EDGE SHIFT CHARACTERISTICS OF A MAGNETOOPTICAL EDGE-DETECTION SIGNAL

被引:3
|
作者
YAMAGUCHI, E [1 ]
YAMAMOTO, M [1 ]
HOSHI, H [1 ]
MATSUMURA, S [1 ]
机构
[1] CANON INC,RES & DEV HEADQUARTERS IMAGING RES CTR,OHTA KU,TOKYO 146,JAPAN
来源
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 1993年 / 32卷 / 11B期
关键词
MAGNETOOPTICAL DATA STORAGE; MAGNETOOPTICAL EDGE DETECTION; DIVIDED SENSORS; EDGE SHIFT; INTERSYMBOL INTERFERENCE;
D O I
10.1143/JJAP.32.5349
中图分类号
O59 [应用物理学];
学科分类号
摘要
We implemented a magnetooptical edge detection system using split sensors. We measured the carrier-to-noise ratio and edge shift quantity of readout signals. The edge shift quantity steeply increases when a recorded domain length in the information track direction becomes shorter than half the diameter of the reading light spot. The edge shift difference between the conventional detection signal and the edge detection signal is discussed.
引用
收藏
页码:5349 / 5353
页数:5
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