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Conferences > ISOM > 1996 > OFA > OFA.3

A Compact Disc Compatible Digital Video Disc Pickup Using Annular Mask

Chui Woo Lee, Chong Sam Chung, Kun Ho Cho, Tae Kyung Kim, Soo Yul Jung, Byoung Ho Choi, Jang Hoon Yoo, Joong Eon Seo, and Dong Ho Shin

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Abstract

Recently, the techniques related to DVD have been developed rapidly. Among these, several techniques[1] are proposed for achieving CD compatible DVD pickup. To reduce aberration, mainly coma, the thickness of the DVD was chosen as 0.6mm which is different from a CD. The thickness difference makes it difficult for the optical pickup which is optimized for the DVD disc, to be compatible with the CD.

© 1996 Optical Society of America

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