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Proceedings Paper

Hybrid achromatic objective lens for optical data storage
Author(s): Koichi Maruyama; Makoto Iwaki; Syun'itirou Wakamiya; Ryota Ogawa
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Paper Abstract

The two types of diffractive optical elements capable of compensating chromatic aberration in MO data storage optics have been developed. One is a diffractive element that has little optical power, and is used in cooperation with an aspherical objective lens separated from each other. The other is an aspherical singlet with a diffractive grating on its surface. Both have a diffraction efficiency of 100% for the first order diffraction.

Paper Details

Date Published: 27 July 1995
PDF: 7 pages
Proc. SPIE 2577, International Conference on Applications of Optical Holography, (27 July 1995); doi: 10.1117/12.215306
Show Author Affiliations
Koichi Maruyama, Asahi Optical Co., Ltd. (Japan)
Makoto Iwaki, Asahi Optical Co., Ltd. (Japan)
Syun'itirou Wakamiya, Asahi Optical Co., Ltd. (Japan)
Ryota Ogawa, Asahi Optical Co., Ltd. (Japan)


Published in SPIE Proceedings Vol. 2577:
International Conference on Applications of Optical Holography
Toshio Honda, Editor(s)

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