KR920017042A - Optical head for magneto-optical disk - Google Patents

Optical head for magneto-optical disk Download PDF

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Publication number
KR920017042A
KR920017042A KR1019910003372A KR910003372A KR920017042A KR 920017042 A KR920017042 A KR 920017042A KR 1019910003372 A KR1019910003372 A KR 1019910003372A KR 910003372 A KR910003372 A KR 910003372A KR 920017042 A KR920017042 A KR 920017042A
Authority
KR
South Korea
Prior art keywords
optical
disk
magneto
linearly polarized
polarized light
Prior art date
Application number
KR1019910003372A
Other languages
Korean (ko)
Inventor
이용재
조건호
Original Assignee
정용문
삼성전자 주식회사
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 정용문, 삼성전자 주식회사 filed Critical 정용문
Priority to KR1019910003372A priority Critical patent/KR920017042A/en
Publication of KR920017042A publication Critical patent/KR920017042A/en

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Abstract

내용 없음No content

Description

광자기 디스크용 광학헤드Optical head for magneto-optical disk

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명에 의한 광자기 디스크용 광학헤드의 구성을 나타낸 개략적인 광학배치도, 제2도 (A)∼(F)는 제1도의 각 부위를 통과한 광의 편광면 변화를 나타내는 설명도.FIG. 1 is a schematic optical arrangement showing the configuration of an optical head for a magneto-optical disk according to the present invention, and FIGS. 2A to 2F are explanatory diagrams showing changes in polarization planes of light passing through respective portions of FIG.

Claims (2)

소정의 직선편파광을 발생하는 광원을 가지며, 그 직선편파광을 광자기 디스크에 접속주사하고 동시에 그 디스크로부터의 반사광을 검출하여 소정의 기록 또는 재생동작을 행하는 광자기 디스크용 광학헤드에 있어서, 상기 광원으로부터 상기 디스크로의 광로상에, 상기 직선편파광에 평행한 자계를 형성하는 패러데이소자가 구비되어 된 것을 특징으로 하는 광자기 디스크용 광학헤드.An optical head for an optical magnetic disk, comprising: a light source for generating a predetermined linearly polarized light, wherein the linearly polarized light is connected to and scanned by the magneto-optical disk, and at the same time, the reflected light from the disk is detected to perform a predetermined recording or reproducing operation. And a Faraday element for forming a magnetic field parallel to the linearly polarized light on the optical path from the light source to the disk. 제1항에 있어서, 상기 패러데이소자에 의한 직선편파광의 회전각도가 대략 45°인 것을 특징으로 하는 광자기 디스크용 광학헤드The optical head for a magneto-optical disk according to claim 1, wherein the rotation angle of the linearly polarized light by said Faraday element is approximately 45 degrees. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910003372A 1991-02-28 1991-02-28 Optical head for magneto-optical disk KR920017042A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019910003372A KR920017042A (en) 1991-02-28 1991-02-28 Optical head for magneto-optical disk

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910003372A KR920017042A (en) 1991-02-28 1991-02-28 Optical head for magneto-optical disk

Publications (1)

Publication Number Publication Date
KR920017042A true KR920017042A (en) 1992-09-26

Family

ID=67400340

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910003372A KR920017042A (en) 1991-02-28 1991-02-28 Optical head for magneto-optical disk

Country Status (1)

Country Link
KR (1) KR920017042A (en)

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