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Proceedings Paper

Optical characteristics of micro Fresnel lens for high-density memory system
Author(s): Tetsuo Maeda; Shiro Ogata; Koichi Imanaka
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Paper Abstract

We have proposed a novel optical memory system, that is, multilayered optical storage system utilizing a micro Fresnel lens (MFL). The multiwavelength laser light through the MFL is focused on the point where the surface of each layer is laid, since the MFL focal length depends on the incident laser wavelength. We discussed and demonstrated the dependences of MFL's characteristics such as wavefront aberration, focal length, and focused beam spot size on the incident laser wavelength.

Paper Details

Date Published: 1 August 1990
PDF: 5 pages
Proc. SPIE 1316, Optical Data Storage, (1 August 1990); doi: 10.1117/12.22018
Show Author Affiliations
Tetsuo Maeda, Omron Corp. (Japan)
Shiro Ogata, Omron Corp. (Japan)
Koichi Imanaka, Omron Corp. (Japan)


Published in SPIE Proceedings Vol. 1316:
Optical Data Storage
Maarten de Haan; Yoshito Tsunoda, Editor(s)

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