A novel highly integrated red LDH (laser/detector/hologram) unit for high-density magneto-optical disk system

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A novel highly integrated red LDH (laser/detector/hologram) unit for high-density magneto-optical disk system

Ijima, S. / Nakanishi, H. / Takasuka, S. / Takayama, T. / Yoshikawa, A. / Itoh, K. / Arai, A. / Nagata, T. / Hayashi, T. / Nakamura, T.

Abstract

Summary form only given. Recently, much attention has been paid to integrate optical pick-up components to realize a thin and small-sized pick-up for optical disk systems. In a conventional pick-up for a magneto-optical disk system, 11 optical components are needed to detect magneto-optical recording signals. As a result, a pick-up becomes inevitably thick and large. In this work, we demonstrate a very small-sized (3.5/spl times/8.8/spl times/6.6 mm) LDH unit, which integrates 11 optical components including a 50 mW high power AlGaInP red laser diode for high-density magneto-optical disk systems.

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Document information

Title :

A novel highly integrated red LDH (laser/detector/hologram) unit for high-density magneto-optical disk system

Contributors:

Ijima, S. (author) / Nakanishi, H. (author) / Takasuka, S. (author) / Takayama, T. (author) / Yoshikawa, A. (author) / Itoh, K. (author) / Arai, A. (author) / Nagata, T. (author) / Hayashi, T. (author) / Nakamura, T. (author)

Published in:

Technical Digest. Summaries of papers presented at the Conference on Lasers and Electro-Optics. Postconference Edition. CLEO '99. Conference on Lasers and Electro-Optics (IEEE Cat. No.99CH37013) ; 492

Publication date :

1999-01-01

Size :

145436 byte

ISBN :

1-55752-595-1

DOI :

https://doi.org/10.1109/CLEO.1999.834492

Type of media :

Conference paper