DE3828050C2 - - Google Patents

Info

Publication number
DE3828050C2
DE3828050C2 DE3828050A DE3828050A DE3828050C2 DE 3828050 C2 DE3828050 C2 DE 3828050C2 DE 3828050 A DE3828050 A DE 3828050A DE 3828050 A DE3828050 A DE 3828050A DE 3828050 C2 DE3828050 C2 DE 3828050C2
Authority
DE
Germany
Prior art keywords
coupling
light beam
optical component
holographic optical
component according
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 - Lifetime
Application number
DE3828050A
Other languages
German (de)
English (en)
Other versions
DE3828050A1 (de
Inventor
Richard Dipl.-Phys. Dr. 7141 Erdmannshausen De Linnebach
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.)
Vishay Semiconductor GmbH
Original Assignee
Telefunken Electronic GmbH
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 Telefunken Electronic GmbH filed Critical Telefunken Electronic GmbH
Priority to DE3828050A priority Critical patent/DE3828050A1/de
Publication of DE3828050A1 publication Critical patent/DE3828050A1/de
Application granted granted Critical
Publication of DE3828050C2 publication Critical patent/DE3828050C2/de
Granted 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
    • G02B5/00—Optical elements other than lenses
    • G02B5/32—Holograms used as optical elements
    • 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
    • G11B7/123—Integrated head arrangements, e.g. with source and detectors mounted on the same substrate
    • G11B7/124—Integrated head arrangements, e.g. with source and detectors mounted on the same substrate the integrated head arrangements including waveguides

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Head (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
DE3828050A 1988-07-11 1988-08-18 Holographisches optisches bauelement Granted DE3828050A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE3828050A DE3828050A1 (de) 1988-07-11 1988-08-18 Holographisches optisches bauelement

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3823445 1988-07-11
DE3828050A DE3828050A1 (de) 1988-07-11 1988-08-18 Holographisches optisches bauelement

Publications (2)

Publication Number Publication Date
DE3828050A1 DE3828050A1 (de) 1990-01-18
DE3828050C2 true DE3828050C2 (enExample) 1991-12-12

Family

ID=25869968

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3828050A Granted DE3828050A1 (de) 1988-07-11 1988-08-18 Holographisches optisches bauelement

Country Status (1)

Country Link
DE (1) DE3828050A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4442976A1 (de) * 1994-12-02 1996-06-05 Thomson Brandt Gmbh Vorrichtung zur berührungslosen optischen Abtastung von Informationen bei der Aufzeichnung auf und/oder Wiedergabe von einem Aufzeichnungsträger mit Aufzeichnungsspuren

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5164930A (en) * 1990-07-25 1992-11-17 Pioneer Electronic Corporation Optical pickup

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6273437A (ja) * 1985-09-26 1987-04-04 Mitsubishi Electric Corp 光学式ヘツド装置
KR900008380B1 (ko) * 1986-07-01 1990-11-17 미쓰비시덴기 가부시기 가이샤 광학식 헤드장치

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4442976A1 (de) * 1994-12-02 1996-06-05 Thomson Brandt Gmbh Vorrichtung zur berührungslosen optischen Abtastung von Informationen bei der Aufzeichnung auf und/oder Wiedergabe von einem Aufzeichnungsträger mit Aufzeichnungsspuren

Also Published As

Publication number Publication date
DE3828050A1 (de) 1990-01-18

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: TEMIC TELEFUNKEN MICROELECTRONIC GMBH, 7100 HEILBR

8320 Willingness to grant licenses declared (paragraph 23)
8327 Change in the person/name/address of the patent owner

Owner name: VISHAY SEMICONDUCTOR GMBH, 74072 HEILBRONN, DE

8339 Ceased/non-payment of the annual fee