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5. CHiRAL POLYMERS WiTH PHOTOAFFECTED PHASE BEHAVIOR FOR OPTICAL DATA STORAGE J 73

This work was supported by the Volkswagen Foundation (Project I 47 741), Deutsche
Forschungsgemeinschaft (Project Re 923/8-1), and Russian Funds for Basic Research (Grant
No, 01-02-16287). We are grateful to K. Yoshino and M. Ozaki (Department of Electronic
Engineering, Osaka University, Japan), V. Lazarev (Institute of Crystallography, Russian
Academy of Sciences, Moscow, Russia), and G. Gipparrone, N. Scaramuzza, and M, de Santo
(Dipattimento di Fisica, Universita della Calabria, Rende (Cs), Italy) for their participation in our
experiments.

1. McArdle, C. B. Ed. Applied Photochromic Polymer Systems. New York: Blackie & Son,
Ltd. (1992).
2. Shibaev, V. P. Ed. Polymers as Electro-optical and Photo-optical Media. Berlin: Springer
Verlag (1996).
3. Blinov, L. M. Photoinduced molecular reorientation in polymers, Langmuir-Blodgett films
and liquid crystals./. Nonlin. Opt. Phys. Mater. 5, 165 (1996).
4. Todorov, T., Nikolova, L., and Tomova, N. Polarization holography. 1: A new high-efficien-
cy organic material with reversible photoinduced birefringence. Appl. Opt. 23, 4309 (1984).
5. Ivanov, M., Todorov, T., Nikolova, L., Tomova, N., and Dragostinova, V. Photoinduced
changes in the refractive index of azo-dye/polyme systems. Appl. Phys. Lett. 66, 2174
(1995).
6. Havinga, E. E., and van Pelt, P. Electrochromism of substituted polyalkenes in polymer
matrixes; influence of chain length on charge transfer. Ber. Bunsenges. Phys. Chem. 83, 816
(1979).
7. Blinov, L. M., Barnik, M. L, Weyrauch, T., Palto, S. A., Tevosov, A. A., and Haase, W.
Photoassisted poling of polymer materials studied by stark spectroscopy (electroabsorption)
technique. Chem. Phys. Lett. 231, 246 (1994).
8. Barnik, M. L, Blinov, L. M., Weyrauch, T., Palto, S. A., Tevosov, A. A., and Haase, W. Stark
spectroscopy as a tool for the characterization of poled polymers for nonlinear optics. In:
G. A. Lindsay, K. O. Singer, Eds. Polymers for Second-Order Nonlinear Optics, 288 (1995).
9. Natansohn, A., Rochon, P., Gosselin, J., and Xie, S. Azo polymers for reversible optical
storage. 1. Poly[4'-[[2-(acryloyloxy)ethyl]ethylamino]-4-nitroazobenzene]. Macromolecules
25,2268(1992).
10. Ho, M.-S., Natansohn, A., and Rochon, P. Azo polymers for reversible optical storage. 9.
Copolymers containing two types of azobenzene side groups. Macromolecules 29, 44
(1996).
11. Natansohn, A., Rochon, P., Meng, X., Barrett, C., Buffeteau, T., Bonenfant, S., and Pezolet,
M. Molecular addressing? Selective photoinduced cooperative motion of polar ester groups
in copolymers containing azobenzene groups. Macromolecules 31,1155 (1998).
12. Hvilsted, S., Andruzzi, E, Kulinna, C., Siesler, H. W., and Ramanujam, P. S. Novel side-
chain liquid crystalline polyester architecture for reversible optical storage. Macromolecules
28,2172(1995).
13. Rasmussen, P. H., Ramanujam, P. S., Hvilsted, S., and Berg, R. H. A remarkably efficient
azobenzene peptide for holographic information storage. /. Am. Chem. Soc. 121, 4738
(1999).
14. Rasmussen, P. H., Ramanujam, P. S., Hvilsted, S., and Berg, R. H. Accelerated Optical
Holographic Recording Using Bis-DNO. Tetrahedron Lett. 40, 5953 (1999).
15. Si, J., Mitsui, T., Ye, P., Li, Z., Shen, Y., and Hirao, K. Optical storage in an azobenzene-
polyimide film with high glass transition temperature. Opt. Commun. 147, 313 (1998).
16. Fukuda, T., Matsuda, H., Shiraga, T., Kimura, T., Kato, M., Wiswanathan, N. K., Kumar, J.,
and Tripathy, S. K. Photofabrication of surface relief grating on films of azobenzene polymer
with different dye functionalization. Macromolecules 33, 4220 (2000).
17. Ringsdorf, H., Schmidt, H.-W, Baur, G., Kiefer, R., and Windscheid, R Orientationa! order-