AU2002227054A1 - Optical configuration for focus sensing - Google Patents

Optical configuration for focus sensing

Info

Publication number
AU2002227054A1
AU2002227054A1 AU2002227054A AU2705402A AU2002227054A1 AU 2002227054 A1 AU2002227054 A1 AU 2002227054A1 AU 2002227054 A AU2002227054 A AU 2002227054A AU 2705402 A AU2705402 A AU 2705402A AU 2002227054 A1 AU2002227054 A1 AU 2002227054A1
Authority
AU
Australia
Prior art keywords
optical configuration
focus sensing
focus
sensing
optical
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.)
Abandoned
Application number
AU2002227054A
Inventor
Edward Alan Phillips
Newell Convers Wyeth
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.)
Science Applications International Corp SAIC
Original Assignee
Science Applications International Corp SAIC
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
Priority claimed from US09/995,630 external-priority patent/US6614957B2/en
Application filed by Science Applications International Corp SAIC filed Critical Science Applications International Corp SAIC
Publication of AU2002227054A1 publication Critical patent/AU2002227054A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/14Heads, e.g. forming of the optical beam spot or modulation of the optical beam specially adapted to record on, or to reproduce from, more than one track simultaneously
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/435Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material
    • B41J2/44Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using single radiation source per colour, e.g. lighting beams or shutter arrangements
    • B41J2/442Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using single radiation source per colour, e.g. lighting beams or shutter arrangements using lasers
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/10Scanning systems
    • G02B26/12Scanning systems using multifaceted mirrors
    • G02B26/123Multibeam scanners, e.g. using multiple light sources or beam splitters
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/26Optical coupling means
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/26Optical coupling means
    • G02B6/32Optical coupling means having lens focusing means positioned between opposed fibre ends
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0908Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for focusing only
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/123Integrated head arrangements, e.g. with source and detectors mounted on the same substrate
    • G11B7/124Integrated head arrangements, e.g. with source and detectors mounted on the same substrate the integrated head arrangements including waveguides
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1384Fibre optics
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/024Details of scanning heads ; Means for illuminating the original
    • H04N1/028Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • H04N1/0281Details of scanning heads ; Means for illuminating the original for picture information pick-up with means for collecting light from a line or an area of the original and for guiding it to only one or a relatively low number of picture element detectors
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B2006/0098Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings for scanning
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/42Coupling light guides with opto-electronic elements
    • G02B6/4201Packages, e.g. shape, construction, internal or external details
    • G02B6/4219Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
    • G02B6/422Active alignment, i.e. moving the elements in response to the detected degree of coupling or position of the elements
    • G02B6/4221Active alignment, i.e. moving the elements in response to the detected degree of coupling or position of the elements involving a visual detection of the position of the elements, e.g. by using a microscope or a camera
    • G02B6/4224Active alignment, i.e. moving the elements in response to the detected degree of coupling or position of the elements involving a visual detection of the position of the elements, e.g. by using a microscope or a camera using visual alignment markings, e.g. index methods
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/42Coupling light guides with opto-electronic elements
    • G02B6/4201Packages, e.g. shape, construction, internal or external details
    • G02B6/4249Packages, e.g. shape, construction, internal or external details comprising arrays of active devices and fibres
    • G02B6/425Optical features

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Lenses (AREA)
  • Optical Recording Or Reproduction (AREA)
AU2002227054A 2000-12-08 2001-11-30 Optical configuration for focus sensing Abandoned AU2002227054A1 (en)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
US25186300P 2000-12-08 2000-12-08
US25187800P 2000-12-08 2000-12-08
US60/251,878 2000-12-08
US60/251,863 2000-12-08
US94259101A 2001-08-31 2001-08-31
US09/942,591 2001-08-31
US09/995,630 US6614957B2 (en) 2000-12-08 2001-11-29 Optical configuration for improved lens performance
US09/, 2001-11-29
PCT/US2001/044926 WO2002046800A2 (en) 2000-12-08 2001-11-30 Optical configuration for focus sensing

Publications (1)

Publication Number Publication Date
AU2002227054A1 true AU2002227054A1 (en) 2002-06-18

Family

ID=27500408

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002227054A Abandoned AU2002227054A1 (en) 2000-12-08 2001-11-30 Optical configuration for focus sensing

Country Status (2)

Country Link
AU (1) AU2002227054A1 (en)
WO (2) WO2002059667A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2865548A1 (en) * 2004-01-27 2005-07-29 Commissariat Energie Atomique Opto-mechanical device for e.g. micro-endoscope, has central fixed optical guide and movable support with two optical guides, where fixed guide and one movable guide are aligned corresponding to propagation axis of light beams

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63130720U (en) * 1987-02-17 1988-08-26
US5289454A (en) * 1991-12-19 1994-02-22 Minnesota Mining And Manufacturing Company Optical disc addressing devices a method of use thereof
US5278812A (en) * 1992-02-18 1994-01-11 At&T Bell Laboratories Tracking and focussing functions in optical disk apparatus
US6215593B1 (en) * 1996-11-13 2001-04-10 Ian A. Bruce Portable wide-field optical system with microlenses and fiber-optic image transfer element

Also Published As

Publication number Publication date
WO2002046800A3 (en) 2003-04-10
WO2002046800A2 (en) 2002-06-13
WO2002059667A1 (en) 2002-08-01

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