Multi-Beam Optical System for Optical Tape Recording
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概要
- 論文の詳細を見る
An optical tape recording system utilizing a rotating optical head is under development as a mass storage device suitable for recording television programs. High-quality moving pictures for broadcast require a correspondingly high bit rate of over 100 megabits per second (Mbps) for recording. Toward the realization of such a high bit rate, recording in parallel utilizing many laser beams is most effective. We propose an optical system integrating a head that is suitable for parallel recording on an optical tape with numerous laser beams. The optical system assumes the role of keeping the lateral magnification constant during focusing. We studied the effectiveness of such an optical system by the experimental construction of a four-beam optical head.
- Publication Office, Japanese Journal of Applied Physics, Faculty of Science, University of Tokyoの論文
- 1998-04-30
著者
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ARAI Kiyotaka
NHK Science & Technical Research Laboratories
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KAWAMURA Norikazu
NHK Science & Technical Research Laboratories
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YOSHIMURA Shin-ichi
NHK Science & Technical Research Laboratories
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Tokumaru Haruki
Nhk Science & Technical Research Laboratories
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Yoshimura Shin-ichi
NHK Science & Technical Research Laboratories, 1-10-11 Kinuta, Setagaya-ku, Tokyo 157, Japan
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Okumura Hideyo
NHK Science & Technical Research Laboratories, 1-10-11 Kinuta, Setagaya-ku, Tokyo 157, Japan
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Tokumaru Haruki
NHK Science & Technical Research Laboratories, 1-10-11 Kinuta, Setagaya-ku, Tokyo 157, Japan
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Kawamura Norikazu
NHK Science & Technical Research Laboratories, 1-10-11 Kinuta, Setagaya-ku, Tokyo 157, Japan
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Arai Kiyotaka
NHK Science & Technical Research Laboratories, 1-10-11 Kinuta, Setagaya-ku, Tokyo 157, Japan
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