DE68925254T2 - Generator für die zweite Harmonische und denselben benutzendes Informationssystem - Google Patents

Generator für die zweite Harmonische und denselben benutzendes Informationssystem

Info

Publication number
DE68925254T2
DE68925254T2 DE68925254T DE68925254T DE68925254T2 DE 68925254 T2 DE68925254 T2 DE 68925254T2 DE 68925254 T DE68925254 T DE 68925254T DE 68925254 T DE68925254 T DE 68925254T DE 68925254 T2 DE68925254 T2 DE 68925254T2
Authority
DE
Germany
Prior art keywords
information system
same information
harmonic generator
harmonic
generator
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
DE68925254T
Other languages
English (en)
Other versions
DE68925254D1 (de
Inventor
Kimio Tatsuno
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Application granted granted Critical
Publication of DE68925254D1 publication Critical patent/DE68925254D1/de
Publication of DE68925254T2 publication Critical patent/DE68925254T2/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
    • G11B7/135—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
    • 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
    • G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
    • G02B6/122—Basic optical elements, e.g. light-guiding paths
    • 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
    • G02B6/26—Optical coupling means
    • G02B6/34—Optical coupling means utilising prism or grating
    • 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
    • G02B6/4206—Optical features
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/35—Non-linear optics
    • G02F1/37—Non-linear optics for second-harmonic generation
    • G02F1/377—Non-linear optics for second-harmonic generation in an optical waveguide structure
    • 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
    • G11B7/1376—Collimator lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/35—Non-linear optics
    • G02F1/37—Non-linear optics for second-harmonic generation
    • G02F1/372—Means for homogenizing the output beam
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/35—Non-linear optics
    • G02F1/37—Non-linear optics for second-harmonic generation
    • G02F1/374—Cherenkov radiation
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/35—Non-linear optics
    • G02F1/37—Non-linear optics for second-harmonic generation
    • G02F1/377—Non-linear optics for second-harmonic generation in an optical waveguide structure
    • G02F1/383—Non-linear optics for second-harmonic generation in an optical waveguide structure of the optical fibre type

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optical Head (AREA)
  • Semiconductor Lasers (AREA)
  • Lasers (AREA)
  • Optical Recording Or Reproduction (AREA)
DE68925254T 1988-09-19 1989-09-11 Generator für die zweite Harmonische und denselben benutzendes Informationssystem Expired - Fee Related DE68925254T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63232378A JP2738713B2 (ja) 1988-09-19 1988-09-19 第２高調波発生装置

Publications (2)

Publication Number Publication Date
DE68925254D1 DE68925254D1 (de) 1996-02-08
DE68925254T2 true DE68925254T2 (de) 1996-07-25

Family

ID=16938293

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68925254T Expired - Fee Related DE68925254T2 (de) 1988-09-19 1989-09-11 Generator für die zweite Harmonische und denselben benutzendes Informationssystem

Country Status (4)

