CH470678A - Modulationsverfahren und Modulator für elektromagnetische Wellen mittels Doppelbrechung - Google Patents

Modulationsverfahren und Modulator für elektromagnetische Wellen mittels Doppelbrechung

Info

Publication number
CH470678A
CH470678A CH1144266A CH1144266A CH470678A CH 470678 A CH470678 A CH 470678A CH 1144266 A CH1144266 A CH 1144266A CH 1144266 A CH1144266 A CH 1144266A CH 470678 A CH470678 A CH 470678A
Authority
CH
Switzerland
Prior art keywords
birefringence
modulator
electromagnetic waves
modulation method
modulation
Prior art date
Application number
CH1144266A
Other languages
English (en)
Inventor
Joachim Schmidt-Tiedeman Karl
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of CH470678A publication Critical patent/CH470678A/de

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 
    • G02F1/015—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 semiconductor elements having potential barriers, e.g. having a PN or PIN junction
    • 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 
    • G02F1/015—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 semiconductor elements having potential barriers, e.g. having a PN or PIN junction
    • G02F1/0151—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 semiconductor elements having potential barriers, e.g. having a PN or PIN junction modulating the refractive index
    • G02F1/0152—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 semiconductor elements having potential barriers, e.g. having a PN or PIN junction modulating the refractive index using free carrier effects, e.g. plasma effect

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Lasers (AREA)
CH1144266A 1965-08-10 1966-08-09 Modulationsverfahren und Modulator für elektromagnetische Wellen mittels Doppelbrechung CH470678A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEP0037427 1965-08-10

Publications (1)

Publication Number Publication Date
CH470678A true CH470678A (de) 1969-03-31

Family

ID=7375287

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1144266A CH470678A (de) 1965-08-10 1966-08-09 Modulationsverfahren und Modulator für elektromagnetische Wellen mittels Doppelbrechung

Country Status (6)

Country Link
US (1) US3503667A (de)
BE (1) BE685248A (de)
CH (1) CH470678A (de)
DE (1) DE1514315A1 (de)
GB (1) GB1159477A (de)
NL (1) NL6610957A (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3637289A (en) * 1969-03-07 1972-01-25 Bell Telephone Labor Inc Devices based on induced dichroism
US3724938A (en) * 1969-11-28 1973-04-03 D Nepela Variable contrast image projection
US5066108A (en) * 1989-12-22 1991-11-19 Hughes Aircraft Company High throughput contrast enhancement for polarized displays
US6469834B1 (en) 2000-11-16 2002-10-22 Koninklijke Philips Electronics N.V. System and method for elimination of scattered side lobes created by integrator lenslet arrays

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL269289A (de) * 1961-09-15
NL299169A (de) * 1962-10-30

Also Published As

Publication number Publication date
US3503667A (en) 1970-03-31
DE1514315A1 (de) 1969-04-24
NL6610957A (de) 1967-02-13
GB1159477A (en) 1969-07-23
BE685248A (de) 1967-02-08

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