Multiple-Beam Liquid Crystal Grating for the Recordable Optical Pickup Head

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概要

• 論文の詳細を見る

• By combining the technology of a liquid crystal diffractive optical element with that of a multiple-beam grating, a novel multiple-beam liquid crystal grating is proposed for the application of recordable optical pickup heads. This grating has the function of generating seven diffracted beams with equal intensity in each order while applying a voltage to the device. It provides the switching ability between the single beam and multiple beams for writing data and reproducing data, respectively.

• Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
• 2005-04-15

著者

• Shih Hsi-fu

  Department Of Mechanical Engineering National Chunghsing University

• Shih Hsi-Fu

  Department of Mechanical Engineering, National ChungHsing University, 250, Kuo-Kuang Rd., Taichung 402, Taiwan, R.O.C.

• Shih Hsi-Fu

  Department of Mechanical Engineering and Center of Nanoscience and Nanotechnology, National ChungHsing University, 250, Kuo-Kuang Rd., Taichung 402, Taiwan, R.O.C.

関連論文

• Optical Head with Two Wavelengths in Single Path Using Holographic Optical Element
• Multiple-Beam Liquid Crystal Grating for the Recordable Optical Pickup Head
• Polarization-Selective Liquid-Crystal Device and Its Application to Recordable Integrated Optical Unit

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