DE60207610D1 - Objektivlinse für optische datenträger - Google Patents

Objektivlinse für optische datenträger

Info

Publication number
DE60207610D1
DE60207610D1 DE60207610T DE60207610T DE60207610D1 DE 60207610 D1 DE60207610 D1 DE 60207610D1 DE 60207610 T DE60207610 T DE 60207610T DE 60207610 T DE60207610 T DE 60207610T DE 60207610 D1 DE60207610 D1 DE 60207610D1
Authority
DE
Germany
Prior art keywords
sub
lens
shaped
optical carrier
opposing
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
DE60207610T
Other languages
English (en)
Other versions
DE60207610T2 (de
Inventor
H Hendriks
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Application granted granted Critical
Publication of DE60207610D1 publication Critical patent/DE60207610D1/de
Publication of DE60207610T2 publication Critical patent/DE60207610T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G11B7/125—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
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
    • 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
    • G02B3/04—Simple or compound lenses with non-spherical faces with continuous faces that are rotationally symmetrical but deviate from a true sphere, e.g. so called "aspheric" 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
    • G11B7/1372—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
    • 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
    • G11B2007/0009—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage
    • G11B2007/0013—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage for carriers having multiple discrete layers
DE60207610T 2001-12-21 2002-12-09 Objektivlinse für optische datenträger Expired - Fee Related DE60207610T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP01205145 2001-12-21
EP01205145 2001-12-21
PCT/IB2002/005317 WO2003054591A1 (en) 2001-12-21 2002-12-09 Objective lens for scanning optical disks (dvds)

Publications (2)

Publication Number Publication Date
DE60207610D1 true DE60207610D1 (de) 2005-12-29
DE60207610T2 DE60207610T2 (de) 2006-08-10

Family

ID=8181538

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60207610T Expired - Fee Related DE60207610T2 (de) 2001-12-21 2002-12-09 Objektivlinse für optische datenträger

Country Status (9)

Country Link
US (1) US6995929B2 (de)
EP (1) EP1459108B1 (de)
JP (1) JP2005513701A (de)
KR (1) KR20040071229A (de)
CN (1) CN1253729C (de)
AT (1) ATE310964T1 (de)
AU (1) AU2002366889A1 (de)
DE (1) DE60207610T2 (de)
WO (1) WO2003054591A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7149040B2 (en) * 2002-08-05 2006-12-12 Koninklijke Philips Electronics N.V. Scanning device including an objective lens formed of two materials
CN100454074C (zh) * 2002-12-10 2009-01-21 旭硝子株式会社 光信息记录媒体用的物镜
EP1975931A1 (de) 2005-12-28 2008-10-01 Matsushita Electric Industrial Co., Ltd. Objektivlinse, optischer kopf und optische disk-anordnung
US7778139B2 (en) * 2006-10-17 2010-08-17 Hoya Corporation Optical information recording/reproducing device and objective lens for the same
WO2013048671A1 (en) * 2011-09-30 2013-04-04 Los Alamos National Security, Llc Polarization tracking system for free-space optical communication, including quantum communication

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2641514B2 (ja) * 1988-07-05 1997-08-13 オリンパス光学工業株式会社 単群対物レンズ
JP3932578B2 (ja) * 1996-10-24 2007-06-20 ソニー株式会社 対物レンズ及び光学ピックアップ装置
TW504582B (en) * 1999-09-01 2002-10-01 Konishiroku Photo Ind Objective lens for pickup and light pickup apparatus
US6515955B2 (en) * 2000-04-14 2003-02-04 Pentax Corporation Objective optical system for optical pick-up

Also Published As

Publication number Publication date
AU2002366889A1 (en) 2003-07-09
DE60207610T2 (de) 2006-08-10
CN1606703A (zh) 2005-04-13
ATE310964T1 (de) 2005-12-15
US20050083580A1 (en) 2005-04-21
US6995929B2 (en) 2006-02-07
CN1253729C (zh) 2006-04-26
EP1459108A1 (de) 2004-09-22
EP1459108B1 (de) 2005-11-23
KR20040071229A (ko) 2004-08-11
JP2005513701A (ja) 2005-05-12
WO2003054591A1 (en) 2003-07-03

Similar Documents

Publication Publication Date Title
MY128029A (en) Ophthalmic lenses with reduced chromatic blur
KR20080042019A (ko) 광픽업 렌즈
TW200602666A (en) Single focus lens
DE60105212D1 (de) Kunststofflinsen für Brillen
DE60044473D1 (de) Optische Lesekopfvorrichtung
RU97117463A (ru) Линза объектива и устройство оптического датчика с линзой объектива
BR0214095A (pt) Processo para fabricação de lentes multifocais
DE50200705D1 (de) Hochaperturiges objektiv
TW200632376A (en) Single focus lens
DE60207610D1 (de) Objektivlinse für optische datenträger
ATE309554T1 (de) Objektivlinse
JPS62119512A (ja) 光デイスク用レンズ
ATE384275T1 (de) Aus synthetischem harz hergestellte linse und verfahren zur herstellung derselben
FR2777008B1 (fr) Composition polymerisable pour la fabrication de lentille optique a haut indice de refraction et haut nombre d'abbe, et lentille obtenue
CA1047811A (en) Three element eyepiece with magnification of 12x
MY149826A (en) Objective lens for optical pick-up
RU2005123148A (ru) Оптическая система фокусирования света, устройство оптической головки, а также оптическое устройство записи и воспроизведения, в котором используется оптическая система фокусирования света
ATE554412T1 (de) Optische kunststofffasern und prozesse zu ihrer herstellung
KR960042189A (ko) 변배 파인더
JPH08146291A (ja) 内視鏡用対物レンズ
JPH05127078A (ja) 光ピツクアツプの対物レンズ
ATE412239T1 (de) Optische linsenbaugruppe
RU2002133082A (ru) Окуляр
DE69937102D1 (de) Vorrichtung zur optischen abtastung eines aufzeichnungsträgers
EP1394787A3 (de) Optische Platte und optisches Plattengerät

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee