DE777866T1 - Verbesserter polarisator - Google Patents

Verbesserter polarisator

Info

Publication number
DE777866T1
DE777866T1 DE0777866T DE95929562T DE777866T1 DE 777866 T1 DE777866 T1 DE 777866T1 DE 0777866 T DE0777866 T DE 0777866T DE 95929562 T DE95929562 T DE 95929562T DE 777866 T1 DE777866 T1 DE 777866T1
Authority
DE
Germany
Prior art keywords
polarizer
waveguides
improved
micrometers
array
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.)
Pending
Application number
DE0777866T
Other languages
English (en)
Inventor
Paul Ferm
Michael Mcfarland
Lawrence Shacklette
Scott Zimmerman
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.)
Honeywell International Inc
Original Assignee
AlliedSignal 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 AlliedSignal Inc filed Critical AlliedSignal Inc
Publication of DE777866T1 publication Critical patent/DE777866T1/de
Pending legal-status Critical Current

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 
    • G02F1/13—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 liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133524—Light-guides, e.g. fibre-optic bundles, louvered or jalousie light-guides
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
    • 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
    • G02B6/04—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres
    • G02B6/06—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres the relative position of the fibres being the same at both ends, e.g. for transporting images
    • G02B6/08—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres the relative position of the fibres being the same at both ends, e.g. for transporting images with fibre bundle in form of plate
    • 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 
    • G02F1/13—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 liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133528—Polarisers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Polarising Elements (AREA)
  • Liquid Crystal (AREA)

Claims (10)

DE/EP 0 77786 Patentansprüche:
1. Verbesserter Polarisator, der folgendes umfaßt:
(a) ein Polarisatorelement und
(b) ein das Polarisatorelement im wesentlichen berührendes Array aus konisch zulaufenden Wellenleitern, wobei:
(i) sich das konisch zulaufende Ende jedes der
Wellenleiter von dem Polarisatorelement aus nach außen erstreckt,
(ü) jeder der Wellenleiter eine Lichteintrittsfläche neben dem Polarisatorelement (a) und eine von der Lichteintrittsfläche entfernte Lichtaustrittsfläche aufweist,
(iii) der Flächeninhalt der Lichteintrittsfläche jedes der Wellenleiter größer ist als der Flächeninhalt seiner Lichtaustrittsfläche und
(iv) die Wellenleiter in dem Array durch
Zwischenbereiche voneinander getrennt sind, die einen niedrigeren Brechungsindex aufweisen als die Wellenleiter.
2. Verbesserter Polarisator nach Anspruch 1, der weiterhin folgendes umfaßt:
(c) ein Substrat, bei dem das Polarisatorelement (a) das Array von konisch zulaufenden Wellenleitern (b) von dem Substrat (c) trennt, und
(d) eine Klebeschicht, bei der das Substrat (c) den Polarisator (a) von der Klebeschicht (d) trennt.
3. Verbesserter Polarisator nach Anspruch 2, der weiterhin folgendes umfaßt:
(e) eine Schutzschicht neben dem konisch zulaufenden Ende der Wellenleiter.
E/EP 0 777 86
4. Verbesserter Polarisator nach Anspruch 3, der weiterhin folgendes umfaßt:
(f) eine Flüssigkristallzelle, bei der die Klebeschicht (d) das Substrat (c) von der Flüssigkristallzelle (f) trennt.
5. Verbesserter Polarisator nach Anspruch 4, der weiterhin folgendes umfaßt:
(g) ein Farbfiltergitterarray.
6. Verbesserter Polarisator nach Anspruch 1, bei dem das Polarisatorelement so ausgerichtet ist, daß es Licht liefert, das parallel zu der durch die horizontale Blickachse und die senkrecht zu der horizontalen Blickachse stehende Achse definierten Ebene polarisiert ist.
7. Verbesserter Polarisator nach Anspruch 1, bei dem das Polarisatorelement so ausgerichtet ist, daß es Licht liefert, das parallel zu der durch die Nebenachse des WellenleiterquerSchnitts und die senkrecht zu dem Wellenleiterquerschnitt stehende Achse definierten Ebene polarisiert ist.
8. Verbesserter Polarisator nach Anspruch 1, bei dem der Querschnitt der Lichteintrittsfläche jedes der Wellenleiter von etwa 10 Mikrometer bis etwa 100 Mikrometer und der Querschnitt der Lichtaustrittsfläche jedes der Wellenleiter von etwa 5 bis etwa 50 Mikrometer beträgt.
9. Verbesserter Polarisator nach Anspruch 1, bei dem der Abstand zwischen dem Polarisatorelement (a) und dem Array aus konisch zulaufenden Wellenleitern (b) weniger als etwa 250 Mikrometer beträgt.
10. Verbesserter Polarisator nach Anspruch 1, bei dem der Abstand zwischen dem Polarisatorelement (a) und dem Array aus konisch zulaufenden Wellenleitern (b) von etwa 25 Mikrometer bis etwa 0 Mikrometer beträgt.
DE0777866T 1994-08-26 1995-08-15 Verbesserter polarisator Pending DE777866T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/296,569 US5521726A (en) 1994-08-26 1994-08-26 Polarizer with an array of tapered waveguides
PCT/US1995/010415 WO1996007115A1 (en) 1994-08-26 1995-08-15 Improved polarizer

Publications (1)

Publication Number Publication Date
DE777866T1 true DE777866T1 (de) 1998-01-02

Family

ID=23142592

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69521898T Expired - Lifetime DE69521898T2 (de) 1994-08-26 1995-08-15 Verbesserter polarisator
DE0777866T Pending DE777866T1 (de) 1994-08-26 1995-08-15 Verbesserter polarisator

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69521898T Expired - Lifetime DE69521898T2 (de) 1994-08-26 1995-08-15 Verbesserter polarisator

Country Status (8)

Country Link
US (1) US5521726A (de)
EP (1) EP0777866B1 (de)
JP (1) JP4129991B2 (de)
KR (1) KR100359537B1 (de)
AU (1) AU3327895A (de)
DE (2) DE69521898T2 (de)
TW (1) TW309595B (de)
WO (1) WO1996007115A1 (de)

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Also Published As

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JPH10508115A (ja) 1998-08-04
US5521726A (en) 1996-05-28
WO1996007115A1 (en) 1996-03-07
KR100359537B1 (ko) 2002-12-18
JP4129991B2 (ja) 2008-08-06
AU3327895A (en) 1996-03-22
DE69521898T2 (de) 2002-04-04
TW309595B (de) 1997-07-01
EP0777866B1 (de) 2001-07-25
EP0777866A1 (de) 1997-06-11
DE69521898D1 (de) 2001-08-30

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