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Proceedings Paper

All optical switching in a photochromic dye-doped biopolymeric matrix
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Paper Abstract

All optical switching has been studied using the Optical Kerr Effect (OKE) configuration in a biopolymer matrix containing a photochromic molecule. The biopolymer system consisted of a deoxyribonucleic acid blended with cationic surfactant molecule cetyltrimethyl-ammonium chloride suitable for optical quality thin film fabrication. The excitation beams inducing birefringence were delivered from a continuous wave laser at 473 and chopped using a variable frequency chopper. Additionally auxiliary nanosecond pulses coming from Nd:YAG laser were used. The birefringence was instantaneously monitored by a weak non-absorbed light from a cw He-Ne laser working at 632.8 nm under crossed polarizer system. Excellent switching times in the range of microseconds and full reversibility of the studied processes have been observed.ïýïýïý

Paper Details

Date Published: 16 September 2011
PDF: 6 pages
Proc. SPIE 8103, Nanobiosystems: Processing, Characterization, and Applications IV, 81030O (16 September 2011); doi: 10.1117/12.893540
Show Author Affiliations
Jaroslaw Mysliwiec, Wroclaw Univ. of Technology (Poland)
Anna Malak, Wroclaw Univ. of Technology (Poland)
Joanna Sikora, Wroclaw Univ. of Technology (Poland)
Andrzej Miniewicz, Wroclaw Univ. of Technology (Poland)
Bouchta Sahraoui, Univ. d'Angers (France)
Ileana Rau, Polytechnical Univ. of Bucharest (Romania)
François Kajzar, Univ. d'Angers (France)
Polytechnical Univ. of Bucharest (Romania)


Published in SPIE Proceedings Vol. 8103:
Nanobiosystems: Processing, Characterization, and Applications IV
Norihisa Kobayashi; Fahima Ouchen; Ileana Rau, Editor(s)

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