SUPERRESOLUTION READOUT SYSTEM WITH ELECTRICAL EQUALIZATION FOR OPTICAL DISKS

被引：10

作者：

TANABE, T

机构：

[1] NTT Interdisciplinary Research Laboratories, Musashino-shi, Tokyo, 180

来源：

APPLIED OPTICS | 1995年 / 34卷 / 29期

关键词：

SUPERRESOLUTION; OPTICAL APODIZER; EQUALIZER; TRANSVERSAL FILTER; HIGH-DENSITY RECORDING; READOUT SYSTEM; OPTICAL DATA STORAGE;

D O I：

10.1364/AO.34.006769

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

An electrical equalizer for a superresolution readout system with an optical apodizer is proposed and verified experimentally. This superresolution readout system uses a five-tap transversal filter as the electrical equalizer instead of additional optics to suppress enlarged sidelobes, and it achieves higher resolution than the diffraction-limited system. The transfer function of the electrical equalizer is also derived theoretically. This approach allows fabrication of a readout system with a good signal-to-noise ratio and a compact head.

引用

页码：6769 / 6774

页数：6

共 10 条

[1] AN EVALUATION OF THE REPRODUCING METHODS ON OPTICAL DIGITAL DISK [J].

FURUKAWA, T ;

NAKANE, K ;

TANAKA, K ;

NAKADA, M .

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS, 1987, 26 :199-202

[2] IRISTER - MAGNETOOPTICAL DISK FOR MAGNETICALLY INDUCED SUPERRESOLUTION [J].

KANEKO, M ;

ARATANI, K ;

FUKUMOTO, A ;

MIYAOKA, S .

PROCEEDINGS OF THE IEEE, 1994, 82 (04) :544-553

[3] ANALYSIS OF SUPERRESOLUTION IN MAGNETOOPTIC DATA-STORAGE DEVICES [J].

MILSTER, TD ;

CURTIS, CH .

APPLIED OPTICS, 1992, 31 (29) :6272-6279

[4] OPTICAL FILTERING IN THE COLLECTION PATH OF A DATA-STORAGE DEVICE [J].

MILSTER, TD ;

WANG, MS ;

LI, WQ ;

WALKER, E .

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS, 1993, 32 (11B) :5397-5401

[5] OPTICAL-DISK MEDIA FABRICATION FOR HIGH DATA-TRANSFER RATE [J].

MIYAGI, M ;

YAMAZAKI, H ;

CHIBA, R ;

FUNAKOSHI, N .

APPLIED OPTICS, 1994, 33 (14) :3094-3098

[6] A NOVEL SUPER RESOLUTION TECHNIQUE FOR HIGH-DENSITY OPTICAL-DATA STORAGE USING MODE INTERFERENCE IN CHANNEL WAVE-GUIDES [J].

OOKI, H ;

ARIMOTO, R ;

IWASAKI, Y ;

IWASAKI, J .

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS, 1993, 32 (04) :1668-1671

[7]

REYNOLDS GO, 1989, NEW PHYSICAL OPTICS, P8

[8] THEORETICAL-ANALYSIS OF SUPERRESOLUTION READOUT OF DISK DATA BY SEMICONFOCAL PICKUP HEADS [J].

SUHARA, T ;

NISHIHARA, H .

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS, 1992, 31 (2B) :534-541

[9]

TANABE T, 1994, OSA TECHNICAL DIGEST, V10, P132

[10] HIGH-DENSITY RECORDING BY SUPERRESOLUTION IN AN OPTICAL DISK MEMORY SYSTEM [J].

YAMANAKA, Y ;

HIROSE, Y ;

FUJII, H ;

KUBOTA, K .

APPLIED OPTICS, 1990, 29 (20) :3046-3051

← 1 →