DE1068613T1 - Optische faser mit niedriger doppelbrechung zur benutzung in optischen datenspeicher-systemen - Google Patents

Optische faser mit niedriger doppelbrechung zur benutzung in optischen datenspeicher-systemen

Info

Publication number
DE1068613T1
DE1068613T1 DE1068613T DE99915020T DE1068613T1 DE 1068613 T1 DE1068613 T1 DE 1068613T1 DE 1068613 T DE1068613 T DE 1068613T DE 99915020 T DE99915020 T DE 99915020T DE 1068613 T1 DE1068613 T1 DE 1068613T1
Authority
DE
Germany
Prior art keywords
optical
beam splitter
wave plate
optically coupled
optical fiber
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.)
Pending
Application number
DE1068613T
Other languages
German (de)
English (en)
Inventor
F. Heanue
E. Hurst
Viatcheslav Izraelian
Alexander Tselikov
P. Wilde
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.)
Seagate Technology LLC
Original Assignee
Seagate Technology LLC
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 Seagate Technology LLC filed Critical Seagate Technology LLC
Publication of DE1068613T1 publication Critical patent/DE1068613T1/de
Pending 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
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1384—Fibre optics
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4216—Packages, e.g. shape, construction, internal or external details incorporating polarisation-maintaining fibres
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10532—Heads
    • G11B11/10541—Heads for reproducing
    • G11B11/10543—Heads for reproducing using optical beam of radiation
    • G11B11/10545—Heads for reproducing using optical beam of radiation interacting directly with the magnetisation on the record carrier
    • 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
    • G11B7/1356—Double or multiple prisms, i.e. having two or more prisms in cooperation
    • 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
    • G11B7/1362—Mirrors
    • 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
    • G11B7/1365—Separate or integrated refractive elements, e.g. wave plates
    • 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
    • G11B7/1365—Separate or integrated refractive elements, e.g. wave plates
    • G11B7/1369—Active plates, e.g. liquid crystal panels or electrostrictive elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/25—Arrangements specific to fibre transmission
    • H04B10/2507—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion
    • H04B10/2572—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion due to forms of polarisation-dependent distortion other than PMD
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
    • G02B6/4207—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms with optical elements reducing the sensitivity to optical feedback

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optical Head (AREA)
DE1068613T 1998-03-30 1999-03-26 Optische faser mit niedriger doppelbrechung zur benutzung in optischen datenspeicher-systemen Pending DE1068613T1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US7990398P 1998-03-30 1998-03-30
US8819298P 1998-06-05 1998-06-05
US09/124,812 US6298027B1 (en) 1998-03-30 1998-07-29 Low-birefringence optical fiber for use in an optical data storage system
PCT/US1999/006471 WO1999050842A1 (en) 1998-03-30 1999-03-26 Low-birefringence optical fiber for use in an optical data storage system

Publications (1)

Publication Number Publication Date
DE1068613T1 true DE1068613T1 (de) 2001-09-06

Family

ID=27373568

Family Applications (2)

Application Number Title Priority Date Filing Date
DE1068613T Pending DE1068613T1 (de) 1998-03-30 1999-03-26 Optische faser mit niedriger doppelbrechung zur benutzung in optischen datenspeicher-systemen
DE69907897T Expired - Fee Related DE69907897T2 (de) 1998-03-30 1999-03-26 Optische faser mit niedriger doppelbrechung zur benutzung in optischen datenspeicher-systemen

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69907897T Expired - Fee Related DE69907897T2 (de) 1998-03-30 1999-03-26 Optische faser mit niedriger doppelbrechung zur benutzung in optischen datenspeicher-systemen

Country Status (7)

Country Link
US (2) US6298027B1 (enExample)
EP (1) EP1068613B1 (enExample)
JP (1) JP4327354B2 (enExample)
KR (1) KR100388540B1 (enExample)
CN (1) CN1150533C (enExample)
DE (2) DE1068613T1 (enExample)
WO (1) WO1999050842A1 (enExample)

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WO2004003891A1 (en) * 2002-06-28 2004-01-08 Seagate Technology Llc Heat assisted magnetic recording head with a planar waveguide
AU2003218264A1 (en) * 2002-09-30 2004-04-23 Seagate Technology Llc Planar waveguide for heat assisted magnetic recording
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US9535211B2 (en) 2011-12-01 2017-01-03 Raytheon Company Method and apparatus for fiber delivery of high power laser beams
US8675694B2 (en) 2012-02-16 2014-03-18 Raytheon Company Multi-media raman resonators and related system and method
US8983259B2 (en) 2012-05-04 2015-03-17 Raytheon Company Multi-function beam delivery fibers and related system and method
EP2954354A4 (en) * 2013-02-08 2016-01-27 Raytheon Co METHOD AND APPARATUS FOR OPERATING A RECTANGULAR LASER BEAM EMIT FIBER PROVIDING TWO DEGREES OF FREEDOM IN THE ORTHOGONAL CROSSBOW

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Also Published As

Publication number Publication date
KR20010042352A (ko) 2001-05-25
KR100388540B1 (ko) 2003-06-25
CN1150533C (zh) 2004-05-19
DE69907897T2 (de) 2004-05-19
JP2002510116A (ja) 2002-04-02
US6298027B1 (en) 2001-10-02
EP1068613B1 (en) 2003-05-14
CN1296615A (zh) 2001-05-23
US6529464B2 (en) 2003-03-04
DE69907897D1 (de) 2003-06-18
JP4327354B2 (ja) 2009-09-09
US20020027865A1 (en) 2002-03-07
EP1068613A1 (en) 2001-01-17
WO1999050842A1 (en) 1999-10-07

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