20 September 1996 Holographic element for CD pickup-to-play DVD
Author Affiliations +
A holographic element for the common CD pick-up to play DVD is designed in this paper. The focus of holographic element is the same as that of the objective lens of CD player. The holographic element is fixed before the objective lens. The focus of DVD player with this holographic element is 8.5 mm, the number aperture is 0.75, and the focusing beam spot is 0.5 um. DVD player with the holographic element is characteristic of compensating the main optical error met in the common CD player well.
© (1996) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Guoliang Huang, Guoliang Huang, Longfa Pan, Longfa Pan, Duanyi Xu, Duanyi Xu, Jing Pei, Jing Pei, Huibo Jia, Huibo Jia, } "Holographic element for CD pickup-to-play DVD", Proc. SPIE 2890, Optical Recording, Storage, and Retrieval Systems, (20 September 1996); doi: 10.1117/12.251979; https://doi.org/10.1117/12.251979


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