JP4297099B2 - 光ピックアップ及び光ディスク装置 - Google Patents

光ピックアップ及び光ディスク装置 Download PDF

Info

Publication number
JP4297099B2
JP4297099B2 JP2005231274A JP2005231274A JP4297099B2 JP 4297099 B2 JP4297099 B2 JP 4297099B2 JP 2005231274 A JP2005231274 A JP 2005231274A JP 2005231274 A JP2005231274 A JP 2005231274A JP 4297099 B2 JP4297099 B2 JP 4297099B2
Authority
JP
Japan
Prior art keywords
optical
wavelength
light
light beam
diffractive
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
Application number
JP2005231274A
Other languages
English (en)
Japanese (ja)
Other versions
JP2007048374A (ja
Inventor
政宏 齊藤
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Priority to JP2005231274A priority Critical patent/JP4297099B2/ja
Priority to TW095127812A priority patent/TW200741682A/zh
Priority to US11/495,740 priority patent/US7729228B2/en
Priority to CNB200610114868XA priority patent/CN100454049C/zh
Publication of JP2007048374A publication Critical patent/JP2007048374A/ja
Application granted granted Critical
Publication of JP4297099B2 publication Critical patent/JP4297099B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/4233—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive element [DOE] contributing to a non-imaging application
    • G02B27/4238—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive element [DOE] contributing to a non-imaging application in optical recording or readout devices
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/4294—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect in multispectral systems, e.g. UV and visible
    • 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
    • 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)
  • Spectroscopy & Molecular Physics (AREA)
  • Optical Head (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
JP2005231274A 2005-08-09 2005-08-09 光ピックアップ及び光ディスク装置 Expired - Fee Related JP4297099B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2005231274A JP4297099B2 (ja) 2005-08-09 2005-08-09 光ピックアップ及び光ディスク装置
TW095127812A TW200741682A (en) 2005-08-09 2006-07-28 Optical pickup and optical disk drive
US11/495,740 US7729228B2 (en) 2005-08-09 2006-07-31 Optical pickup and optical disc apparatus
CNB200610114868XA CN100454049C (zh) 2005-08-09 2006-08-09 光学拾取器和光盘装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005231274A JP4297099B2 (ja) 2005-08-09 2005-08-09 光ピックアップ及び光ディスク装置

Publications (2)

Publication Number Publication Date
JP2007048374A JP2007048374A (ja) 2007-02-22
JP4297099B2 true JP4297099B2 (ja) 2009-07-15

Family

ID=37721917

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005231274A Expired - Fee Related JP4297099B2 (ja) 2005-08-09 2005-08-09 光ピックアップ及び光ディスク装置

Country Status (4)

Country Link
US (1) US7729228B2 (enExample)
JP (1) JP4297099B2 (enExample)
CN (1) CN100454049C (enExample)
TW (1) TW200741682A (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5393020B2 (ja) * 2007-04-26 2014-01-22 株式会社リコー 光ピックアップおよび光情報処理装置
KR101215272B1 (ko) 2010-03-30 2012-12-26 방주광학 주식회사 대용량 광 픽업용 대물렌즈

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003091764A1 (en) 2002-04-18 2003-11-06 Matsushita Electric Industrial Co., Ltd. Optical element, optical head, optical information recording/reproduction device, computer, video recording device, video reproduction device, server, and car navigation system
JP2004152443A (ja) 2002-10-31 2004-05-27 Konica Minolta Holdings Inc 光ピックアップ装置及び対物光学素子
US20040213134A1 (en) * 2003-04-24 2004-10-28 Minolta Co., Ltd. Optical pickup apparatus
JP3966303B2 (ja) 2003-04-24 2007-08-29 コニカミノルタオプト株式会社 回折光学素子及びそれを用いた光ピックアップ装置
JP2005011466A (ja) 2003-06-20 2005-01-13 Victor Co Of Japan Ltd 光ピックアップ装置
JP2005038575A (ja) 2003-06-23 2005-02-10 Konica Minolta Opto Inc 光ピックアップ装置
JP4245995B2 (ja) * 2003-07-02 2009-04-02 株式会社リコー 光ピックアップ及びこれを用いる光情報処理装置
JP2005166173A (ja) * 2003-12-03 2005-06-23 Konica Minolta Opto Inc 光ピックアップ装置及び光情報記録再生装置
TW200532679A (en) * 2004-02-13 2005-10-01 Konica Minolta Opto Inc Optical pickup apparatus and diffractive optical element for optical pickup apparatus
JP2006127714A (ja) 2004-11-01 2006-05-18 Konica Minolta Opto Inc 対物光学系及び光ピックアップ装置

Also Published As

Publication number Publication date
JP2007048374A (ja) 2007-02-22
US20070035837A1 (en) 2007-02-15
CN100454049C (zh) 2009-01-21
US7729228B2 (en) 2010-06-01
TW200741682A (en) 2007-11-01
TWI321320B (enExample) 2010-03-01
CN1913016A (zh) 2007-02-14

Similar Documents

Publication Publication Date Title
EP1041546B1 (en) Compatible optical pickup
CN100447874C (zh) 光学拾取器以及记录和/或再现光学记录介质的设备
JP4329608B2 (ja) 対物レンズ、光ピックアップ装置及び光情報記録再生装置
KR101058859B1 (ko) 광 픽업 및 이것을 이용한 기록 및/또는 재생 장치
JP4465838B2 (ja) 光ピックアップ装置及び対物レンズ
JP2005327338A (ja) 光ピックアップ及びディスク状光学記録媒体記録再生装置
JP2007004875A (ja) 光ピックアップ
JP4297099B2 (ja) 光ピックアップ及び光ディスク装置
KR100546351B1 (ko) 호환형 광픽업 및 이를 채용한 광 기록 및/또는 재생기기
JP2008532081A (ja) 光走査装置
JP4366813B2 (ja) 光ピックアップ装置及び光ピックアップ装置用のカップリングレンズ
JP4329611B2 (ja) 光ピックアップ及び光学記録媒体記録再生装置
JP2006209931A (ja) 集光光学装置、光ピックアップ及び光ディスク装置
JP2004334962A (ja) 光ヘッド及び光記録媒体記録再生装置
JP2006236477A (ja) 光ピックアップ及び光ディスク装置
CN101013583B (zh) 光学头
US7990832B2 (en) Optical pickup including plural light sources and recording and/or reproducing apparatus for an optical recording medium
KR100645621B1 (ko) 2파장용 단일 광검출기를 갖는 광픽업
JP2007048373A (ja) 光ピックアップ及び光ディスク装置
JP2005339762A (ja) 光ピックアップ及び光ディスク装置
JP2006236414A (ja) 光ピックアップ及び光ディスク装置
JP2003121733A (ja) 対物レンズおよび光ピックアップ装置
JP2006004547A (ja) 光ピックアップ及びディスク状光学記録媒体記録再生装置
KR20130062776A (ko) 광디스크 장치 및 그 동작 방법
JP2003331437A (ja) 光ヘッドおよび光ディスク装置

Legal Events

Date Code Title Description
A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20081222

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20090106

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20090302

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20090324

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20090406

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120424

Year of fee payment: 3

LAPS Cancellation because of no payment of annual fees