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Proceedings Paper

Characterization of polymeric materials for microholographic data storage
Author(s): L. Criante; K. Beev; D. E. Lucchetta; F. Simoni; S. Frohmann; S. Orlic
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Paper Abstract

Reflection gratings have been recorded and investigated in H-PDLC materials by means of real-time spectroscopy during the polymerization process in view of possible application in optical data storage. High spatial frequency gratings (>6000lines/mm) with diffraction efficiency up to 45% and index modulation over 0.01 were obtained. The effects of the shrinkage of the reflection gratings has been detected showing a displacement of the reflected wavelength from the expected value of about 3.8%. Finally recording of microgratings has been carried out observing some optimal agreement between the microscopic and the macroscopic parameters.

Paper Details

Date Published: 1 September 2005
PDF: 9 pages
Proc. SPIE 5939, Organic Holographic Materials and Applications III, 59390C (1 September 2005); doi: 10.1117/12.614833
Show Author Affiliations
L. Criante, Univ. Politecnica delle Marche (Italy)
K. Beev, Bulgarian Academy of Sciences (Bulgaria)
D. E. Lucchetta, Univ. Politecnica delle Marche (Italy)
F. Simoni, Univ. Politecnica delle Marche (Italy)
S. Frohmann, Technical Univ. Berlin (Germany)
S. Orlic, Technical Univ. Berlin (Germany)

Published in SPIE Proceedings Vol. 5939:
Organic Holographic Materials and Applications III
Klaus Meerholz, Editor(s)

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