Abstract

We have demonstrated an imaging threshold detector using a phase-conjugate resonator to provide high spatial resolution and signal regeneration near threshold. The device is based on spatially resolved grating erasure in photorefractive BaTiO3 and has the capability of high resolution and low cross talk.

© 1986 Optical Society of America

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References

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  1. A. P. Yakimovich, Kvantovaya Elektron. (Moscow) 11, 684 (1984) [Sov. J. Quantum Electron. 14, 464 (1984)].
  2. J. A. McEwan, A. D. Fisher, J. N. Lee, in Digest of Conference on Lasers and Electro-Optics Postdeadline Papers (Optical Society of America, Washington, D. C., 1985), paper PD-1.
  3. M. B. Klein, G. J. Dunning, G. C. Valley, R. C. Lind, T. R. O’Meara, in Digest of Conference on Lasers and Electro-Optics Postdeadline Papers (Optical Society of America, Washington, D. C., 1985), paper PD-5.
  4. A. A. Kamshilin, M. P. Petrov, Pis’ma Zh. Tekh. Fiz. 6, 337 (1980) [Sov. Tech. Phys. Lett. 6, 144 (1980)].
  5. Y. Shi, D. Psaltis, A. Marrakchi, A. R. Tanguay, Appl. Opt. 22, 3665 (1983).
    [CrossRef] [PubMed]
  6. A. Marrakchi, A. R. Tanguay, J. Yu, D. Psaltis, Proc. Soc. Photo-Opt. Instrum. Eng. 465, 82 (1984).

1984

A. P. Yakimovich, Kvantovaya Elektron. (Moscow) 11, 684 (1984) [Sov. J. Quantum Electron. 14, 464 (1984)].

A. Marrakchi, A. R. Tanguay, J. Yu, D. Psaltis, Proc. Soc. Photo-Opt. Instrum. Eng. 465, 82 (1984).

1983

1980

A. A. Kamshilin, M. P. Petrov, Pis’ma Zh. Tekh. Fiz. 6, 337 (1980) [Sov. Tech. Phys. Lett. 6, 144 (1980)].

Dunning, G. J.

M. B. Klein, G. J. Dunning, G. C. Valley, R. C. Lind, T. R. O’Meara, in Digest of Conference on Lasers and Electro-Optics Postdeadline Papers (Optical Society of America, Washington, D. C., 1985), paper PD-5.

Fisher, A. D.

J. A. McEwan, A. D. Fisher, J. N. Lee, in Digest of Conference on Lasers and Electro-Optics Postdeadline Papers (Optical Society of America, Washington, D. C., 1985), paper PD-1.

Kamshilin, A. A.

A. A. Kamshilin, M. P. Petrov, Pis’ma Zh. Tekh. Fiz. 6, 337 (1980) [Sov. Tech. Phys. Lett. 6, 144 (1980)].

Klein, M. B.

M. B. Klein, G. J. Dunning, G. C. Valley, R. C. Lind, T. R. O’Meara, in Digest of Conference on Lasers and Electro-Optics Postdeadline Papers (Optical Society of America, Washington, D. C., 1985), paper PD-5.

Lee, J. N.

J. A. McEwan, A. D. Fisher, J. N. Lee, in Digest of Conference on Lasers and Electro-Optics Postdeadline Papers (Optical Society of America, Washington, D. C., 1985), paper PD-1.

Lind, R. C.

M. B. Klein, G. J. Dunning, G. C. Valley, R. C. Lind, T. R. O’Meara, in Digest of Conference on Lasers and Electro-Optics Postdeadline Papers (Optical Society of America, Washington, D. C., 1985), paper PD-5.

Marrakchi, A.

A. Marrakchi, A. R. Tanguay, J. Yu, D. Psaltis, Proc. Soc. Photo-Opt. Instrum. Eng. 465, 82 (1984).

Y. Shi, D. Psaltis, A. Marrakchi, A. R. Tanguay, Appl. Opt. 22, 3665 (1983).
[CrossRef] [PubMed]

McEwan, J. A.

J. A. McEwan, A. D. Fisher, J. N. Lee, in Digest of Conference on Lasers and Electro-Optics Postdeadline Papers (Optical Society of America, Washington, D. C., 1985), paper PD-1.

O’Meara, T. R.

M. B. Klein, G. J. Dunning, G. C. Valley, R. C. Lind, T. R. O’Meara, in Digest of Conference on Lasers and Electro-Optics Postdeadline Papers (Optical Society of America, Washington, D. C., 1985), paper PD-5.

Petrov, M. P.

A. A. Kamshilin, M. P. Petrov, Pis’ma Zh. Tekh. Fiz. 6, 337 (1980) [Sov. Tech. Phys. Lett. 6, 144 (1980)].

Psaltis, D.

A. Marrakchi, A. R. Tanguay, J. Yu, D. Psaltis, Proc. Soc. Photo-Opt. Instrum. Eng. 465, 82 (1984).

Y. Shi, D. Psaltis, A. Marrakchi, A. R. Tanguay, Appl. Opt. 22, 3665 (1983).
[CrossRef] [PubMed]

Shi, Y.

Tanguay, A. R.

A. Marrakchi, A. R. Tanguay, J. Yu, D. Psaltis, Proc. Soc. Photo-Opt. Instrum. Eng. 465, 82 (1984).

Y. Shi, D. Psaltis, A. Marrakchi, A. R. Tanguay, Appl. Opt. 22, 3665 (1983).
[CrossRef] [PubMed]

Valley, G. C.

M. B. Klein, G. J. Dunning, G. C. Valley, R. C. Lind, T. R. O’Meara, in Digest of Conference on Lasers and Electro-Optics Postdeadline Papers (Optical Society of America, Washington, D. C., 1985), paper PD-5.

Yakimovich, A. P.

A. P. Yakimovich, Kvantovaya Elektron. (Moscow) 11, 684 (1984) [Sov. J. Quantum Electron. 14, 464 (1984)].

Yu, J.

A. Marrakchi, A. R. Tanguay, J. Yu, D. Psaltis, Proc. Soc. Photo-Opt. Instrum. Eng. 465, 82 (1984).

Appl. Opt.

Kvantovaya Elektron. (Moscow)

A. P. Yakimovich, Kvantovaya Elektron. (Moscow) 11, 684 (1984) [Sov. J. Quantum Electron. 14, 464 (1984)].

Pis’ma Zh. Tekh. Fiz.

A. A. Kamshilin, M. P. Petrov, Pis’ma Zh. Tekh. Fiz. 6, 337 (1980) [Sov. Tech. Phys. Lett. 6, 144 (1980)].

Proc. Soc. Photo-Opt. Instrum. Eng.

A. Marrakchi, A. R. Tanguay, J. Yu, D. Psaltis, Proc. Soc. Photo-Opt. Instrum. Eng. 465, 82 (1984).

Other

J. A. McEwan, A. D. Fisher, J. N. Lee, in Digest of Conference on Lasers and Electro-Optics Postdeadline Papers (Optical Society of America, Washington, D. C., 1985), paper PD-1.

M. B. Klein, G. J. Dunning, G. C. Valley, R. C. Lind, T. R. O’Meara, in Digest of Conference on Lasers and Electro-Optics Postdeadline Papers (Optical Society of America, Washington, D. C., 1985), paper PD-5.

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Figures (4)

Fig. 1
Fig. 1

Schematic diagram of imaging threshold detector.

Fig. 2
Fig. 2

Experimental layout.

Fig. 3
Fig. 3

Photographs and intensity profiles of device output: a, erase beam off; b, 20-line/mm Ronchi grating in erase beam.

Fig. 4
Fig. 4

Spatial profiles of four-dot arrays (75-μm dots on 150-.μm centers) used in erase beam and corresponding device output. a, Array 1, with relative intensities shown for each dot; b, photograph of device output; c, relative intensity distribution along cursor shown in b; d, array 2, with relative intensities; e, photograph of device output; f, intensity distribution along cursor shown in e.

Equations (3)

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Δ n  ~  E 1 E 2 * / ( E 1 2 + E 2 2 + E 3 2 ) .
F = a 2 / L λ > 0.4 ,
d < b = π n a 2 / 2 λ ,

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