Hybrid achromatic objective lens for optical data storage

Koichi Maruyama; Makoto Iwaki; Syun'itirou Wakamiya; Ryota Ogawa

doi:10.1117/12.215306

27 July 1995 Hybrid achromatic objective lens for optical data storage

Koichi Maruyama, Makoto Iwaki, Syun'itirou Wakamiya, Ryota Ogawa

Proceedings Volume 2577, International Conference on Applications of Optical Holography; (1995) https://doi.org/10.1117/12.215306
Event: International Conferences on Optical Fabrication and Testing and Applications of Optical Holography, 1995, Tokyo, Japan

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.

Citation Download Citation

Koichi Maruyama, Makoto Iwaki, Syun'itirou Wakamiya, and Ryota Ogawa "Hybrid achromatic objective lens for optical data storage", Proc. SPIE 2577, International Conference on Applications of Optical Holography, (27 July 1995); https://doi.org/10.1117/12.215306

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