Investigation of novel two-photon diarylethene for 3D optical data storage

Fushi Zhang; Fengying Xu; Fan Sun; Funqun Zhao; Xuedong Liu; Wenhao Huang

doi:10.1117/12.581025

3 January 2005 Investigation of novel two-photon diarylethene for 3D optical data storage

Fushi Zhang, Fengying Xu, Fan Sun, Funqun Zhao, Xuedong Liu, Wenhao Huang

Proceedings Volume 5643, Advances in Optical Data Storage Technology; (2005) https://doi.org/10.1117/12.581025
Event: Photonics Asia, 2004, Beijing, China

Abstract

3D optical data storage can benefit from the non-linear process of two-photon absorption (TPA). If some chromphores with large TPA cross section are introduced into the diarylethene to enhance its two-photon absorptivities, it is expected to be good recording media for 3D optical data storage. The authors have synthesized four diarylperfluorocyclopentene (DPFCP) derivates for the purpose of developing two-photon 3D optical data storage. The nonlinear two-photon absorption (TPA) properties of the compounds were examined, and the reaction and excited state relaxation dynamics after two-photon excitation were investigated. The TPA cross sections of 2-position DPFCPs were measured by means of TPIF (two-photon induced fluorescence) method, and the highest is 48×10^-50cm⁴•s•photo^-1•molecule^-1. The compounds were successfully applied in two-photon 3D optical data storage based on single beam two-photon femtosecond writing and one-photon fluorescence reading. Ten-layer clear images on DPFCP/PMMA film were obtained, and the data storage density is high to 2.0×10¹¹ bits/cm³.

Citation Download Citation

Fushi Zhang, Fengying Xu, Fan Sun, Funqun Zhao, Xuedong Liu, and Wenhao Huang "Investigation of novel two-photon diarylethene for 3D optical data storage", Proc. SPIE 5643, Advances in Optical Data Storage Technology, (3 January 2005); https://doi.org/10.1117/12.581025

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