WO2001043127A1 - Objectif et capteur optique - Google Patents
Objectif et capteur optique Download PDFInfo
- Publication number
- WO2001043127A1 WO2001043127A1 PCT/JP2000/008672 JP0008672W WO0143127A1 WO 2001043127 A1 WO2001043127 A1 WO 2001043127A1 JP 0008672 W JP0008672 W JP 0008672W WO 0143127 A1 WO0143127 A1 WO 0143127A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- optical
- light beam
- light
- information recording
- recording medium
- Prior art date
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
- G11B7/1372—Lenses
- G11B7/1374—Objective lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
- G02B13/002—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/02—Simple or compound lenses with non-spherical faces
- G02B3/08—Simple or compound lenses with non-spherical faces with discontinuous faces, e.g. Fresnel lens
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/10—Bifocal lenses; Multifocal 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
- G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
- G11B7/127—Lasers; Multiple laser arrays
- G11B7/1275—Two or more lasers having different wavelengths
-
- 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
- G11B7/13—Optical detectors therefor
-
- 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
- G11B7/1353—Diffractive elements, e.g. holograms or gratings
-
- 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
- G11B7/1367—Stepped phase 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
- G11B7/1392—Means for controlling the beam wavefront, e.g. for correction of aberration
-
- 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
- G11B7/1392—Means for controlling the beam wavefront, e.g. for correction of aberration
- G11B7/13922—Means for controlling the beam wavefront, e.g. for correction of aberration passive
-
- 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
- G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
- G11B2007/0006—Recording, reproducing or erasing systems characterised by the structure or type of the carrier adapted for scanning different types of carrier, e.g. CD & DVD
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2537—Optical discs
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Optical Head (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00979983A EP1168317A4 (en) | 1999-12-10 | 2000-12-07 | LENS LENS AND OPTICAL SENSING DEVICE |
US09/786,438 US6781943B2 (en) | 1999-12-10 | 2000-12-07 | Objective lens and optical pick-up device for reproducing and/or recording of information |
KR1020017010057A KR20010102007A (ko) | 1999-12-10 | 2000-12-07 | 대물 렌즈 및 광 픽업 장치 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11/351930 | 1999-12-10 | ||
JP35193099 | 1999-12-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001043127A1 true WO2001043127A1 (fr) | 2001-06-14 |
Family
ID=18420601
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2000/008672 WO2001043127A1 (fr) | 1999-12-10 | 2000-12-07 | Objectif et capteur optique |
Country Status (5)
Country | Link |
---|---|
US (1) | US6781943B2 (ja) |
EP (1) | EP1168317A4 (ja) |
KR (1) | KR20010102007A (ja) |
CN (1) | CN1189878C (ja) |
WO (1) | WO2001043127A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1305053C (zh) * | 2003-04-28 | 2007-03-14 | 株式会社三协精机制作所 | 光学头装置及光学头装置用物镜 |
CN100428347C (zh) * | 2003-04-28 | 2008-10-22 | 日本电产三协株式会社 | 光学头装置及光学头装置用物镜 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3864749B2 (ja) * | 2001-10-11 | 2007-01-10 | コニカミノルタホールディングス株式会社 | 光ピックアップ装置の光学系及び光ピックアップ装置の対物レンズ |
JP4175092B2 (ja) * | 2002-11-06 | 2008-11-05 | 日本電気株式会社 | 光ヘッド装置および光学式情報記録再生装置 |
JP4170231B2 (ja) * | 2004-01-13 | 2008-10-22 | Hoya株式会社 | 光ディスク用対物レンズ |
JPWO2005083694A1 (ja) * | 2004-02-27 | 2007-11-29 | コニカミノルタオプト株式会社 | 対物光学系、光ピックアップ装置及び光情報記録再生装置 |
JP2005293765A (ja) * | 2004-04-02 | 2005-10-20 | Konica Minolta Opto Inc | 光ピックアップ装置 |
US7821906B2 (en) * | 2004-06-21 | 2010-10-26 | Hoya Corporation | Objective lens for optical pick-up |
RU2642149C2 (ru) * | 2016-01-12 | 2018-01-24 | Самсунг Электроникс Ко., Лтд. | Составная линза и содержащая ее система отображения |
KR20230150068A (ko) * | 2022-04-21 | 2023-10-30 | 한양대학교 산학협력단 | 복합 회절형 다초점 인공수정체 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10199023A (ja) * | 1995-12-19 | 1998-07-31 | Konica Corp | 光ピックアップ装置、集光光学系、対物レンズ、再生方法及び光ディスク装置 |
JPH10255305A (ja) * | 1997-03-13 | 1998-09-25 | Hitachi Ltd | 対物レンズおよびそれを用いた光ヘッド |
JPH10269611A (ja) * | 1997-03-27 | 1998-10-09 | Pioneer Electron Corp | 光ピックアップ及びそれを用いた多層ディスク再生装置 |
JPH112759A (ja) * | 1997-06-13 | 1999-01-06 | Pioneer Electron Corp | 対物レンズ |
JPH11287948A (ja) * | 1998-03-31 | 1999-10-19 | Pioneer Electron Corp | 対物レンズ及び光ピックアップ装置 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4768867A (en) * | 1985-09-02 | 1988-09-06 | Canon Kabushiki Kaisha | Aspherical single lens |
KR910002322B1 (ko) * | 1986-09-20 | 1991-04-11 | 후지쓰 가부시끼가이샤 | 회절격자렌즈 조립체를 구비하고 있는 광학시스템 |
US5754512A (en) * | 1995-05-30 | 1998-05-19 | Matsushita Electric Industrial Co., Ltd. | Correction elements to lower light intensity around an optical axis of an optical head with a plurality of focal points |
US5838653A (en) * | 1995-10-04 | 1998-11-17 | Reveo, Inc. | Multiple layer optical recording media and method and system for recording and reproducing information using the same |
DE69720641T2 (de) * | 1996-10-23 | 2004-04-08 | Konica Corp. | Verfahren zur Aufzeichnung und Wiedergabe eines optischen Aufzeichnungsträgers, Objektivlinse sowie Herstellungsmethode der Objektivlinse |
TW432225B (en) * | 1998-06-03 | 2001-05-01 | Konishiroku Photo Ind | Optical pickup apparatus |
TW479253B (en) * | 1998-12-17 | 2002-03-11 | Konishiroku Photo Ind | Objective lens for correcting chromatic aberration for use in recording toor reproducing from optical information recording medium and optical pickup apparatus therewith |
JP2000231057A (ja) * | 1999-02-10 | 2000-08-22 | Konica Corp | 対物レンズ及び光ピックアップ装置 |
-
2000
- 2000-12-07 CN CNB008017506A patent/CN1189878C/zh not_active Expired - Fee Related
- 2000-12-07 EP EP00979983A patent/EP1168317A4/en not_active Withdrawn
- 2000-12-07 KR KR1020017010057A patent/KR20010102007A/ko not_active Application Discontinuation
- 2000-12-07 US US09/786,438 patent/US6781943B2/en not_active Expired - Fee Related
- 2000-12-07 WO PCT/JP2000/008672 patent/WO2001043127A1/ja not_active Application Discontinuation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10199023A (ja) * | 1995-12-19 | 1998-07-31 | Konica Corp | 光ピックアップ装置、集光光学系、対物レンズ、再生方法及び光ディスク装置 |
JPH10255305A (ja) * | 1997-03-13 | 1998-09-25 | Hitachi Ltd | 対物レンズおよびそれを用いた光ヘッド |
JPH10269611A (ja) * | 1997-03-27 | 1998-10-09 | Pioneer Electron Corp | 光ピックアップ及びそれを用いた多層ディスク再生装置 |
JPH112759A (ja) * | 1997-06-13 | 1999-01-06 | Pioneer Electron Corp | 対物レンズ |
JPH11287948A (ja) * | 1998-03-31 | 1999-10-19 | Pioneer Electron Corp | 対物レンズ及び光ピックアップ装置 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1168317A4 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1305053C (zh) * | 2003-04-28 | 2007-03-14 | 株式会社三协精机制作所 | 光学头装置及光学头装置用物镜 |
CN100428347C (zh) * | 2003-04-28 | 2008-10-22 | 日本电产三协株式会社 | 光学头装置及光学头装置用物镜 |
Also Published As
Publication number | Publication date |
---|---|
EP1168317A1 (en) | 2002-01-02 |
EP1168317A4 (en) | 2006-06-21 |
CN1189878C (zh) | 2005-02-16 |
US20020191526A1 (en) | 2002-12-19 |
KR20010102007A (ko) | 2001-11-15 |
US6781943B2 (en) | 2004-08-24 |
CN1335986A (zh) | 2002-02-13 |
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