CN1230700C - 用于光拾取器的物镜 - Google Patents
用于光拾取器的物镜 Download PDFInfo
- Publication number
- CN1230700C CN1230700C CNB021067899A CN02106789A CN1230700C CN 1230700 C CN1230700 C CN 1230700C CN B021067899 A CNB021067899 A CN B021067899A CN 02106789 A CN02106789 A CN 02106789A CN 1230700 C CN1230700 C CN 1230700C
- Authority
- CN
- China
- Prior art keywords
- diffraction
- wavelength
- light
- object lens
- lens structure
- 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
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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
- G11B7/1353—Diffractive elements, e.g. holograms or gratings
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
-
- 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
- G11B7/135—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
- 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
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Optical Head (AREA)
- Lenses (AREA)
Abstract
Description
波长 | 657nm | 790nm | |
折射率 | 1.54056 | 1.53653 | |
光程差比率 | 1.999 | 1.650 | |
衍射效率 | 0级 | 0.0000 | 0.0295 |
1级 | 0.0000 | 0.1900 | |
2级 | 1.0000 | 0.6572 | |
3级 | 0.0000 | 0.0441 | |
4级 | 0.0000 | 0.0146 | |
5级 | 0.0000 | 0.0072 | |
6级 | 0.0000 | 0.0042 | |
7级 | 0.0000 | 0.0028 | |
8级 | 0.0000 | 0.0020 | |
9级 | 0.0000 | 0.0015 | |
10级 | 0.0000 | 0.0012 | |
合计 | 1.0000 | 0.9542 |
波长 | 657nm | 790nm | |
折射率 | 1.54056 | 1.53653 | |
光程差比率 | 1.000 | 0.825 | |
衍射效率 | 0级 | 0.0000 | 0.0406 |
1级 | 1.0000 | 0.9034 | |
2级 | 0.0000 | 0.0200 | |
3级 | 0.0000 | 0.0058 | |
4级 | 0.0000 | 0.0027 | |
5级 | 0.0000 | 0.0016 | |
6级 | 0.0000 | 0.0010 | |
7级 | 0.0000 | 0.0007 | |
8级 | 0.0000 | 0.0005 | |
9级 | 0.0000 | 0.0004 | |
10级 | 0.0000 | 0.0003 | |
合计 | 1.0000 | 0.9772 |
波长 | 657nm | 790nm | |
折射率 | 1.54056 | 1.53653 | |
光程差比率 | 2.999 | 2.476 | |
衍射效率 | 0级 | 0.0000 | 0.0164 |
1级 | 0.0000 | 0.0463 | |
2级 | 0.0000 | 0.4455 | |
3级 | 1.0000 | 0.3661 | |
4级 | 0.0000 | 0.0433 | |
5级 | 0.0000 | 0.0158 | |
6级 | 0.0000 | 0.0081 | |
7级 | 0.0000 | 0.0049 | |
8级 | 0.0000 | 0.0033 | |
9级 | 0.0000 | 0.0024 | |
10级 | 0.0000 | 0.0018 | |
合计 | 1.0000 | 0.9539 |
Claims (11)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP67319/2001 | 2001-03-09 | ||
JP2001067319 | 2001-03-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1374543A CN1374543A (zh) | 2002-10-16 |
CN1230700C true CN1230700C (zh) | 2005-12-07 |
Family
ID=18925692
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB021067899A Expired - Fee Related CN1230700C (zh) | 2001-03-09 | 2002-03-08 | 用于光拾取器的物镜 |
Country Status (5)
Country | Link |
---|---|
US (1) | US6873590B2 (zh) |
KR (1) | KR20020072227A (zh) |
CN (1) | CN1230700C (zh) |
DE (1) | DE10210237A1 (zh) |
TW (1) | TW524990B (zh) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2003207160A1 (en) * | 2002-03-06 | 2003-09-16 | Matsushita Electric Industrial Co., Ltd. | Optical head device and optical information device using this, and computer, optical disk player, car navigation system, optical disy recorder and optical disk server using this optical information device |
WO2004032127A2 (en) * | 2002-09-30 | 2004-04-15 | Konica Minolta Holdings, Inc. | Optical element, objective optical element and optical pickup device |
CN100538836C (zh) * | 2002-10-18 | 2009-09-09 | 柯尼卡美能达精密光学株式会社 | 光拾取器装置用光学元件、中继透镜以及光拾取器装置 |
JP4488334B2 (ja) | 2003-01-09 | 2010-06-23 | Hoya株式会社 | 光ディスク用対物レンズ |
JP4148509B2 (ja) * | 2003-03-03 | 2008-09-10 | Hoya株式会社 | 光ディスク用対物レンズ |
JP2004326858A (ja) * | 2003-04-22 | 2004-11-18 | Konica Minolta Opto Inc | 光ピックアップ装置及び光ピックアップ装置用光学系 |
EP1471514A3 (en) * | 2003-04-22 | 2006-10-04 | Konica Minolta Opto, Inc. | Optical pickup device, optical information recording and reproducing apparatus, expander lens, coupling lens and chromatic aberration correcting optical element |
CN100407313C (zh) * | 2003-04-25 | 2008-07-30 | 宾得株式会社 | 光学拾波器的光学系统 |
WO2005008777A1 (ja) * | 2003-07-22 | 2005-01-27 | Nec Corporation | 多電源半導体装置 |
JP4349520B2 (ja) * | 2003-10-27 | 2009-10-21 | フジノン株式会社 | 光記録媒体用対物光学系およびこれを用いた光ピックアップ装置 |
WO2005083694A1 (ja) * | 2004-02-27 | 2005-09-09 | Konica Minolta Opto, Inc. | 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 |
US20080062242A1 (en) * | 2006-09-12 | 2008-03-13 | Hewlett-Packard Development Company, L.P. | Optical print head with non-Gaussian irradiance |
US7301879B1 (en) | 2006-09-12 | 2007-11-27 | Hewlett-Packard Development Company, L.P. | Optical print head |
JPWO2012014423A1 (ja) * | 2010-07-26 | 2013-09-12 | パナソニック株式会社 | 対物レンズ、光学ヘッド、光ディスク装置及び情報処理装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4323971C2 (de) | 1992-07-16 | 2002-11-07 | Asahi Optical Co Ltd | Schreib-/Lesegerät für eine optische Speicherplatte |
US6088322A (en) | 1998-05-07 | 2000-07-11 | Broome; Barry G. | Single objective lens for use with CD or DVD optical disks |
JP3385213B2 (ja) | 1998-05-29 | 2003-03-10 | ペンタックス株式会社 | 光ヘッド用対物レンズ |
WO2000000964A1 (en) | 1998-06-26 | 2000-01-06 | Asahi Kogaku Kogyo Kabushiki Kaisha | Objective lens for optical pick-up |
ATE291269T1 (de) | 1999-01-22 | 2005-04-15 | Konica Minolta Opto Inc | Optische abtastvorrichtung, aufzeichnungs- /- wiedergabegerät mit dieser optischen abtastvorrichtung, optisches element und verfahren zur informationsaufzeichnung /- wiedergabe |
JP2000260049A (ja) | 1999-03-08 | 2000-09-22 | Asahi Optical Co Ltd | 光ディスク装置の光学系 |
JP2000311379A (ja) * | 1999-04-23 | 2000-11-07 | Asahi Optical Co Ltd | 光ディスク装置 |
CN1221956C (zh) | 1999-11-18 | 2005-10-05 | 柯尼卡株式会社 | 光拾取装置及物镜 |
JP4088949B2 (ja) | 2000-03-24 | 2008-05-21 | コニカミノルタホールディングス株式会社 | 対物レンズおよび光ピックアップ装置 |
-
2002
- 2002-03-05 US US10/087,832 patent/US6873590B2/en not_active Expired - Lifetime
- 2002-03-07 TW TW091104251A patent/TW524990B/zh not_active IP Right Cessation
- 2002-03-08 KR KR1020020012392A patent/KR20020072227A/ko not_active Application Discontinuation
- 2002-03-08 CN CNB021067899A patent/CN1230700C/zh not_active Expired - Fee Related
- 2002-03-08 DE DE10210237A patent/DE10210237A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
US20020172132A1 (en) | 2002-11-21 |
DE10210237A1 (de) | 2002-10-02 |
CN1374543A (zh) | 2002-10-16 |
TW524990B (en) | 2003-03-21 |
US6873590B2 (en) | 2005-03-29 |
KR20020072227A (ko) | 2002-09-14 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
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Effective date of registration: 20081024 Address after: Japan Tokyo Shinjuku fall two chome 7 No. 5 Patentee after: HOYA Corporation Address before: Tokyo, Japan Patentee before: Pentax Co., Ltd. |
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C41 | Transfer of patent application or patent right or utility model | ||
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Effective date of registration: 20160205 Address after: Tokyo, Japan, Japan Patentee after: Konica Minolta Opto, Inc. Address before: Japan Tokyo Shinjuku fall two chome 7 No. 5 Patentee before: HOYA Corporation |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20051207 Termination date: 20210308 |
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CF01 | Termination of patent right due to non-payment of annual fee |