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  Comparison of the birefringence in an azobenzene-side-chain copolymer induced by pulsed and continuous-wave irradiation

Cimrova, V., Neher, D., Hildebrandt, R., Hegelich, M., von der Lieth, A., Marowsky, G., et al. (2002). Comparison of the birefringence in an azobenzene-side-chain copolymer induced by pulsed and continuous-wave irradiation. Applied Physics Letters, 81(7), 1228-1230. doi:10.1063/1.1499766.

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Cimrova, V.1, Author              
Neher, Dieter1, Author              
Hildebrandt, R., Author
Hegelich, M., Author
von der Lieth, A., Author
Marowsky, G., Author
Hagen, R., Author
Kostromine, S., Author
Bieringer, T., Author
Affiliations:
1MPI for Polymer Research, Max Planck Society, ou_1309545              

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 Abstract: A comparative study of photoinduced birefringence in azobenzene-side-chain copolymers under continuous-wave (cw) and pulsed irradiation is presented. Absolute refractive index changes were determined by the attenuated total reflection spectroscopy. We clearly demonstrated that pulsed, similarly to cw, irradiation induces a three-dimensional reorientation of azobenzene chromophores. For the same light dose, pulsed irradiation using ns pulses of appropriate pulse energy led to higher values of birefringence, which can be attributed to a cooperative motion of azobenzene side chains and thermal effects induced by the laser pulses. (C) 2002 American Institute of Physics.

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Language(s): eng - English
 Dates: 2002-08-12
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: No review
 Identifiers: eDoc: 28659
ISI: 000177284400025
DOI: 10.1063/1.1499766
 Degree: -

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Title: Applied Physics Letters
  Abbreviation : Appl. Phys. Lett.
Source Genre: Journal
 Creator(s):
Affiliations:
Publ. Info: Melville, NY : American Institute of Physics
Pages: - Volume / Issue: 81 (7) Sequence Number: - Start / End Page: 1228 - 1230 Identifier: ISSN: 0003-6951
CoNE: https://pure.mpg.de/cone/journals/resource/954922836223