DE3220216C2 - Optisches System für einen Halbleiter-Laser - Google Patents

Optisches System für einen Halbleiter-Laser

Info

Publication number
DE3220216C2
DE3220216C2 DE3220216A DE3220216A DE3220216C2 DE 3220216 C2 DE3220216 C2 DE 3220216C2 DE 3220216 A DE3220216 A DE 3220216A DE 3220216 A DE3220216 A DE 3220216A DE 3220216 C2 DE3220216 C2 DE 3220216C2
Authority
DE
Germany
Prior art keywords
semiconductor laser
light
astigmatism
lens
laser
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
Application number
DE3220216A
Other languages
German (de)
English (en)
Other versions
DE3220216A1 (de
Inventor
Akira Musashimurayama Arimoto
Kimio Kokubunji 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=13735665&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3220216(C2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of DE3220216A1 publication Critical patent/DE3220216A1/de
Application granted granted Critical
Publication of DE3220216C2 publication Critical patent/DE3220216C2/de
Expired 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/435—Typewriters 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
    • B41J2/44—Typewriters 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
    • B41J2/442—Typewriters 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • 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
    • G02B27/18—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical projection, e.g. combination of mirror and condenser and objective
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Semiconductor Lasers (AREA)
  • Optical Head (AREA)
  • Lenses (AREA)
DE3220216A 1981-05-29 1982-05-28 Optisches System für einen Halbleiter-Laser Expired DE3220216C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56081053A JPS57196212A (en) 1981-05-29 1981-05-29 Optical system for semiconductor laser

Publications (2)

Publication Number Publication Date
DE3220216A1 DE3220216A1 (de) 1983-01-20
DE3220216C2 true DE3220216C2 (de) 1985-07-11

Family

ID=13735665

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3220216A Expired DE3220216C2 (de) 1981-05-29 1982-05-28 Optisches System für einen Halbleiter-Laser

Country Status (4)

Country Link
US (1) US4564268A (enExample)
JP (1) JPS57196212A (enExample)
DE (1) DE3220216C2 (enExample)
GB (1) GB2100880B (enExample)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2656036B2 (ja) * 1987-05-20 1997-09-24 キヤノン株式会社 光ヘツド
US5239414A (en) * 1991-05-30 1993-08-24 General Electric Company Laser astigmatism compensation
US5777961A (en) * 1994-06-27 1998-07-07 Nec Corporation Astigmatic difference correcting method for optical head and apparatus therefor
US6137105A (en) * 1998-06-02 2000-10-24 Science Applications International Corporation Multiple parallel source scanning device
US6584052B1 (en) 1998-06-02 2003-06-24 Science Applications International Corporation Method and apparatus for controlling the focus of a read/write head for an optical scanner
US6091067A (en) * 1998-06-02 2000-07-18 Science Applications International Corporation Scanning device using fiber optic bimorph
US6166756A (en) * 1998-06-02 2000-12-26 Science Applications International Corporation Multiple channel data writing device
US6246658B1 (en) 1998-06-02 2001-06-12 Science Applications International Corporation Multiple channel scanning device using optoelectronic switching
US6341118B1 (en) 1998-06-02 2002-01-22 Science Applications International Corporation Multiple channel scanning device using oversampling and image processing to increase throughput
JP2000012931A (ja) * 1998-06-24 2000-01-14 Shimadzu Corp 固体レーザー装置
DE19916573C2 (de) * 1999-04-13 2003-02-13 Infineon Technologies Ag Lasereinrichtung zur Emission und Kollimation eines Laserstrahls
US6478452B1 (en) * 2000-01-19 2002-11-12 Coherent, Inc. Diode-laser line-illuminating system
CN115138963B (zh) * 2021-07-23 2025-07-08 帝尔激光科技(无锡)有限公司 激光光束的像散校正方法及系统、像散校正装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4318594A (en) * 1977-02-15 1982-03-09 Canon Kabushiki Kaisha Beam shaping optical system
US4235507A (en) * 1977-09-16 1980-11-25 Hitachi, Ltd. Optical system to condense light from a semiconductor laser into a circular spot
JPS54143659A (en) * 1978-04-28 1979-11-09 Canon Inc Image forming optical system for semiconductor laser
JPS55130512A (en) 1979-03-30 1980-10-09 Canon Inc Semiconductor laser optical system
US4333173A (en) * 1979-06-15 1982-06-01 Hitachi, Ltd. Optical information processor with prismatic correction of laser beam shape
US4425655A (en) * 1981-06-22 1984-01-10 Xerox Corporation Direct focussed gas laser

Also Published As

Publication number Publication date
DE3220216A1 (de) 1983-01-20
JPH0514245B2 (enExample) 1993-02-24
GB2100880B (en) 1985-10-23
US4564268A (en) 1986-01-14
GB2100880A (en) 1983-01-06
JPS57196212A (en) 1982-12-02

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8125 Change of the main classification

Ipc: G02B 27/00

8126 Change of the secondary classification

Ipc: G11B 7/18

D2 Grant after examination
8363 Opposition against the patent
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