Numerical Simulation Method for a Liquid-Crystal Aberration Compensation Device
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概要
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We have developed a numerical simulation method on the basis of the ray tracing technique to evaluate a liquid-crystal (LC) spherical aberration compensation device for next-generation high-capacity optical memory devices. We numerically evaluated the performance and the tolerance of the LC device and showed its adequate capability to compensate the spherical aberration due to the nonuniformity of the disc cover layer thickness. Using the simulation method, we numerically examined the possibility of using LC devices to compensate the large spherical aberration due to the layer jump of the dual-layer optical disc and determined that the gradation-type LC device can be used for dual-layer optical recording.
- 2003-02-15
著者
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Sasaki Hiroko
Optical Technology Department Olympus Optical Co. Ltd.
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Nomura Takuji
Electronic Technology Development Center Asahi Glass Co. Ltd.
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SUZUKI Yoshimasa
Optical Technology Department, Olympus Optical Co., Ltd.
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IWASAKI Nobuyoshi
Optical Technology Department, Olympus Optical Co., Ltd.
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KOBAYASHI Shohei
Optical Technology Department, Olympus Optical Co., Ltd.
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MURATA Koichi
Electronic Technology Development Center, Asahi Glass Co., Ltd.
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Horigome Junichi
Optical Storage Division Storage And Device Company Core Technology And Network Company Sony Co.
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Nishino Masatoshi
Optical Storage Division Storage And Device Company Core Technology And Network Company Sony Co.
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Horigome Junichi
Optical Storage Division Storage and Device Company, Core Technology and Network Company, Sony Co., 1-11-1 Osaki, Shinagawa, Tokyo 141-0032, Japan
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Suzuki Yoshimasa
Optical Technology Department, Olympus Optical Co., Ltd., 2-3 Kuboyama-cho, Hachioji, Tokyo 192-8512, Japan
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Murata Koichi
Electronic Technology Development Center, Asahi Glass Co., Ltd., 1150 Hazawa-cho, Kanagawa, Yokohama, Kanagawa 221-8755, Japan
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Nomura Takuji
Electronic Technology Development Center, Asahi Glass Co., Ltd., 1150 Hazawa-cho, Kanagawa, Yokohama, Kanagawa 221-8755, Japan
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Kobayashi Shohei
Optical Technology Department, Olympus Optical Co., Ltd., 2-3 Kuboyama-cho, Hachioji, Tokyo 192-8512, Japan
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Nishino Masatoshi
Optical Storage Division Storage and Device Company, Core Technology and Network Company, Sony Co., 1-11-1 Osaki, Shinagawa, Tokyo 141-0032, Japan
関連論文
- Numerical Simulation Method for a Liquid-Crystal Aberration Compensation Device
- Numerical Simulation Method for a Liquid-Crystal Aberration Compensation Device