Photoinduced anisotropy in a family of amorphous azobenzene polyesters for optical storage

Applied Optics

Volumn 42, Issue 29, 2003, Pages 5918-5927

  Nedelchev, Lian L ^a,b   Matharu, Avtar S ^a,c   Hvilsted, Søren ^b   Ramanujam, P S ^b  

^a Optilink A/S   (Denmark)

^b TECHNICAL UNIVERSITY OF DENMARK   (Denmark)

^c NOTTINGHAM TRENT UNIVERSITY   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

ANISOTROPY; CHROMOPHORES; LIGHTING; POLYESTERS; REFRACTIVE INDEX;

PHOTOINDUCED ANISOTROPY;

OPTICAL DATA STORAGE;

EID: 0142093687     PISSN: 1559128X     EISSN: 21553165     Source Type: Journal    
DOI: 10.1364/AO.42.005918     Document Type: Article

References (18)

1. T. Todorov, L. Nikolova, and N. Tomova, “Polarization holography 1.: A new high efficiency organic material with revers ible photoinduced birefringence,” Appl. Opt. 23, 4309-4312 (1984).
2. M. Eich, and J. H. Wendorff, “Erasable holograms in polymeric liquid crystals,” Makromol. Chem. Rapid Commun. 8,467-471 (1987).
3. S. Hvilsted, F. Andruzzi, C. Kulinna, H. W. Siesler, and P. S. Ramanujam, “Novel side-chain liquid crystalline polyester architecture for reversible optical storage,” Macromolecules 28, 2172-2183 (1995).
4. L. Nedelchev, L. Nikolova, A. Matharu, and P. S. Ramanujam, “Photoinduced macroscopic chiral structures in a series of azobenzene copolyesters,” Appl. Phys. B 75, 671-676 (2002).
5. A. Hassner, L. Krepski, and V. Alexanian, “Aminopyridines as acylation catalysts for tertiary alcohols,” Tetrahedron 34, 2069-2076 (1978).
6. A. Kerekes, E. Lorincz, P. S. Ramanujam, and S. Hvilsted, “Light scattering of thin azobenzene side-chain polyester layers,” Opt. Commun. 206, 57-65 (2002).
7. P. Rochon, E. Batalla, and A. Natansohn, “Optically induced surface gratings on azoaromatic polymer films,” Appl. Phys. Lett. 66, 136-138 (1995).
8. D. Y. Kim, S. K. Tripathy, L. Li, and J. Kumar, “Laser-induced holographic surface relief gratings on nonlinear optical polymer films,” Appl. Phys. Lett. 66, 1166-1168 (1995).
9. P. S. Ramanujam, N. C. R. Holme, and S. Hvilsted, “Atomic force and optical near-field microscopic investigations of polarization holographic gratings in a liquid crystalline azobenzene side-chain polyester,” Appl. Phys. Lett. 68, 1329-1331 (1996).
10. H. Ono, N. Kowatari, and N. Kawatsuki, “Holographic grating generation in thick polymer films containing azo dye molecules,” Opt. Mater. 17, 387-394 (2001).
11. W. Joo, C. Oh, and Y. Han, “Influence of the backbone on photoinduced birefringence in a poly(malonic ester) containing p-cyanoazobenzene,” J. Phys. Chem. B 106, 5378-5381 (2002).
12. M. Hasegawa, T. Ikawa, M. Tsuchimori, and O. Watanabe, “Photochemically induced birefringence in polyurethanes containing donor-acceptor azobenzenes as photoresponsive moieties,” J. Appl. Polym. Sci. 86, 17-22 (2002).
13. M. S. Ho, A. Natansohn, and P. Rochon, “Azo polymers for reversible optical storage: 7. The effect of the size of the photochromic groups,” Macromolecules 28, 6124-6127 (1995).
14. N. C. R. Holme, P. S. Ramanujam, and S. Hvilsted, “Photoinduced anisotropy measurements in liquid-crystalline azobenzene side-chain polyesters,” Appl. Opt. 35, 4622-4627 (1996).
15. N. C. R. Holme, P. S. Ramanujam, and S. Hvilsted Linkam TMS’93 Reference Manual (Linkam Scientific Instruments Ltd., No. 8 Epsom Donors Metro Centre, Waterfield, Tadworth, Surrey 5T20 5HT, UK), p. 6.
16. R. H. Romer, Energy: An Introduction to Physics (W. H. Freeman, San Francisco, Calif., 1976) pp. 520, 578-579 (1976).
17. J. Darnell and M. Jefferson, eds., New Renewable Resources: A Guide to the Future;…(World Energy Council, Kogan Page Ltd., London, 1994), p. 65.
18. E. Lorincz, G. Szarvas, P. Koppa, F. Ujhelyi, G. Erdei, A. Suto, P. Varhegyi, Sz. Sajti, A. Kerekes, T. Ujvari, and P. S. Ra-manujam, “Polarization holographic data storage using azobenzene polyester as storage material,” in Organic Photonic Materials and Dences V, J. G. Grote and T. Kaino, eds., Proc. SPIE 4991 (to be published)