Multilayered optical memory based on photofabrication with femtosecond pulse laser

Yoshimasa Kawata

doi:10.1117/12.483314

17 September 2002 Multilayered optical memory based on photofabrication with femtosecond pulse laser

Yoshimasa Kawata

Proceedings Volume 4930, Advanced Optical Storage Technology; (2002) https://doi.org/10.1117/12.483314
Event: Photonics Asia, 2002, Shanghai, China

Abstract

Three-dimensional optical memory with photorefractive materials is discussed for ultra-high density/capacity memory exceeding the classical limit of a conventional optical recording system. Bit data are recorded as highly localized refractive index variations in three-dimensional volume using a focused laser beam. We show recording and reading results using various recording materials and optical configurations. A multi-structured optical recording medium using a photoisomerization polymer and a transparent films has been developed for reflection confocal reading. Two-photon recording is also demonstrated.

Citation Download Citation

Yoshimasa Kawata "Multilayered optical memory based on photofabrication with femtosecond pulse laser", Proc. SPIE 4930, Advanced Optical Storage Technology, (17 September 2002); https://doi.org/10.1117/12.483314

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