, Opt. Eng. 26, 385 (1987).
  7. K. Iga, F. Koyama, S. Kinoshita, IEEE J. Quantum Electron. 24, 1845 (1988).
    [CrossRef]

1992 (3)

1990 (1)

1988 (1)

K. Iga, F. Koyama, S. Kinoshita, IEEE J. Quantum Electron. 24, 1845 (1988).
[CrossRef]

1987 (1)

K. M. Johnson, M. A. Handschy, L. A. Pagano-Stauffer, Opt. Eng. 26, 385 (1987).

Fukiu, M.

M. Fukiu, K. Kitayama, Appl. Opt. 31, 581 (1992).
[CrossRef]

M. Fukiu, K. Kitayama, Appl. Opt. 31, 5542 (1992).
[CrossRef]

M. Fukiu, K. Kitayama, Appl. Opt. 31, 4630 (1992).
[CrossRef]

M. Fukiu, K. Kitayama, presented at International Commission for Optics International Topical Meeting on Optical Computing, Minsk, Byelorussia, June 29–July 1, 1992, paper 30A3.

Hamanaka, K.

Handschy, M. A.

K. M. Johnson, M. A. Handschy, L. A. Pagano-Stauffer, Opt. Eng. 26, 385 (1987).

Iga, K.

K. Iga, F. Koyama, S. Kinoshita, IEEE J. Quantum Electron. 24, 1845 (1988).
[CrossRef]

Johnson, K. M.

K. M. Johnson, M. A. Handschy, L. A. Pagano-Stauffer, Opt. Eng. 26, 385 (1987).

Kinoshita, S.

K. Iga, F. Koyama, S. Kinoshita, IEEE J. Quantum Electron. 24, 1845 (1988).
[CrossRef]

Kishimoto, T.

Kitayama, K.

M. Fukiu, K. Kitayama, Appl. Opt. 31, 581 (1992).
[CrossRef]

M. Fukiu, K. Kitayama, Appl. Opt. 31, 5542 (1992).
[CrossRef]

M. Fukiu, K. Kitayama, Appl. Opt. 31, 4630 (1992).
[CrossRef]

M. Fukiu, K. Kitayama, presented at International Commission for Optics International Topical Meeting on Optical Computing, Minsk, Byelorussia, June 29–July 1, 1992, paper 30A3.

Koyama, F.

K. Iga, F. Koyama, S. Kinoshita, IEEE J. Quantum Electron. 24, 1845 (1988).
[CrossRef]

Nemoto, H.

Oikawa, M.

Okuda, E.

Pagano-Stauffer, L. A.

K. M. Johnson, M. A. Handschy, L. A. Pagano-Stauffer, Opt. Eng. 26, 385 (1987).

Appl. Opt. (4)

IEEE J. Quantum Electron. (1)

K. Iga, F. Koyama, S. Kinoshita, IEEE J. Quantum Electron. 24, 1845 (1988).
[CrossRef]

Opt. Eng. (1)

K. M. Johnson, M. A. Handschy, L. A. Pagano-Stauffer, Opt. Eng. 26, 385 (1987).

Other (1)

M. Fukiu, K. Kitayama, presented at International Commission for Optics International Topical Meeting on Optical Computing, Minsk, Byelorussia, June 29–July 1, 1992, paper 30A3.

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Figures (5)

Fig. 1
Fig. 1

Conceptual configuration of the OPIX.

Fig. 2
Fig. 2

Optical setup of the OPIX that uses the point light source array.

Fig. 3
Fig. 3

Input binary images.

Fig. 4
Fig. 4

Output images of the prototype OPIX. Pattern A is a one-to-one interconnection (I21, to O11, I22 to O12, I12 to O21, and I11 to O22) Pattern B is a broadcast interconnection (I21 to all output ports). Pattern C is a narrowcast interconnection (I21 and I22 to O21). (b) Light emission patterns of the fiber array that yield interconnection patterns A, B, and C.

Fig. 5
Fig. 5

Output image at port O22 for the U.S. Air Force test chart input to port I22.

Tables (1)

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Table 1 Specifications of the Lenses Used in the Experiments

Equations (1)

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N max = D 5 NA 5 / [ 0 . 61 λ ( 1 NA 5 2 ) 1 / 2 ] ,

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