Two-photon-induced photon oxidation as a means for 3D optical data storage

Andong Xia; S. Wada; Hideo Tashiro; Wenhao Huang

doi:10.1117/12.347847

7 May 1999 Two-photon-induced photon oxidation as a means for 3D optical data storage

Andong Xia, S. Wada, Hideo Tashiro, Wenhao Huang

Proceedings Volume 3740, Optical Engineering for Sensing and Nanotechnology (ICOSN '99); (1999) https://doi.org/10.1117/12.347847
Event: Optical Engineering for Sensing and Nanotechnology (ICOSN '99), 1999, Yokohama, Japan

Abstract

We present a new approach for multi-layered optical data storage in C₆₀ doped polystyrene film. We find that photo- oxidation may increase the fluorescence intensity of C₆₀ molecule by two-photon excitations in a wide wavelength region (780 - 910 nm) from a 100 fs Ti:sapphire laser. The proposed scheme encodes the digital bits by photo-oxidation of C₆₀ induced by two-photon excitation, and reads the increase fluorescence from the oxidation area. The high fluorescence signal can be easily distinguished as bit 1, and low fluorescence signal, as bit 0. This change in the fluorescence intensity could be used to encode information for read-only- memory.

Citation Download Citation

Andong Xia, S. Wada, Hideo Tashiro, and Wenhao Huang "Two-photon-induced photon oxidation as a means for 3D optical data storage", Proc. SPIE 3740, Optical Engineering for Sensing and Nanotechnology (ICOSN '99), (7 May 1999); https://doi.org/10.1117/12.347847

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