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Proceedings Paper

Investigation of novel two-photon diarylethene for 3D optical data storage
Author(s): Fushi Zhang; Fengying Xu; Fan Sun; Funqun Zhao; Xuedong Liu; Wenhao Huang
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Paper 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.

Paper Details

Date Published: 3 January 2005
PDF: 4 pages
Proc. SPIE 5643, Advances in Optical Data Storage Technology, (3 January 2005); doi: 10.1117/12.581025
Show Author Affiliations
Fushi Zhang, Tsinghua Univ. (China)
Fengying Xu, Tsinghua Univ. (China)
Fan Sun, Tsinghua Univ. (China)
Funqun Zhao, Tsinghua Univ. (China)
Xuedong Liu, Tsinghua Univ. (China)
Wenhao Huang, Univ. of Science and Technology of China (China)

Published in SPIE Proceedings Vol. 5643:
Advances in Optical Data Storage Technology
Duanyi Xu; Kees A. Schouhamer Immink; Keiji Shono, Editor(s)

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