DE69312667D1 - Strahlformendes optisches Element, Strahlungsquelle und Abtasteinheit mit diesem Element - Google Patents

Strahlformendes optisches Element, Strahlungsquelle und Abtasteinheit mit diesem Element

Info

Publication number
DE69312667D1
DE69312667D1 DE69312667T DE69312667T DE69312667D1 DE 69312667 D1 DE69312667 D1 DE 69312667D1 DE 69312667 T DE69312667 T DE 69312667T DE 69312667 T DE69312667 T DE 69312667T DE 69312667 D1 DE69312667 D1 DE 69312667D1
Authority
DE
Germany
Prior art keywords
radiation source
scanning unit
shaping optical
optical element
section
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
DE69312667T
Other languages
English (en)
Other versions
DE69312667T2 (de
Inventor
Josephus Johannes Maria Braat
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
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 Philips Electronics NV filed Critical Philips Electronics NV
Publication of DE69312667D1 publication Critical patent/DE69312667D1/de
Application granted granted Critical
Publication of DE69312667T2 publication Critical patent/DE69312667T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
    • G02B19/0009—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having refractive surfaces only
    • G02B19/0014—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having refractive surfaces only at least one surface having optical power
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
    • G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
    • G02B19/0052—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a laser diode
    • 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
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • 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
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0938—Using specific optical elements
    • G02B27/095—Refractive optical elements
    • G02B27/0955—Lenses
    • G02B27/0966—Cylindrical lenses
    • 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
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0938—Using specific optical elements
    • G02B27/095—Refractive optical elements
    • G02B27/0972—Prisms
    • 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
    • G11B7/1381—Non-lens elements for altering the properties of the beam, e.g. knife edges, slits, filters or stops
    • 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
    • G11B7/1398—Means for shaping the cross-section of the beam, e.g. into circular or elliptical cross-section
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/02—Structural details or components not essential to laser action
    • H01S5/022—Mountings; Housings
    • H01S5/02208—Mountings; Housings characterised by the shape of the housings
    • H01S5/02212—Can-type, e.g. TO-CAN housings with emission along or parallel to symmetry axis
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/02—Structural details or components not essential to laser action
    • H01S5/022—Mountings; Housings
    • H01S5/0225—Out-coupling of light
    • H01S5/02253—Out-coupling of light using lenses
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/02—Structural details or components not essential to laser action
    • H01S5/022—Mountings; Housings
    • H01S5/023—Mount members, e.g. sub-mount members
    • H01S5/02325—Mechanically integrated components on mount members or optical micro-benches
DE69312667T 1993-01-04 1993-12-24 Strahlformendes optisches Element, Strahlungsquelle und Abtasteinheit mit diesem Element Expired - Fee Related DE69312667T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP93200005 1993-01-04

Publications (2)

Publication Number Publication Date
DE69312667D1 true DE69312667D1 (de) 1997-09-04
DE69312667T2 DE69312667T2 (de) 1998-02-12

Family

ID=8213549

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69312667T Expired - Fee Related DE69312667T2 (de) 1993-01-04 1993-12-24 Strahlformendes optisches Element, Strahlungsquelle und Abtasteinheit mit diesem Element

Country Status (7)

Country Link
US (1) US5467335A (de)
EP (1) EP0605923B1 (de)
JP (1) JP3566979B2 (de)
CN (1) CN1047445C (de)
AT (1) ATE156275T1 (de)
DE (1) DE69312667T2 (de)
TW (1) TW243520B (de)

