Blu-ray disc pickup head for dual layer

被引：13
|
作者：
Kim, TK
Ahn, YM
Kim, SJ
Heor, TY
Chung, CS
Park, IS
机构：
[1] Samsung Elect Co Ltd, Med Solut Team, Digital Med Res Ctr, Digital Med Business, Suwon 442742, South Korea
[2] Samsung Elect Co Ltd, R&D Grp 2, Digital Video Syst Div, Digital Med Business, Suwon 442742, South Korea
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS | 2005年 / 44卷 / 5B期
关键词：
Blu-ray; dual layer; optical disc; pickup hea;
D O I：
10.1143/JJAP.44.3397
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
For dual-layer Blu-ray disc (BD) recording systems, the compensation of thickness differences is required. In addition the influence from the other layer should be considered. As a spherical compensation method, we have adopted a liquid crystal panel to fabricate a compact pickup head. Furthermore we have inserted a polarization diffractive optical element to reduce the influence from the other layer. In this paper, we report the readout test results of a dual-layer disc using a compact optical head.
引用
收藏
页码：3397 / 3401
页数：5
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