Optical characteristics of novel bisazo polymer for rewritable holographic data storage

Jun Young Kim; Takashi Fukuda; Daisuke Barada; Hirobumi Ushijima; Kiyoshi Yase

doi:10.1117/12.683788

13 September 2006 Optical characteristics of novel bisazo polymer for rewritable holographic data storage

Jun Young Kim, Takashi Fukuda, Daisuke Barada, Hirobumi Ushijima, Kiyoshi Yase

Proceedings Volume 6335, Organic Holographic Materials and Applications IV; 63350U (2006) https://doi.org/10.1117/12.683788
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States

Abstract

A novel photoresponsive polymer containing bisazo chromophores have been synthesized for comparative study with monoazo polymer. Since the bisazo structure has an extended Π-conjugation electronic system, it is expected to have large intrinsic molecular birefringence that can realize large macroscopic photoinduced birefringence (Δn_PI) via photoinduced molecular re-orientation process of bisazo molecules. As a result, it was found that the large value of Δn_PI (0.17) could be obtained by using bisazo polymer at 514.5nm excitation with 1.0W/cm².

Citation Download Citation

Jun Young Kim, Takashi Fukuda, Daisuke Barada, Hirobumi Ushijima, and Kiyoshi Yase "Optical characteristics of novel bisazo polymer for rewritable holographic data storage", Proc. SPIE 6335, Organic Holographic Materials and Applications IV, 63350U (13 September 2006); https://doi.org/10.1117/12.683788

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