Three-dimensional memory using photoreduction of Eu ions

Minh-Tuan Trinh; Ki-Soo Lim; Sunkyun Lee; Jung-Rim Nam; Eunkyoung Kim

doi:10.1117/12.680234

31 August 2006 Three-dimensional memory using photoreduction of Eu ions

Minh-Tuan Trinh, Ki-Soo Lim, Sunkyun Lee, Jung-Rim Nam, Eunkyoung Kim

Proceedings Volume 6327, Nanoengineering: Fabrication, Properties, Optics, and Devices III; 632714 (2006) https://doi.org/10.1117/12.680234
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States

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.

Citation Download Citation

Minh-Tuan Trinh, Ki-Soo Lim, Sunkyun Lee, Jung-Rim Nam, and Eunkyoung Kim "Three-dimensional memory using photoreduction of Eu ions", Proc. SPIE 6327, Nanoengineering: Fabrication, Properties, Optics, and Devices III, 632714 (31 August 2006); https://doi.org/10.1117/12.680234

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