AU2003255794A1 - Optical waveplate based on liquid crystals in a transverse electric field - Google Patents

Optical waveplate based on liquid crystals in a transverse electric field

Info

Publication number: AU2003255794A1
Authority: AU; Australia
Prior art keywords: electric field; liquid crystals; transverse electric; optical waveplate; waveplate based
Prior art date: 2002-09-02
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.): Abandoned

Application number

AU2003255794A

Inventor

Ralph Alexander Betts

Terry Bricheno

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.)

PI PHOTONICS Ltd

Original Assignee

PI PHOTONICS 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.)

2002-09-02

Filing date

2003-08-13

Publication date

2004-03-19

2003-08-13 Application filed by PI PHOTONICS Ltd filed Critical PI PHOTONICS Ltd

2004-03-19 Publication of AU2003255794A1 publication Critical patent/AU2003255794A1/en

Status Abandoned legal-status Critical Current

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
- G02F1/0136—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 for the control of polarisation, e.g. state of polarisation [SOP] control, polarisation scrambling, TE-TM mode conversion or separation
- 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
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
- 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
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/133742—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers for homeotropic alignment
- 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
- G02F1/1343—Electrodes
- G02F1/13439—Electrodes characterised by their electrical, optical, physical properties; materials therefor; method of making

Landscapes

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

AU2003255794A 2002-09-02 2003-08-13 Optical waveplate based on liquid crystals in a transverse electric field Abandoned AU2003255794A1 (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
GB0220381.8		2002-09-02
GBGB0220381.8A GB0220381D0 (en)	2002-09-02	2002-09-02	Liquid crystal device construction
PCT/GB2003/003568 WO2004021073A1 (en)	2002-09-02	2003-08-13	Optical waveplate based on liquid crystals in a transverse electric field

Publications (1)

Publication Number	Publication Date
AU2003255794A1 true AU2003255794A1 (en)	2004-03-19

Family

ID=9943363

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AU2003255794A Abandoned AU2003255794A1 (en)	2002-09-02	2003-08-13	Optical waveplate based on liquid crystals in a transverse electric field

Country Status (3)

Country	Link
AU (1)	AU2003255794A1 (en)
GB (1)	GB0220381D0 (en)
WO (1)	WO2004021073A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB0414882D0 (en) *	2004-07-02	2004-08-04	Univ Cambridge Tech	Liquid crystal device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2255193B (en) *	1991-04-24	1994-10-12	Marconi Gec Ltd	Optical device
US5493426A (en) *	1991-11-14	1996-02-20	University Of Colorado Foundation, Inc.	Lateral electrode smectic liquid crystal devices
JP2579426B2 (en) *	1993-09-29	1997-02-05	インターナショナル・ビジネス・マシーンズ・コーポレイション	Liquid crystal electro-optical element

2002
- 2002-09-02 GB GBGB0220381.8A patent/GB0220381D0/en not_active Ceased
2003
- 2003-08-13 AU AU2003255794A patent/AU2003255794A1/en not_active Abandoned
- 2003-08-13 WO PCT/GB2003/003568 patent/WO2004021073A1/en not_active Ceased

Also Published As

Publication number	Publication date
GB0220381D0 (en)	2002-10-09
WO2004021073A1 (en)	2004-03-11

Publication	Publication Date	Title
AU2003235166A1 (en)	2003-10-27	Liquid-crystal display
AU2002353574A1 (en)	2004-04-08	Liquid crystal display
AU2003265922A1 (en)	2004-03-29	Electro-optic displays
AU2003289238A1 (en)	2004-06-30	Liquid crystal display device
AU2003214699A1 (en)	2003-10-27	Liquid crystal display device
AU2003244204A1 (en)	2004-02-02	Liquid crystal display device
AU2003228118A1 (en)	2004-02-16	Liquid crystal display device
AU2003248730A1 (en)	2004-02-02	Scheme for controlling polarization in optical waveguides
AU2003227955A1 (en)	2003-12-02	Photonic crystal device
AU2003211481A1 (en)	2003-09-22	Liquid crystal display unit
AU2003231534A1 (en)	2003-12-02	Liquid crystal display device
AU2003278314A1 (en)	2004-05-04	Liquid crystal alignment layer
AU2003242010A1 (en)	2004-01-06	Liquid crystal display device
AU2002330335A1 (en)	2004-03-03	Liquid crystal display
AU2002342890A1 (en)	2003-09-22	Optical system with birefringent optical elements
AU2002328461A1 (en)	2004-02-09	Vertically aligned mode liquid crystal display
AU2003256126A1 (en)	2004-04-08	Liquid crystal display device
AU2003251336A1 (en)	2004-02-02	Photonic crystal waveguide
AU2003210048A1 (en)	2004-02-16	Liquid crystal display
AU2003267838A1 (en)	2004-04-23	Liquid crystal display device
AU2003219401A1 (en)	2003-11-17	Electrophoretic display device
AU2003206191A1 (en)	2003-09-02	Liquid crystal display device
AU2003302784A1 (en)	2004-06-30	Liquid crystal display device
AU2003293483A1 (en)	2004-06-30	Liquid crystal shutter
AU2002368342A1 (en)	2004-06-03	Liquid crystal display

Legal Events

Date	Code	Title	Description
2005-05-19	MK6	Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase