Abstract

Photoinduced dichroism in various polymers containing the same azo dye has been studied. “Angular hole burning” and molecular reorientation have been identified by analysis of dichroism dynamics at various probe wavelengths. The glass-transition temperature <i>T</i><sub>g</sub> is of major relevance for the reorientation of optically active molecules. For low <i>T</i><sub>g</sub> (below ambient temperature) thermal diffusion impedes anisotropy buildup. For higher <i>T</i><sub>g</sub> the angular distribution induced by the polarized pump beam is frozen. We propose a simple model based on diffusion rates in <i>trans</i> and <i>cis</i> molecules.

© 1999 Optical Society of America

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  1. P. S. Ramanujam, N. C. R. Holme, L. Nikolova, R. H. Berg, S. Hvilsted, E. T. Kristensen, C. Kulinna, A. B. Nielsen, and M. Pedersen, Proc. SPIE 3011, 319 (1997).
  2. P.-A. Blanche, Ph. C. Lemaire, C. Maertens, P. Dubois, and R. Jérôme, Polym. Eng. Sci. 38, 3 (1998).
  3. P.-A. Blanche, Ph. C. Lemaire, C. Maertens, P. Dubois, and R. Jérôme, Proc. SPIE 3417, 131 (1998).
  4. F. Weigert, Verh. Dtsch. Phys. Ges. 21, 19 615 (1919).
  5. P.-A. Blanche, Ph. C. Lemaire, C. Maertens, P. Dubois, and R. Jérôme, Opt. Commun. 139, 92 (1997).
  6. M. Dumont, NATO ASI Ser. 3 9, 501 (1996).
  7. Z. Sekkat and M. Dumont, Mol. Cryst. Liq. Cryst. Sect. B 2, 359 (1992).
  8. C. Maertens, P. Dubois, R. Jérôme, P.-A. Blanche, and Ph. C. Lemaire, “Dynamics of the photoinduced orientation and relaxation of new polymethacrylates containing carbazolyl and azobenzene pendant groups,” Polym. Int. (to be published).
  9. A. E. Osman and M. Dumont, Proc. SPIE 3417, 36 (1998).
  10. M. Dumont, S. Hosotte, G. Froc, and Z. Sekkat, Proc. SPIE 2042, 2 (1993).
  11. M. Dumont and A. E. Osman, “On spontaneous and photoinduced orientational mobility of dye molecules in polymers,” Chem. Phys. (to be published).

1998

P.-A. Blanche, Ph. C. Lemaire, C. Maertens, P. Dubois, and R. Jérôme, Polym. Eng. Sci. 38, 3 (1998).

P.-A. Blanche, Ph. C. Lemaire, C. Maertens, P. Dubois, and R. Jérôme, Proc. SPIE 3417, 131 (1998).

A. E. Osman and M. Dumont, Proc. SPIE 3417, 36 (1998).

1997

P. S. Ramanujam, N. C. R. Holme, L. Nikolova, R. H. Berg, S. Hvilsted, E. T. Kristensen, C. Kulinna, A. B. Nielsen, and M. Pedersen, Proc. SPIE 3011, 319 (1997).

P.-A. Blanche, Ph. C. Lemaire, C. Maertens, P. Dubois, and R. Jérôme, Opt. Commun. 139, 92 (1997).

1996

M. Dumont, NATO ASI Ser. 3 9, 501 (1996).

1993

M. Dumont, S. Hosotte, G. Froc, and Z. Sekkat, Proc. SPIE 2042, 2 (1993).

1992

Z. Sekkat and M. Dumont, Mol. Cryst. Liq. Cryst. Sect. B 2, 359 (1992).

Berg, R. H.

P. S. Ramanujam, N. C. R. Holme, L. Nikolova, R. H. Berg, S. Hvilsted, E. T. Kristensen, C. Kulinna, A. B. Nielsen, and M. Pedersen, Proc. SPIE 3011, 319 (1997).

Blanche, P.-A.

P.-A. Blanche, Ph. C. Lemaire, C. Maertens, P. Dubois, and R. Jérôme, Polym. Eng. Sci. 38, 3 (1998).

P.-A. Blanche, Ph. C. Lemaire, C. Maertens, P. Dubois, and R. Jérôme, Proc. SPIE 3417, 131 (1998).

P.-A. Blanche, Ph. C. Lemaire, C. Maertens, P. Dubois, and R. Jérôme, Opt. Commun. 139, 92 (1997).

C. Maertens, P. Dubois, R. Jérôme, P.-A. Blanche, and Ph. C. Lemaire, “Dynamics of the photoinduced orientation and relaxation of new polymethacrylates containing carbazolyl and azobenzene pendant groups,” Polym. Int. (to be published).

Dubois, P.

P.-A. Blanche, Ph. C. Lemaire, C. Maertens, P. Dubois, and R. Jérôme, Proc. SPIE 3417, 131 (1998).

P.-A. Blanche, Ph. C. Lemaire, C. Maertens, P. Dubois, and R. Jérôme, Polym. Eng. Sci. 38, 3 (1998).

P.-A. Blanche, Ph. C. Lemaire, C. Maertens, P. Dubois, and R. Jérôme, Opt. Commun. 139, 92 (1997).

C. Maertens, P. Dubois, R. Jérôme, P.-A. Blanche, and Ph. C. Lemaire, “Dynamics of the photoinduced orientation and relaxation of new polymethacrylates containing carbazolyl and azobenzene pendant groups,” Polym. Int. (to be published).

Dumont, M.

A. E. Osman and M. Dumont, Proc. SPIE 3417, 36 (1998).

M. Dumont, NATO ASI Ser. 3 9, 501 (1996).

M. Dumont, S. Hosotte, G. Froc, and Z. Sekkat, Proc. SPIE 2042, 2 (1993).

Z. Sekkat and M. Dumont, Mol. Cryst. Liq. Cryst. Sect. B 2, 359 (1992).

M. Dumont and A. E. Osman, “On spontaneous and photoinduced orientational mobility of dye molecules in polymers,” Chem. Phys. (to be published).

Froc, G.

M. Dumont, S. Hosotte, G. Froc, and Z. Sekkat, Proc. SPIE 2042, 2 (1993).

Holme, N. C. R.

P. S. Ramanujam, N. C. R. Holme, L. Nikolova, R. H. Berg, S. Hvilsted, E. T. Kristensen, C. Kulinna, A. B. Nielsen, and M. Pedersen, Proc. SPIE 3011, 319 (1997).

Hosotte, S.

M. Dumont, S. Hosotte, G. Froc, and Z. Sekkat, Proc. SPIE 2042, 2 (1993).

Hvilsted, S.

P. S. Ramanujam, N. C. R. Holme, L. Nikolova, R. H. Berg, S. Hvilsted, E. T. Kristensen, C. Kulinna, A. B. Nielsen, and M. Pedersen, Proc. SPIE 3011, 319 (1997).

Jérôme, R.

P.-A. Blanche, Ph. C. Lemaire, C. Maertens, P. Dubois, and R. Jérôme, Polym. Eng. Sci. 38, 3 (1998).

P.-A. Blanche, Ph. C. Lemaire, C. Maertens, P. Dubois, and R. Jérôme, Proc. SPIE 3417, 131 (1998).

P.-A. Blanche, Ph. C. Lemaire, C. Maertens, P. Dubois, and R. Jérôme, Opt. Commun. 139, 92 (1997).

C. Maertens, P. Dubois, R. Jérôme, P.-A. Blanche, and Ph. C. Lemaire, “Dynamics of the photoinduced orientation and relaxation of new polymethacrylates containing carbazolyl and azobenzene pendant groups,” Polym. Int. (to be published).

Kristensen, E. T.

P. S. Ramanujam, N. C. R. Holme, L. Nikolova, R. H. Berg, S. Hvilsted, E. T. Kristensen, C. Kulinna, A. B. Nielsen, and M. Pedersen, Proc. SPIE 3011, 319 (1997).

Kulinna, C.

P. S. Ramanujam, N. C. R. Holme, L. Nikolova, R. H. Berg, S. Hvilsted, E. T. Kristensen, C. Kulinna, A. B. Nielsen, and M. Pedersen, Proc. SPIE 3011, 319 (1997).

Lemaire, Ph. C.

P.-A. Blanche, Ph. C. Lemaire, C. Maertens, P. Dubois, and R. Jérôme, Proc. SPIE 3417, 131 (1998).

P.-A. Blanche, Ph. C. Lemaire, C. Maertens, P. Dubois, and R. Jérôme, Polym. Eng. Sci. 38, 3 (1998).

P.-A. Blanche, Ph. C. Lemaire, C. Maertens, P. Dubois, and R. Jérôme, Opt. Commun. 139, 92 (1997).

C. Maertens, P. Dubois, R. Jérôme, P.-A. Blanche, and Ph. C. Lemaire, “Dynamics of the photoinduced orientation and relaxation of new polymethacrylates containing carbazolyl and azobenzene pendant groups,” Polym. Int. (to be published).

Maertens, C.

P.-A. Blanche, Ph. C. Lemaire, C. Maertens, P. Dubois, and R. Jérôme, Polym. Eng. Sci. 38, 3 (1998).

P.-A. Blanche, Ph. C. Lemaire, C. Maertens, P. Dubois, and R. Jérôme, Proc. SPIE 3417, 131 (1998).

P.-A. Blanche, Ph. C. Lemaire, C. Maertens, P. Dubois, and R. Jérôme, Opt. Commun. 139, 92 (1997).

C. Maertens, P. Dubois, R. Jérôme, P.-A. Blanche, and Ph. C. Lemaire, “Dynamics of the photoinduced orientation and relaxation of new polymethacrylates containing carbazolyl and azobenzene pendant groups,” Polym. Int. (to be published).

Nielsen, A. B.

P. S. Ramanujam, N. C. R. Holme, L. Nikolova, R. H. Berg, S. Hvilsted, E. T. Kristensen, C. Kulinna, A. B. Nielsen, and M. Pedersen, Proc. SPIE 3011, 319 (1997).

Nikolova, L.

P. S. Ramanujam, N. C. R. Holme, L. Nikolova, R. H. Berg, S. Hvilsted, E. T. Kristensen, C. Kulinna, A. B. Nielsen, and M. Pedersen, Proc. SPIE 3011, 319 (1997).

Osman, A. E.

A. E. Osman and M. Dumont, Proc. SPIE 3417, 36 (1998).

M. Dumont and A. E. Osman, “On spontaneous and photoinduced orientational mobility of dye molecules in polymers,” Chem. Phys. (to be published).

Pedersen, M.

P. S. Ramanujam, N. C. R. Holme, L. Nikolova, R. H. Berg, S. Hvilsted, E. T. Kristensen, C. Kulinna, A. B. Nielsen, and M. Pedersen, Proc. SPIE 3011, 319 (1997).

Ramanujam, P. S.

P. S. Ramanujam, N. C. R. Holme, L. Nikolova, R. H. Berg, S. Hvilsted, E. T. Kristensen, C. Kulinna, A. B. Nielsen, and M. Pedersen, Proc. SPIE 3011, 319 (1997).

Sekkat, Z.

M. Dumont, S. Hosotte, G. Froc, and Z. Sekkat, Proc. SPIE 2042, 2 (1993).

Z. Sekkat and M. Dumont, Mol. Cryst. Liq. Cryst. Sect. B 2, 359 (1992).

Weigert, F.

F. Weigert, Verh. Dtsch. Phys. Ges. 21, 19 615 (1919).

Chem. Phys.

M. Dumont and A. E. Osman, “On spontaneous and photoinduced orientational mobility of dye molecules in polymers,” Chem. Phys. (to be published).

Mol. Cryst. Liq. Cryst. Sect. B

Z. Sekkat and M. Dumont, Mol. Cryst. Liq. Cryst. Sect. B 2, 359 (1992).

NATO ASI Ser. 3

M. Dumont, NATO ASI Ser. 3 9, 501 (1996).

Opt. Commun.

P.-A. Blanche, Ph. C. Lemaire, C. Maertens, P. Dubois, and R. Jérôme, Opt. Commun. 139, 92 (1997).

Polym. Eng. Sci.

P.-A. Blanche, Ph. C. Lemaire, C. Maertens, P. Dubois, and R. Jérôme, Polym. Eng. Sci. 38, 3 (1998).

Polym. Int.

C. Maertens, P. Dubois, R. Jérôme, P.-A. Blanche, and Ph. C. Lemaire, “Dynamics of the photoinduced orientation and relaxation of new polymethacrylates containing carbazolyl and azobenzene pendant groups,” Polym. Int. (to be published).

Proc. SPIE

A. E. Osman and M. Dumont, Proc. SPIE 3417, 36 (1998).

M. Dumont, S. Hosotte, G. Froc, and Z. Sekkat, Proc. SPIE 2042, 2 (1993).

P.-A. Blanche, Ph. C. Lemaire, C. Maertens, P. Dubois, and R. Jérôme, Proc. SPIE 3417, 131 (1998).

P. S. Ramanujam, N. C. R. Holme, L. Nikolova, R. H. Berg, S. Hvilsted, E. T. Kristensen, C. Kulinna, A. B. Nielsen, and M. Pedersen, Proc. SPIE 3011, 319 (1997).

Verh. Dtsch. Phys. Ges.

F. Weigert, Verh. Dtsch. Phys. Ges. 21, 19 615 (1919).

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