New Focusing Method for DRAW-Type Optical Head

S. Arai; K. Hamada; K. Ogawa

doi:10.1364/ODS.1985.ThBB1

Topical Meeting on Optical Data Storage
Technical Digest Series (Optica Publishing Group, 1985),
paper ThBB1
•https://doi.org/10.1364/ODS.1985.ThBB1

New Focusing Method for DRAW-Type Optical Head

S. Arai, K. Hamada, and K. Ogawa

Optical Data Storage 1985

Washington, D.C. United States
15–17 October 1985
ISBN:

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Magnetooptics I (ThBB)

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S. Arai, K. Hamada, and K. Ogawa, "New Focusing Method for DRAW-Type Optical Head," in Topical Meeting on Optical Data Storage, Technical Digest Series (Optica Publishing Group, 1985), paper ThBB1.

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Abstract

This paper describes the principle and performance of a new focusing method which has high potential use for a small optical head for the DRAW-type optical disk. We named it the wax-wane method because of changes in the brightness profile of a laser on a detector.

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