Three-dimensional optical data storage using three-dimensional optics

Yoshimasa Kawata; Masaharu Nakano; Suk-Chun Lee

doi:10.1117/1.1402123

1 October 2001 Three-dimensional optical data storage using three-dimensional optics

Yoshimasa Kawata, Masaharu Nakano, Suk-Chun Lee

Optical Engineering, Vol. 40, Issue 10, (October 2001). https://doi.org/10.1117/1.1402123

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 threedimensional volume using a focused laser beam. We show recording and reading results using a multilayered recording medium with a photoisomerization polymer and transparent films. Two-photon recording is also demonstrated. We also discuss the spherical aberration corrections using a volume holographic device, and compact confocal configuration using a semiconductor laser.

©(2001) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Yoshimasa Kawata, Masaharu Nakano, and Suk-Chun Lee "Three-dimensional optical data storage using three-dimensional optics," Optical Engineering 40(10), (1 October 2001). https://doi.org/10.1117/1.1402123

Published: 1 October 2001

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