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Singlebeam two-photon three-dimensional optical storage in a pyrryl-substituted fulgide photochromic material

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Chinese Science Bulletin

Abstract

We introduce a high-density three-dimensional optical data storage approach by using a pyrryl-substituted fulgide photochromic material with a method of single-beam two-photon recording and fluorescence confocal readout. The detailed information about the photochromic material and the experimental setup are presented. The experiments about multi-layered recording and readout are carried out with a 100-μm-thick transparent photochromic material film. The results show that the lateral resolution is better than 1 μm, and the longitudinal resolution is about 3 μm. Besides, the readout times for the recorded data are desirable when using a readout laser power smaller than 5 mW.

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Authors and Affiliations

  1. Department of Precision Instruments, Tsinghua University, 100084, Beijing, China

    Ningfang Liao, Mali Gong, Duanyi Xu, Guosheng Qi & Kai Zhang

Authors
  1. Ningfang Liao
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  2. Mali Gong
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  3. Duanyi Xu
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  4. Guosheng Qi
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  5. Kai Zhang
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Liao, N., Gong, M., Xu, D. et al. Singlebeam two-photon three-dimensional optical storage in a pyrryl-substituted fulgide photochromic material. Chin.Sci.Bull. 46, 1856–1858 (2001). https://doi.org/10.1007/BF02901156

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  • DOI: https://doi.org/10.1007/BF02901156

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