KR0175552B1 - 광 아이솔레이터 - Google Patents
광 아이솔레이터 Download PDFInfo
- Publication number
- KR0175552B1 KR0175552B1 KR1019960018025A KR19960018025A KR0175552B1 KR 0175552 B1 KR0175552 B1 KR 0175552B1 KR 1019960018025 A KR1019960018025 A KR 1019960018025A KR 19960018025 A KR19960018025 A KR 19960018025A KR 0175552 B1 KR0175552 B1 KR 0175552B1
- Authority
- KR
- South Korea
- Prior art keywords
- light
- birefringent element
- optical
- faraday rotator
- focusing
- 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 - Fee Related
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1365—Separate or integrated refractive elements, e.g. wave plates
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1372—Lenses
- G11B7/1376—Collimator lenses
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1384—Fibre optics
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
Abstract
Description
Claims (2)
- 광 파이버에서 출사된 빛을 평행광으로 만들 수 있는 콜리메이터 렌즈가 포함된 콜리메이팅 수단과, 일면이 소정의 각도로 경사를 이루고 상기 콜리메이터 렌즈를 통한 입사 광을 굴절각이 서로 다른 두 개의 편광으로 나누어 전파시키는 제1복굴절 소자와, 상기 제1복굴절 소자를 통과하는 편광을 45° 회전시키는 패러데이 회전자와, 일면이 소정 각도의 경사를 이루고 상기 제1복굴절 소자의 광축에 대하여 패러데이 회전자에 의한 광의 회전 방향과 반대 방향으로 회전된 위치에 광축이 존재하여 입사광에 포함된 정상파와 비정상파가 상호 뒤바뀐 편광을 출사시키는 제2복굴절 소자와, 상기 제2복굴절 소자를 통과한 빛을 광 파이버로 집속시킬 수 있는 집속 렌즈가 포함된 집속 수단으로 구비된 것을 특징으로 하는 광 아이솔레이터.
- 제1항에 있어서, 상기 제2복굴절 소자는 제1 복굴절 소자의 경사면과 서로 반대 방향으로 소정의 각도를 이루는 경사면을 구비한 것을 특징으로 하는 광 아이솔레이터.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019960018025A KR0175552B1 (ko) | 1996-05-27 | 1996-05-27 | 광 아이솔레이터 |
| GB9710814A GB2313675B (en) | 1996-05-27 | 1997-05-23 | Optical isolator |
| DE19721959A DE19721959A1 (de) | 1996-05-27 | 1997-05-26 | Optischer Isolator |
| JP9137314A JPH1054957A (ja) | 1996-05-27 | 1997-05-27 | 光アイソレータ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019960018025A KR0175552B1 (ko) | 1996-05-27 | 1996-05-27 | 광 아이솔레이터 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR970076544A KR970076544A (ko) | 1997-12-12 |
| KR0175552B1 true KR0175552B1 (ko) | 1999-04-15 |
Family
ID=19459827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019960018025A Expired - Fee Related KR0175552B1 (ko) | 1996-05-27 | 1996-05-27 | 광 아이솔레이터 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR0175552B1 (ko) |
-
1996
- 1996-05-27 KR KR1019960018025A patent/KR0175552B1/ko not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR970076544A (ko) | 1997-12-12 |
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