IT951172B - Dispositivo ottico per cambiare le dimensione di punti luminosi focalizzati - Google Patents

Dispositivo ottico per cambiare le dimensione di punti luminosi focalizzati

Info

Publication number
IT951172B
IT951172B IT22810/72A IT2281072A IT951172B IT 951172 B IT951172 B IT 951172B IT 22810/72 A IT22810/72 A IT 22810/72A IT 2281072 A IT2281072 A IT 2281072A IT 951172 B IT951172 B IT 951172B
Authority
IT
Italy
Prior art keywords
dimension
change
optical device
luminous points
focused luminous
Prior art date
Application number
IT22810/72A
Other languages
English (en)
Original Assignee
Honeywell Inc
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 Honeywell Inc filed Critical Honeywell Inc
Application granted granted Critical
Publication of IT951172B publication Critical patent/IT951172B/it

Links

Classifications

    • 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
    • G02F1/01—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 for the control of the intensity, phase, polarisation or colour 
    • G02F1/17—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 for the control of the intensity, phase, polarisation or colour  based on variable-absorption elements not provided for in groups G02F1/015 - G02F1/169
    • G02F1/174—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 for the control of the intensity, phase, polarisation or colour  based on variable-absorption elements not provided for in groups G02F1/015 - G02F1/169 based on absorption band-shift, e.g. Stark - or Franz-Keldysh effect
    • 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
    • G02F1/01—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 for the control of the intensity, phase, polarisation or colour 
    • G02F1/03—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 for the control of the intensity, phase, polarisation or colour  based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect
    • 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
    • G02F1/29—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 for the control of the position or the direction of light beams, i.e. deflection

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optical Head (AREA)
IT22810/72A 1971-04-15 1972-04-01 Dispositivo ottico per cambiare le dimensione di punti luminosi focalizzati IT951172B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13424571A 1971-04-15 1971-04-15

Publications (1)

Publication Number Publication Date
IT951172B true IT951172B (it) 1973-06-30

Family

ID=22462439

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22810/72A IT951172B (it) 1971-04-15 1972-04-01 Dispositivo ottico per cambiare le dimensione di punti luminosi focalizzati

Country Status (4)

Country Link
US (1) US3736046A (it)
DE (1) DE2218309A1 (it)
FR (1) FR2133587A1 (it)
IT (1) IT951172B (it)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3801185A (en) * 1972-12-06 1974-04-02 Bell Telephone Labor Inc Switch for thin-film optics
US3974507A (en) * 1975-09-29 1976-08-10 Bell Telephone Laboratories, Incorporated Conversion of stripe-geometry junction laser emission to a spherical wavefront
JPS5932770B2 (ja) * 1975-10-24 1984-08-10 キヤノン株式会社 ハ−フト−ン記録装置
US4215324A (en) * 1978-08-01 1980-07-29 Hughes Aircraft Company Spatial encoding of a laser beam by means of a Stark cell modulator
US4343536A (en) * 1979-05-15 1982-08-10 Nippon Electric Co., Ltd. Electro-optic light deflector
US4376568A (en) * 1981-01-12 1983-03-15 Xerox Corporation Thick film line modulator
JPS5883347A (ja) * 1981-11-09 1983-05-19 Canon Inc 光磁気記録装置
US4872743A (en) * 1983-04-18 1989-10-10 Canon Kabushiki Kaisha Varifocal optical element
US4865426A (en) * 1983-04-19 1989-09-12 Canon Kabushiki Kaisha Variable aberration imaging optical system
NL8402943A (nl) * 1983-09-29 1985-04-16 Toshiba Kk Optische kop.
JPS60187933A (ja) * 1984-03-07 1985-09-25 Toshiba Corp 光学的記録再生装置
JPS61113018A (ja) * 1984-11-07 1986-05-30 Fuji Xerox Co Ltd 光記録装置
JPS61133052A (ja) * 1984-12-03 1986-06-20 Hitachi Ltd 光学的記録再生装置
US4848881A (en) * 1984-12-03 1989-07-18 Hughes Aircraft Company Variable lens and birefringence compensator
US4671624A (en) * 1985-03-25 1987-06-09 Hughes Aircraft Company Variable lens and birefringence compensator for continuous operation
US4763134A (en) * 1985-08-29 1988-08-09 Konishiroku Photo Industry Co. Laser recording apparatus having variable recording magnification and beam intensity control
DE3751891T2 (de) * 1986-05-02 1997-04-03 Hitachi Ltd Methode zur Aufzeichnung, Wiedergabe und zum Löschen von Informationen und Dünnfilm zur Aufzeichnung von Informationen
JPH02246030A (ja) * 1989-03-17 1990-10-01 Ricoh Co Ltd 光情報記録再生装置
US5124835A (en) * 1989-06-21 1992-06-23 Ricoh Company, Ltd. Optical scanning apparatus
US5161133A (en) * 1989-09-29 1992-11-03 International Business Machines Corporation Magneto-optical storage system
JPH04101485A (ja) * 1990-08-21 1992-04-02 Hitachi Ltd ビーム広がり角可変半導体レーザ装置およびそれを用いた情報処理装置
US5383175A (en) * 1992-12-17 1995-01-17 International Business Machines Corporation Laser power control with defocusing offset during data recording
JP3770921B2 (ja) * 1993-03-31 2006-04-26 三菱電機株式会社 光ディスク装置
US5535042A (en) * 1993-06-17 1996-07-09 Fuji Photo Film Co., Ltd. Light scanning device
KR100490383B1 (ko) * 1997-10-08 2005-08-11 삼성전자주식회사 광픽업장치용광원유니트
US6917426B2 (en) * 2002-01-29 2005-07-12 The Boeing Company Real-time wavefront sensor system
US7858923B2 (en) * 2006-12-26 2010-12-28 Canon Kabushiki Kaisha Light beam scanning apparatus and image forming apparatus provided with the same

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2030235A (en) * 1932-08-19 1936-02-11 Walton George William Optical valve
US3200697A (en) * 1961-04-11 1965-08-17 Beam Guidance Inc Iris type beam wave guide
FR1364789A (fr) * 1963-05-17 1964-06-26 Comp Generale Electricite Procédé et dispositif de contrôle de l'oscillation laser
US3512876A (en) * 1964-06-29 1970-05-19 Alvin M Marks Dipolar electro-optic structures
US3424513A (en) * 1966-06-20 1969-01-28 Hughes Aircraft Co Electro-optic variable focal length lens
US3505658A (en) * 1966-07-08 1970-04-07 Ibm Beam addressable memory system
US3527532A (en) * 1967-07-03 1970-09-08 North American Rockwell Digital optical frequency shifter
US3485553A (en) * 1967-09-19 1969-12-23 Honeywell Inc Electro-optic light beam deflector
US3530301A (en) * 1968-03-14 1970-09-22 Bell Telephone Labor Inc Nonlinear optical devices employing optimized focusing
US3541471A (en) * 1968-05-13 1970-11-17 Bell Telephone Labor Inc Transverse mode locking and beam scanning in optical masers
US3575487A (en) * 1969-09-17 1971-04-20 Bell Telephone Labor Inc Two-coordinate quadrupole optical deflector

Also Published As

Publication number Publication date
FR2133587A1 (it) 1972-12-01
US3736046A (en) 1973-05-29
DE2218309A1 (de) 1972-10-26

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