Abstract

Results are reported of experimental investigations on the diffraction efficiency and its polarization dependence of holographic phase polarization gratings in a photoanisotropic medium methyl orange/PVA with intrinsic birefringence. A comparative study of layers with different intrinsic birefringence was conducted. The conditions—initial birefringence and a type of polarization recording—were found to have high diffraction efficiency (>30%) and strong dependence on the direction of polarization of the linearly polarized readout beam. The results are in agreement with the theoretical considerations on such gratings.

© 1984 Optical Society of America

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References

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  1. S. D. Kakichashvili, “Polarization Recording of Holograms,” Opt. Spektrosk. 33, 324 (1972); Opt. Spectrosc. 33, 171 (1972).
  2. L. Nikolova, T. Todorov, “Diffraction Efficiency and Selectivity of Polarization Holographic Recording,” Opt. Acta 31, 579 (1984).
    [CrossRef]
  3. T. Todorov, L. Nikolova, N. Tomova, “Polarization Holography. 1: A New High-Efficiency Organic Material with Reversible Photoinduced Birefringence,” Appl. Opt. 23, 4309 (1984).
    [CrossRef] [PubMed]
  4. L. Nikolova, T. Todorov, “Volume Amplitude Holograms in Photodichroic Materials,” Opt. Acta 24, 1179 (1977).
    [CrossRef]
  5. M. Attia, J. M. C. Jonathan, “Anisotropic Gratings Recorded from Two Circularly Polarized Coherent Waves,” Opt. Commun. 47, 85 (1983).
    [CrossRef]

1984 (2)

1983 (1)

M. Attia, J. M. C. Jonathan, “Anisotropic Gratings Recorded from Two Circularly Polarized Coherent Waves,” Opt. Commun. 47, 85 (1983).
[CrossRef]

1977 (1)

L. Nikolova, T. Todorov, “Volume Amplitude Holograms in Photodichroic Materials,” Opt. Acta 24, 1179 (1977).
[CrossRef]

1972 (1)

S. D. Kakichashvili, “Polarization Recording of Holograms,” Opt. Spektrosk. 33, 324 (1972); Opt. Spectrosc. 33, 171 (1972).

Attia, M.

M. Attia, J. M. C. Jonathan, “Anisotropic Gratings Recorded from Two Circularly Polarized Coherent Waves,” Opt. Commun. 47, 85 (1983).
[CrossRef]

Jonathan, J. M. C.

M. Attia, J. M. C. Jonathan, “Anisotropic Gratings Recorded from Two Circularly Polarized Coherent Waves,” Opt. Commun. 47, 85 (1983).
[CrossRef]

Kakichashvili, S. D.

S. D. Kakichashvili, “Polarization Recording of Holograms,” Opt. Spektrosk. 33, 324 (1972); Opt. Spectrosc. 33, 171 (1972).

Nikolova, L.

L. Nikolova, T. Todorov, “Diffraction Efficiency and Selectivity of Polarization Holographic Recording,” Opt. Acta 31, 579 (1984).
[CrossRef]

T. Todorov, L. Nikolova, N. Tomova, “Polarization Holography. 1: A New High-Efficiency Organic Material with Reversible Photoinduced Birefringence,” Appl. Opt. 23, 4309 (1984).
[CrossRef] [PubMed]

L. Nikolova, T. Todorov, “Volume Amplitude Holograms in Photodichroic Materials,” Opt. Acta 24, 1179 (1977).
[CrossRef]

Todorov, T.

L. Nikolova, T. Todorov, “Diffraction Efficiency and Selectivity of Polarization Holographic Recording,” Opt. Acta 31, 579 (1984).
[CrossRef]

T. Todorov, L. Nikolova, N. Tomova, “Polarization Holography. 1: A New High-Efficiency Organic Material with Reversible Photoinduced Birefringence,” Appl. Opt. 23, 4309 (1984).
[CrossRef] [PubMed]

L. Nikolova, T. Todorov, “Volume Amplitude Holograms in Photodichroic Materials,” Opt. Acta 24, 1179 (1977).
[CrossRef]

Tomova, N.

Appl. Opt. (1)

Opt. Acta (2)

L. Nikolova, T. Todorov, “Volume Amplitude Holograms in Photodichroic Materials,” Opt. Acta 24, 1179 (1977).
[CrossRef]

L. Nikolova, T. Todorov, “Diffraction Efficiency and Selectivity of Polarization Holographic Recording,” Opt. Acta 31, 579 (1984).
[CrossRef]

Opt. Commun. (1)

M. Attia, J. M. C. Jonathan, “Anisotropic Gratings Recorded from Two Circularly Polarized Coherent Waves,” Opt. Commun. 47, 85 (1983).
[CrossRef]

Opt. Spektrosk. (1)

S. D. Kakichashvili, “Polarization Recording of Holograms,” Opt. Spektrosk. 33, 324 (1972); Opt. Spectrosc. 33, 171 (1972).

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Figures (7)

Fig. 1
Fig. 1

Holographic setup: 1, Ar+ laser; 2, beam splitter; 3, mirror; 4,5, polarization rotators; 6, λ/4 plates; 7, recording medium; 8, He–Ne laser; 9, polarization rotator; 10, λ/4 plate; 11, photosensor.

Fig. 2
Fig. 2

Polarization interference pattern in recording when (a) the two recording waves have orthogonal linear polarizations; (b) the two recording waves have orthogonal circular polarizations. 2δ is the phase difference between the recording waves on the front surface of the sample.

Fig. 3
Fig. 3

Curve a, dependence of the diffraction efficiency on the angle a between the fast axis of the λ/4 plate (10 in Fig. 1) and the polarization direction of the readout beam after the polarization rotator (9 in Fig. 1); curve b, dependence of η on the polarization direction of the readout beam after the polarization rotator (9 in Fig. 1) at shifted λ/4 plate. ψ is the angle between the polarization direction of readout beam R′ and the polarization direction of reference beam R in recording.

Fig. 4
Fig. 4

Change of the polarization interference pattern in depth δ of the sample: (a) R and S are polarized at angles ±45° to the principal dielectric axes; (b) R and S are polarized along the principal dielectric axes.

Fig. 5
Fig. 5

Dependence of on the polarization direction of the reconstructing wave in a sample with intrinsic birefringence (ψ is as in Fig. 3): curve 1, Δφ = 30°; curve 2, Δφ = 60°; curve 3, Δφ = 140°.

Fig. 6
Fig. 6

Dependence of m = ηmin/ηmax on the total phase difference Δφ in recording with polarization modulation, as shown in Fig. 4(a).

Fig. 7
Fig. 7

Dependence of m = ηmin/ηmax on the total phase difference Δφ in recording with polarization modulation, as shown in Fig. 4(b).

Tables (1)

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Table I Values of ηmax and m = ηmin/ηmax for Different Types of Recording

Equations (1)

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η = η 0 [ cos 2 ψ + sin 2 ψ ( sin Δ φ Δ φ ) 2 ] ,

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