Holographic grating inscription in DR1: DNA-CTMA thin films: the puzzle of time scales

Author:

Pawlik Grzegorz1,Radosz Wojciech1,Mitus Antoni,Mysliwiec Jaroslaw,Miniewicz Andrzej2,Kajzar Francois,Rau Ileana3

Affiliation:

1. 1Wroclaw University of Technology

2. 2Wroclaw University of Technology

3. 3University POLITEHNICA Bucharest

Abstract

AbstractWe study experimentally the dynamics of holographic inscription of gratings in DR1:DNA-CTMA thin films using a degenerate two-wave mixing (DTWM) setup in its initial phase (30 ms) and in a longer time interval (30 s). The temporal pattern of evolution of diffraction efficiency is complex, simple fitting procedures fail to reproduce the data. We point out that the complex dynamics can originate a large span of temporal scales, closely related to the microscale inhomogeneity of local free volume. Some of its hallmarks are found through Monte Carlo simulations.

Publisher

Walter de Gruyter GmbH

Subject

Materials Chemistry,General Chemistry

Reference23 articles.

1. J. Grote, SPIE Newsroom (2008), DOI: 10.1117/2.1200805.1082

2. A. Steckl, Nature Photonics 1, 3 (2007)

3. A. Miniewicz, A. Kochalska, J. Mysliwiec, A. Samoc, M. Samoc, J.G. Grote, Appl. Phys. Lett. 91, 04118 (2007)

4. G. Zhang, H. Takahashi, L. Wang, J. Yoshida, S. Kobayashi, S. Horinouchi, N. Ogata, Proc. SPIE 4905, 375 (2002)

5. M. Samoc, A. Samoc, A. Miniewicz, P.P. Markiowicz, P.N. Prasad, J.G. Grote, Proc. SPIE 6646, 66460A (2007)

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