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US6543911B1 (en) * 2000-05-08 2003-04-08 Farlight Llc Highly efficient luminaire having optical transformer providing precalculated angular intensity distribution and method therefore
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US7196979B2 (en) 2001-01-25 2007-03-27 Dphi Acquisitions, Inc. Calibration storage methods for a digital focus and tracking servo system with calibration
US6950380B2 (en) * 2001-01-25 2005-09-27 Dphi Acquisitions, Inc. Detector input dark current offset calibration in an optical disk drive digital servo
US7782721B2 (en) * 2001-01-25 2010-08-24 Dphi Acquisitions, Inc. Digital focus and tracking servo system with multi-zone calibration
US6958957B2 (en) * 2001-01-25 2005-10-25 Dphi Acquisitions, Inc. Digital tracking and focus servo system with TES to FES crosstalk calibration
US6970403B2 (en) * 2001-01-25 2005-11-29 Dphi Acquisition, Inc. Calibration of tracking error signal offset in a tracking servo system
US6930963B2 (en) 2001-01-25 2005-08-16 Dphi Acquistions, Inc. Tracking and focus servo system with head load
US7023776B2 (en) * 2001-01-25 2006-04-04 Dphi Acquisitions, Inc. Calibration initiation methods for a tracking and focus servo system
US6762980B2 (en) 2001-01-25 2004-07-13 Dphi Acquisitions, Inc. Digital tracking servo system with a multi-track seeking and accelerated servo function for regaining a closed tracking loop
US6809995B2 (en) 2001-01-25 2004-10-26 Dphi Acquisitions, Inc. Digital focus and tracking servo system
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US7020054B2 (en) * 2001-01-25 2006-03-28 Dphi Acquisitions, Inc. Digital servo system with biased feed-forward
US6882603B2 (en) 2001-01-25 2005-04-19 Dphi Acquisitions, Inc. Digital tracking servo system with tracking skate detection
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US6904007B2 (en) * 2001-01-25 2005-06-07 Dphi Acquisitions, Inc. Digital servo system with loop gain calibration
US6704261B2 (en) 2001-01-25 2004-03-09 Dphi Acquisitions, Inc. Spin motor control in an optical drive
US7414940B2 (en) 2001-01-25 2008-08-19 Dphi Acquisitions, Inc. Calibration of a focus error signal gain in a focus servo system
US6956797B2 (en) * 2001-01-25 2005-10-18 Dphi Acquisitions, Inc. Digital servo system with error signal integrity testing
US6738320B2 (en) 2001-01-25 2004-05-18 Dphi Acquisitions, Inc. System and method for moving optical pick up from current position to target position with smooth control
US6882601B2 (en) 2001-01-25 2005-04-19 Dphi Acquisitions, Inc. Digital servo system with feed-forward control loops
US6898164B2 (en) * 2001-01-25 2005-05-24 Dphi Acquisitions, Inc. Close tracking algorithm in a digital tracking servo system
US6891789B2 (en) * 2001-01-25 2005-05-10 Dphi Acquisitions, Inc. Tracking and focus servo system with automatic media type detector
US7095683B2 (en) * 2001-01-25 2006-08-22 Dphi Acquisitions, Inc. Tracking and focus digital servo system with write abort
US7492675B2 (en) * 2001-01-25 2009-02-17 Dphi Acquisitions, Inc. Digital servo system with calibrated notch filters
US6847596B2 (en) 2001-01-25 2005-01-25 Dphi Acquisitions, Inc. Tracking servo system including a multi-track seek algorithm with a track zero crossing period integrity test
US6937543B2 (en) 2001-01-25 2005-08-30 Dphi Acquisitions, Inc. Digital focus servo system with a sliding notch filter
US6922380B2 (en) 2001-01-25 2005-07-26 Dphi Acquisitions, Inc. Tracking and focus servo system with anti-skate algorithm
US6813226B2 (en) 2001-01-25 2004-11-02 Dphi Acquisitions, Inc. Calibration of a focus sum threshold in a focus servo system
US6906985B2 (en) 2001-01-25 2005-06-14 Dphi Acquisitions, Inc. Calibration of tracking error signal gain in a tracking servo system
US6781929B2 (en) 2001-01-25 2004-08-24 Dphi Acquisitions, Inc. Digital tracking servo system with multi-track seek
US7593300B2 (en) 2001-01-25 2009-09-22 Dphi Acquisitions, Inc. Digital tracking servo system with off-format detection
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US7016280B2 (en) * 2001-01-25 2006-03-21 Dphi Acquisitions, Inc. Tracking and focus servo system with defect detection
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US7680004B2 (en) * 2001-01-25 2010-03-16 Dphi Acquisitions, Inc. Digital servo system with inverse non-linearity compensation
US6885619B2 (en) 2001-01-25 2005-04-26 Dphi Acquisitions, Inc. Detector input stray light offset calibration in an optical disk drive
US7260031B2 (en) 2001-01-25 2007-08-21 Dphi Acquisitions, Inc. Digital focus and tracking servo system with one-track jump
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JP5017798B2 (ja) * 2005-04-20 2012-09-05 コニカミノルタアドバンストレイヤー株式会社 ピックアップ光学系に用いられる整形素子を成形する成形装置および該装置により製造された整形素子
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JP6165366B1 (ja) 2016-04-28 2017-07-19 三菱電機株式会社 平行光発生装置
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Also Published As

Publication number Publication date
JP3566979B2 (ja) 2004-09-15
US5467335A (en) 1995-11-14
CN1091525A (zh) 1994-08-31
TW243520B (de) 1995-03-21
DE69312667T2 (de) 1998-02-12
ATE156275T1 (de) 1997-08-15
EP0605923A1 (de) 1994-07-13
EP0605923B1 (de) 1997-07-30
CN1047445C (zh) 1999-12-15
JPH06294940A (ja) 1994-10-21

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8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N

8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee