Abstract

We report erasable holographic recording with a resolution of at least 2500 lines/mm on unoriented films of side-chain liquid-crystalline polyesters. Recording energies of approximately 1 J/cm2 have been used. We have obtained a diffraction efficiency of approximately 30% with polarization recording of holograms. The holograms can be erased by heating them to approximately 80°C for approximately 2 min and are available for rerecording.

© 1992 Optical Society of America

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References

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  1. M. Eich, J. H. Wendorff, J. Opt. Soc. Am. B 7, 1428 (1990).
    [CrossRef]
  2. W. M. Gibbons, P. J. Shannon, S.-T. Sun, B. J. Swetlin, Nature 351, 49 (1991).
    [CrossRef]
  3. A. G. Chen, D. J. Brady, Opt. Lett. 17, 441 (1992).
    [CrossRef] [PubMed]
  4. S. Hvilsted, F. Andruzzi, P. Cerrai, M. Tricoli, Polymer 32, 127 (1991).
    [CrossRef]
  5. F. Andruzzi, S. Hvilsted, Polymer 32, 2294 (1991).
    [CrossRef]
  6. J. H. Wendorff, M. Eich, Mol. Cryst. Liquid Cryst. 169, 133 (1989).
    [CrossRef]
  7. T. Todorov, L. Nikilova, N. Tomova, Appl. Opt. 23, 4588 (1984).
    [CrossRef] [PubMed]

1992 (1)

1991 (3)

S. Hvilsted, F. Andruzzi, P. Cerrai, M. Tricoli, Polymer 32, 127 (1991).
[CrossRef]

F. Andruzzi, S. Hvilsted, Polymer 32, 2294 (1991).
[CrossRef]

W. M. Gibbons, P. J. Shannon, S.-T. Sun, B. J. Swetlin, Nature 351, 49 (1991).
[CrossRef]

1990 (1)

1989 (1)

J. H. Wendorff, M. Eich, Mol. Cryst. Liquid Cryst. 169, 133 (1989).
[CrossRef]

1984 (1)

Andruzzi, F.

F. Andruzzi, S. Hvilsted, Polymer 32, 2294 (1991).
[CrossRef]

S. Hvilsted, F. Andruzzi, P. Cerrai, M. Tricoli, Polymer 32, 127 (1991).
[CrossRef]

Brady, D. J.

Cerrai, P.

S. Hvilsted, F. Andruzzi, P. Cerrai, M. Tricoli, Polymer 32, 127 (1991).
[CrossRef]

Chen, A. G.

Eich, M.

M. Eich, J. H. Wendorff, J. Opt. Soc. Am. B 7, 1428 (1990).
[CrossRef]

J. H. Wendorff, M. Eich, Mol. Cryst. Liquid Cryst. 169, 133 (1989).
[CrossRef]

Gibbons, W. M.

W. M. Gibbons, P. J. Shannon, S.-T. Sun, B. J. Swetlin, Nature 351, 49 (1991).
[CrossRef]

Hvilsted, S.

S. Hvilsted, F. Andruzzi, P. Cerrai, M. Tricoli, Polymer 32, 127 (1991).
[CrossRef]

F. Andruzzi, S. Hvilsted, Polymer 32, 2294 (1991).
[CrossRef]

Nikilova, L.

Shannon, P. J.

W. M. Gibbons, P. J. Shannon, S.-T. Sun, B. J. Swetlin, Nature 351, 49 (1991).
[CrossRef]

Sun, S.-T.

W. M. Gibbons, P. J. Shannon, S.-T. Sun, B. J. Swetlin, Nature 351, 49 (1991).
[CrossRef]

Swetlin, B. J.

W. M. Gibbons, P. J. Shannon, S.-T. Sun, B. J. Swetlin, Nature 351, 49 (1991).
[CrossRef]

Todorov, T.

Tomova, N.

Tricoli, M.

S. Hvilsted, F. Andruzzi, P. Cerrai, M. Tricoli, Polymer 32, 127 (1991).
[CrossRef]

Wendorff, J. H.

M. Eich, J. H. Wendorff, J. Opt. Soc. Am. B 7, 1428 (1990).
[CrossRef]

J. H. Wendorff, M. Eich, Mol. Cryst. Liquid Cryst. 169, 133 (1989).
[CrossRef]

Appl. Opt. (1)

J. Opt. Soc. Am. B (1)

Mol. Cryst. Liquid Cryst. (1)

J. H. Wendorff, M. Eich, Mol. Cryst. Liquid Cryst. 169, 133 (1989).
[CrossRef]

Nature (1)

W. M. Gibbons, P. J. Shannon, S.-T. Sun, B. J. Swetlin, Nature 351, 49 (1991).
[CrossRef]

Opt. Lett. (1)

Polymer (2)

S. Hvilsted, F. Andruzzi, P. Cerrai, M. Tricoli, Polymer 32, 127 (1991).
[CrossRef]

F. Andruzzi, S. Hvilsted, Polymer 32, 2294 (1991).
[CrossRef]

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Figures (2)

Fig. 1
Fig. 1

Absorption spectrum of the side-chain liquid-crystalline polyester together with the molecular structure of the repeating unit.

Fig. 2
Fig. 2

Grating structure recorded in the side-chain liquid-crystalline polyester as viewed through crossed polarizers in a polarizing microscope. The distance between the fringes is approximately 1.5 μm, corresponding to approximately 335 line pairs/mm. The energy required to record the grating is approximately 1 J/cm2.

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