Dynamic polarization holography: methods and applications

Barbara Kilosanidze; George Kakauridze; Irakli Chaganava

doi:10.1117/12.821766

19 May 2009 Dynamic polarization holography: methods and applications

Barbara Kilosanidze, George Kakauridze, Irakli Chaganava

Proceedings Volume 7358, Holography: Advances and Modern Trends; 73580S (2009) https://doi.org/10.1117/12.821766
Event: SPIE Optics + Optoelectronics, 2009, Prague, Czech Republic

Abstract

The results of investigations of kinetics of photoanisotropy induction and relaxation in polarization-sensitive media with conformation-orientation mechanism of the anisotropy induction having significant dark relaxation are presented. It is shown that such materials can be applied for tasks of dynamic polarization holography. With the purpose of improvement dynamic characteristics of polarization-sensitive materials azodye Nitrodimethyl red (NDMR) is specially synthesized. Materials on the basis of NDMR are used for recording dynamic polarization-holographic gratings with different profile of anisotropy. The results of the investigation of kinetics of diffraction efficiency (DE) of these gratings and the analysis of polarization state of diffracted orders are given. It is shown that time of a cycle of recording/erasing for gratings of some types is of the order of 100 ms at DE = 21 %. The theoretical model of dynamic polarizationholographic recording on such materials is presented. Possible applications of the methods of dynamic polarization holography are discussed.

Citation Download Citation

Barbara Kilosanidze, George Kakauridze, and Irakli Chaganava "Dynamic polarization holography: methods and applications", Proc. SPIE 7358, Holography: Advances and Modern Trends, 73580S (19 May 2009); https://doi.org/10.1117/12.821766

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