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Proceedings Paper

Three-dimensional memory using photoreduction of Eu ions
Author(s): Minh-Tuan Trinh; Ki-Soo Lim; Sunkyun Lee; Jung-Rim Nam; Eunkyoung Kim
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Paper Abstract

In this work, we report three-dimensional memory by recording optical bits with irradiation of near-infrared femtosecond laser pulses and by reading photoluminescence change in the blue due to permanent reduction of Eu3+ to Eu2+ in sodium borate glasses. We produced a multilayered micro-bit pattern which was read out by detecting the blue emission from the 405 nm excitation with a high S/N ratio. The readout was performed by using a scanning reflection-type confocal microscope.

Paper Details

Date Published: 31 August 2006
PDF: 8 pages
Proc. SPIE 6327, Nanoengineering: Fabrication, Properties, Optics, and Devices III, 632714 (31 August 2006); doi: 10.1117/12.680234
Show Author Affiliations
Minh-Tuan Trinh, Chungbuk National Univ. (South Korea)
Ki-Soo Lim, Chungbuk National Univ. (South Korea)
Sunkyun Lee, Chungbuk National Univ. (South Korea)
Jung-Rim Nam, Chungbuk National Univ. (South Korea)
Eunkyoung Kim, Yonsei Univ. (South Korea)


Published in SPIE Proceedings Vol. 6327:
Nanoengineering: Fabrication, Properties, Optics, and Devices III
Elizabeth A. Dobisz; Louay A. Eldada, Editor(s)

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