Country Link
US (1) US4972422A (de)
EP (1) EP0360122B1 (de)
JP (1) JP2738713B2 (de)
DE (1) DE68925254T2 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE68926074T2 (de) * 1988-07-26 1996-08-14 Fuji Photo Film Co Ltd Optische Wellenlängenkonverter-Einrichtung und optisches Wellenlängenkonverter-Modul
US5355246A (en) * 1988-10-12 1994-10-11 Fuji Electric Co., Ltd. Wavelength conversion device
US5109462A (en) * 1989-09-07 1992-04-28 Sharp Kabushiki Kaisha Light wavelength converter
US5117433A (en) * 1989-11-27 1992-05-26 Hitachi, Ltd. Second harmonic generator for obtaining an aberration free plane wave and information processing system using the same
US5854870A (en) * 1990-05-25 1998-12-29 Hitachi, Ltd. Short-wavelength laser light source
JPH04215622A (ja) * 1990-12-14 1992-08-06 Sumitomo Electric Ind Ltd 光源装置
US5293444A (en) * 1990-12-14 1994-03-08 Sumitomo Electric Industries, Ltd. Wavelength converter
US5251060A (en) * 1991-09-30 1993-10-05 Sumitomo Electric Industries, Ltd. Light-source unit
JPH06102545A (ja) * 1992-09-04 1994-04-15 Internatl Business Mach Corp <Ibm> 波長変換装置
DE10102592A1 (de) * 2001-01-20 2002-07-25 Deutsche Telekom Ag Optik zur Einkopplung von Licht aus einer Lichtquelle in ein Medium
US7646546B1 (en) * 2005-06-10 2010-01-12 Cvi Laser, Llc Anamorphic optical system providing a highly polarized laser output
JP2012053450A (ja) * 2010-08-05 2012-03-15 Canon Inc テラヘルツ波発生素子、テラヘルツ波検出素子、テラヘルツ波発生装置、テラヘルツ波検出装置、テラヘルツ波測定装置、及びテラヘルツ波トモグラフィックイメージング装置
JP2012068621A (ja) * 2010-08-24 2012-04-05 Canon Inc テラヘルツ波発生素子、テラヘルツ波検出素子、及びテラヘルツ時間領域分光装置
JP5870509B2 (ja) * 2011-05-30 2016-03-01 ソニー株式会社 光源装置、光学ピックアップ、記録装置
JP5973774B2 (ja) * 2012-04-27 2016-08-23 株式会社アドバンテスト 電磁波放射装置
JP2014029478A (ja) 2012-07-03 2014-02-13 Canon Inc テラヘルツ波発生素子、テラヘルツ波検出素子、及びテラヘルツ時間領域分光装置
JP6456078B2 (ja) 2013-10-09 2019-01-23 キヤノン株式会社 テラヘルツ波発生素子、及び、テラヘルツ波検出素子

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3297875A (en) * 1962-06-28 1967-01-10 Ibm Optical traveling wave parametric devices
JPS6118934A (ja) * 1984-07-05 1986-01-27 Matsushita Electric Ind Co Ltd 光波長変換装置
JPS61189524A (ja) * 1985-02-19 1986-08-23 Matsushita Electric Ind Co Ltd 光波長変換装置
DE3788468T2 (de) * 1986-07-07 1994-03-31 Fuji Photo Film Co Ltd Vorrichtung zur Umwandlung optischer Wellenlängen und Verfahren zu ihrer Herstellung.
JPS6315235A (ja) * 1986-07-08 1988-01-22 Fuji Photo Film Co Ltd 光波長変換素子
JPS6344781A (ja) * 1986-08-11 1988-02-25 Sharp Corp 高調波発生装置
JPH0514538Y2 (de) * 1986-10-08 1993-04-19
US4830447A (en) * 1987-02-13 1989-05-16 Fuji Photo Film Co., Ltd. Optical wavelength conversion device
JPS63199328A (ja) * 1987-02-16 1988-08-17 Fuji Photo Film Co Ltd 光波長変換素子
JPS63261545A (ja) * 1987-04-20 1988-10-28 Pioneer Electronic Corp 光学式ピツクアツプ
JPH0227325A (ja) * 1988-07-15 1990-01-30 Matsushita Electric Ind Co Ltd 光波長変換装置
JPH01287531A (ja) * 1988-05-14 1989-11-20 Sumitomo Electric Ind Ltd 光源装置
DE68926074T2 (de) * 1988-07-26 1996-08-14 Fuji Photo Film Co Ltd Optische Wellenlängenkonverter-Einrichtung und optisches Wellenlängenkonverter-Modul

Also Published As

Publication number Publication date
US4972422A (en) 1990-11-20
EP0360122A3 (de) 1991-02-13
JP2738713B2 (ja) 1998-04-08
DE68925254D1 (de) 1996-02-08
EP0360122A2 (de) 1990-03-28
JPH0281035A (ja) 1990-03-22
EP0360122B1 (de) 1995-12-27

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Legal Events

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