Abstract

The development of liquid-crystal panels for use in commercial equipment has been aimed at improving the pixel resolution and the display efficiency. These improvements have led to a reduction in the thickness of such devices, among other outcomes, that involves a loss in phase modulation. We propose a modification of the classical phase-only filter to permit displays in VGA liquid-crystal panels with a constant amplitude modulation and less than a 2π phase modulation. The method was tested experimentally in an optical setup.

© 2000 Optical Society of America

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References

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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef] [PubMed]
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    [CrossRef]
  7. J. A. Davis, I. Moreno, P. Tsai, “Polarization eigenstates for twisted-nematic liquid-crystal displays,” Appl. Opt. 37, 937–945 (1998).
    [CrossRef]
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    [CrossRef]
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1998 (2)

T. L. Kelly, J. Munch, “Wavelength dependence of twisted nematic liquid crystal phase modulators,” Opt. Commun. 156, 252–258 (1998).
[CrossRef]

J. A. Davis, I. Moreno, P. Tsai, “Polarization eigenstates for twisted-nematic liquid-crystal displays,” Appl. Opt. 37, 937–945 (1998).
[CrossRef]

1997 (1)

E. Martín-Badosa, A. Carnicer, I. Juvells, S. Vallmitjana, “Liquid crystal devices complex modulation characterization by interferometric data correlation,” Meas. Sci. Technol. 8, 764–772 (1997).
[CrossRef]

1995 (1)

M. Yamauchi, T. Eiju, “Phase modulation capability of thin twisted nematic liquid crystal panels at double-pass configurations,” Opt. Rev. 2, 24–27 (1995).
[CrossRef]

1993 (1)

1990 (1)

K. Lu, B. E. A. Saleh, “Theory and design of the liquid crystal TV as an optical spatial phase modulator,” Opt. Eng. 29, 240–246 (1990).
[CrossRef]

1986 (1)

1984 (1)

1982 (1)

Carnicer, A.

E. Martín-Badosa, A. Carnicer, I. Juvells, S. Vallmitjana, “Liquid crystal devices complex modulation characterization by interferometric data correlation,” Meas. Sci. Technol. 8, 764–772 (1997).
[CrossRef]

Chipman, R. A.

Davis, J. A.

Eiju, T.

M. Yamauchi, T. Eiju, “Phase modulation capability of thin twisted nematic liquid crystal panels at double-pass configurations,” Opt. Rev. 2, 24–27 (1995).
[CrossRef]

Gianino, P. D.

Graham, A.

A. Stoianov, C. Soutar, A. Graham, “High-speed fingerprint verification using an optical correlator,” in Optical Pattern Recognition IX, D. P. Casasent, T. Chao, eds., Proc. SPIE3386, 242–252 (1998).
[CrossRef]

Gregory, D. A.

Horner, J. L.

Joyeux, D.

Juvells, I.

E. Martín-Badosa, A. Carnicer, I. Juvells, S. Vallmitjana, “Liquid crystal devices complex modulation characterization by interferometric data correlation,” Meas. Sci. Technol. 8, 764–772 (1997).
[CrossRef]

Kelly, T. L.

T. L. Kelly, J. Munch, “Wavelength dependence of twisted nematic liquid crystal phase modulators,” Opt. Commun. 156, 252–258 (1998).
[CrossRef]

Lowenthal, S.

Lu, K.

K. Lu, B. E. A. Saleh, “Theory and design of the liquid crystal TV as an optical spatial phase modulator,” Opt. Eng. 29, 240–246 (1990).
[CrossRef]

Martín-Badosa, E.

E. Martín-Badosa, A. Carnicer, I. Juvells, S. Vallmitjana, “Liquid crystal devices complex modulation characterization by interferometric data correlation,” Meas. Sci. Technol. 8, 764–772 (1997).
[CrossRef]

Monroe, S. E.

C. Soutar, S. E. Monroe, “Selection of operating curves of twisted-nematic liquid-crystal televisions,” in Advances in Optical Information Processing VI, D. R. Pape, ed., Proc. SPIE2240, 280–291 (1994).
[CrossRef]

Moreno, I.

Munch, J.

T. L. Kelly, J. Munch, “Wavelength dependence of twisted nematic liquid crystal phase modulators,” Opt. Commun. 156, 252–258 (1998).
[CrossRef]

Pezzaniti, J. L.

Saleh, B. E. A.

K. Lu, B. E. A. Saleh, “Theory and design of the liquid crystal TV as an optical spatial phase modulator,” Opt. Eng. 29, 240–246 (1990).
[CrossRef]

Soutar, C.

A. Stoianov, C. Soutar, A. Graham, “High-speed fingerprint verification using an optical correlator,” in Optical Pattern Recognition IX, D. P. Casasent, T. Chao, eds., Proc. SPIE3386, 242–252 (1998).
[CrossRef]

C. Soutar, S. E. Monroe, “Selection of operating curves of twisted-nematic liquid-crystal televisions,” in Advances in Optical Information Processing VI, D. R. Pape, ed., Proc. SPIE2240, 280–291 (1994).
[CrossRef]

Stoianov, A.

A. Stoianov, C. Soutar, A. Graham, “High-speed fingerprint verification using an optical correlator,” in Optical Pattern Recognition IX, D. P. Casasent, T. Chao, eds., Proc. SPIE3386, 242–252 (1998).
[CrossRef]

Tsai, P.

Vallmitjana, S.

E. Martín-Badosa, A. Carnicer, I. Juvells, S. Vallmitjana, “Liquid crystal devices complex modulation characterization by interferometric data correlation,” Meas. Sci. Technol. 8, 764–772 (1997).
[CrossRef]

Yamauchi, M.

M. Yamauchi, T. Eiju, “Phase modulation capability of thin twisted nematic liquid crystal panels at double-pass configurations,” Opt. Rev. 2, 24–27 (1995).
[CrossRef]

Appl. Opt. (4)

Meas. Sci. Technol. (1)

E. Martín-Badosa, A. Carnicer, I. Juvells, S. Vallmitjana, “Liquid crystal devices complex modulation characterization by interferometric data correlation,” Meas. Sci. Technol. 8, 764–772 (1997).
[CrossRef]

Opt. Commun. (1)

T. L. Kelly, J. Munch, “Wavelength dependence of twisted nematic liquid crystal phase modulators,” Opt. Commun. 156, 252–258 (1998).
[CrossRef]

Opt. Eng. (1)

K. Lu, B. E. A. Saleh, “Theory and design of the liquid crystal TV as an optical spatial phase modulator,” Opt. Eng. 29, 240–246 (1990).
[CrossRef]

Opt. Lett. (1)

Opt. Rev. (1)

M. Yamauchi, T. Eiju, “Phase modulation capability of thin twisted nematic liquid crystal panels at double-pass configurations,” Opt. Rev. 2, 24–27 (1995).
[CrossRef]

Other (2)

C. Soutar, S. E. Monroe, “Selection of operating curves of twisted-nematic liquid-crystal televisions,” in Advances in Optical Information Processing VI, D. R. Pape, ed., Proc. SPIE2240, 280–291 (1994).
[CrossRef]

A. Stoianov, C. Soutar, A. Graham, “High-speed fingerprint verification using an optical correlator,” in Optical Pattern Recognition IX, D. P. Casasent, T. Chao, eds., Proc. SPIE3386, 242–252 (1998).
[CrossRef]

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Figures (4)

Fig. 1
Fig. 1

HC operating curve. Re, real; Im, imaginary.

Fig. 2
Fig. 2

Phase-mostly operating curve.

Fig. 3
Fig. 3

LCD [0–π] phase-only modulation operating curve.

Fig. 4
Fig. 4

Correlation between the scene and the smallest satellite.

Equations (4)

Equations on this page are rendered with MathJax. Learn more.

Hπ-POFu, v=exp-i|ϕu, v|=cosϕu, v-i|sinϕu, v|,
|sinx|=2π-4π13cos2x+115cos4x+135cos6x+,
exp-i|ϕu, v|=cosϕu, v-2iπ+4i3π×cos2ϕu, v+.
exp-i|ϕu, v+2πau|=cosϕu, v+2πau-2iπ+4i3π×cos2ϕu, v+2π2au+.

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