Three-dimensional memory

Yoshimasa Kawata

doi:10.1117/12.390492

6 July 2000 Three-dimensional memory

Yoshimasa Kawata

Proceedings Volume 4081, Optical Storage and Optical Information Processing; (2000) https://doi.org/10.1117/12.390492
Event: Photonics Taiwan, 2000, Taipei, Taiwan

Abstract

3D 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 3D 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 "Three-dimensional memory", Proc. SPIE 4081, Optical Storage and Optical Information Processing, (6 July 2000); https://doi.org/10.1117/12.390492

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