Advanced optical storage phosphor materials for erasable and rewritable optical memory utilizing photostimulated luminescence

Hidehito Nanto; Tomoyuki Sato; Makoto Miyazaki; Atushi Imai; Hironobu Komori; Yoshiteru Douguchi; Eiji Kusano; Shouichi Nasu; Akira Kinbara

doi:10.1117/12.370240

22 November 1999 Advanced optical storage phosphor materials for erasable and rewritable optical memory utilizing photostimulated luminescence

Hidehito Nanto, Tomoyuki Sato, Makoto Miyazaki, Atushi Imai, Hironobu Komori, Yoshiteru Douguchi, Eiji Kusano, Shouichi Nasu, Akira Kinbara

Author Affiliations +

Proceedings Volume 3802, Advanced Optical Data Storage: Materials, Systems, and Interfaces to Computers; (1999) https://doi.org/10.1117/12.370240
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1999, Denver, CO, United States

Abstract

The Boolean logic operations such as OR, AND and NOR are demonstrated using photostimulated luminescence (PSL) phenomenon in the imaging plate (IP) which is made by BaFBr:Eu photostimulable phosphor. The PSL in Eu and Sm co-doped SrS (SrS:Eu,Sm) phosphor ceramics is studied in order to develop a smart erasable and rewritable optical memory utilizing PSL phenomenon, because the SrS:Eu,Sm phosphor ceramics which are excited with UV-light or visible light exhibits an intense PSL, compared with that in UV-irradiated IP. Intense PSL with a peak at about 600 nm is observed in SrS:Eu,Sm phosphor ceramics which is stimulated with infrared light after irradiation with ultraviolet-(UV) light or visible-light. The PSL characteristics of SrS:Eu,Sm phosphor ceramics as a photostimulable material for the optical memory are reported.

Citation Download Citation

Hidehito Nanto, Tomoyuki Sato, Makoto Miyazaki, Atushi Imai, Hironobu Komori, Yoshiteru Douguchi, Eiji Kusano, Shouichi Nasu, and Akira Kinbara "Advanced optical storage phosphor materials for erasable and rewritable optical memory utilizing photostimulated luminescence", Proc. SPIE 3802, Advanced Optical Data Storage: Materials, Systems, and Interfaces to Computers, (22 November 1999); https://doi.org/10.1117/12.370240

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