JPH0344388B2 - - Google Patents

Info

Publication number
JPH0344388B2
JPH0344388B2 JP4559883A JP4559883A JPH0344388B2 JP H0344388 B2 JPH0344388 B2 JP H0344388B2 JP 4559883 A JP4559883 A JP 4559883A JP 4559883 A JP4559883 A JP 4559883A JP H0344388 B2 JPH0344388 B2 JP H0344388B2
Authority
JP
Japan
Prior art keywords
light
retarder
polarized light
thin film
analyzer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP4559883A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59171058A (ja
Inventor
Hideki Akasaka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nikon Corp
Original Assignee
Nippon Kogaku KK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Kogaku KK filed Critical Nippon Kogaku KK
Priority to JP4559883A priority Critical patent/JPS59171058A/ja
Publication of JPS59171058A publication Critical patent/JPS59171058A/ja
Publication of JPH0344388B2 publication Critical patent/JPH0344388B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10582—Record carriers characterised by the selection of the material or by the structure or form
    • G11B11/10586—Record carriers characterised by the selection of the material or by the structure or form characterised by the selection of the material
JP4559883A 1983-03-18 1983-03-18 位相子を設けた光磁気記録媒体 Granted JPS59171058A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4559883A JPS59171058A (ja) 1983-03-18 1983-03-18 位相子を設けた光磁気記録媒体

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4559883A JPS59171058A (ja) 1983-03-18 1983-03-18 位相子を設けた光磁気記録媒体

Publications (2)

Publication Number Publication Date
JPS59171058A JPS59171058A (ja) 1984-09-27
JPH0344388B2 true JPH0344388B2 (enrdf_load_stackoverflow) 1991-07-05

Family

ID=12723780

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4559883A Granted JPS59171058A (ja) 1983-03-18 1983-03-18 位相子を設けた光磁気記録媒体

Country Status (1)

Country Link
JP (1) JPS59171058A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0622070B2 (ja) * 1983-12-29 1994-03-23 オリンパス光学工業株式会社 光磁気ピツクアツプ装置

Also Published As

Publication number Publication date
JPS59171058A (ja) 1984-09-27

Similar Documents

Publication Publication Date Title
US5033828A (en) Optical output controlling method and apparatus
JPH07101523B2 (ja) 光磁気信号再生装置
JP2706128B2 (ja) 光磁気再生装置
JP2786484B2 (ja) 光磁気再生装置
JPS6145439A (ja) 光信号読取り法および装置
JPS59191156A (ja) 旋光子を設けた磁気光学再生装置
JPH0350346B2 (enrdf_load_stackoverflow)
JPS58153244A (ja) 光磁気記録媒体
JPH0344388B2 (enrdf_load_stackoverflow)
JPH0412528B2 (enrdf_load_stackoverflow)
JPS6190346A (ja) 光磁気再生装置
JPS60143461A (ja) 光磁気ピツクアツプ装置
JPS58196640A (ja) 磁気光学記録再生装置
US5249171A (en) Opto-magnetic pick-up device including phase difference correcting means
JPH05258387A (ja) 位相補正された反射型磁気光学再生装置
JP2797618B2 (ja) 光磁気記録媒体の記録信号再生装置
JP2574907B2 (ja) 偏光回折素子ユニット並びにそれを含む光ピックアップ装置
JPH0756710B2 (ja) 光磁気記憶装置の光学装置
JPH0262742A (ja) 光記録再生装置
JPS59172176A (ja) 磁気光学再生装置
JPS6035353A (ja) 光磁気再生装置
JPS60226045A (ja) 光磁気デイスクメモリ再生装置
JPH043575B2 (enrdf_load_stackoverflow)
JPH0685218B2 (ja) 光磁気再生装置
JPH07182722A (ja) 光磁気記録再生方法と光磁気記録媒体