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AU1209200A - System and method for modulating light intensity - Google Patents

System and method for modulating light intensity

Info

Publication number
AU1209200A
AU1209200A AU12092/00A AU1209200A AU1209200A AU 1209200 A AU1209200 A AU 1209200A AU 12092/00 A AU12092/00 A AU 12092/00A AU 1209200 A AU1209200 A AU 1209200A AU 1209200 A AU1209200 A AU 1209200A
Authority
AU
Australia
Prior art keywords
light intensity
modulating light
modulating
intensity
light
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.)
Abandoned
Application number
AU12092/00A
Inventor
Milan M. Popovich
John J Storey
Jonathan D. Waldern
Michael D. Walshe
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.)
DigiLens Inc
Original Assignee
DigiLens 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 DigiLens Inc filed Critical DigiLens Inc
Publication of AU1209200A publication Critical patent/AU1209200A/en
Abandoned legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/32Holograms used as optical elements
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1334Constructional arrangements; Manufacturing methods based on polymer dispersed liquid crystals, e.g. microencapsulated liquid crystals
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133621Illuminating devices providing coloured light
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1347Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
    • G02F1/13476Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells in which at least one liquid crystal cell or layer assumes a scattering state

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Holo Graphy (AREA)
  • Liquid Crystal (AREA)
AU12092/00A 1998-10-16 1999-10-15 System and method for modulating light intensity Abandoned AU1209200A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US10461698P 1998-10-16 1998-10-16
US60104616 1998-10-16
US31291199A 1999-05-17 1999-05-17
US09312911 1999-05-17
PCT/US1999/024250 WO2000062104A1 (en) 1998-10-16 1999-10-15 System and method for modulating light intensity

Publications (1)

Publication Number Publication Date
AU1209200A true AU1209200A (en) 2000-11-14

Family

ID=26801742

Family Applications (1)

Application Number Title Priority Date Filing Date
AU12092/00A Abandoned AU1209200A (en) 1998-10-16 1999-10-15 System and method for modulating light intensity

Country Status (2)

Country Link
AU (1) AU1209200A (en)
WO (1) WO2000062104A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6552842B2 (en) * 2001-04-13 2003-04-22 Ut-Battelle, Llc Reflective coherent spatial light modulator
DE102008020769B3 (en) * 2008-04-21 2009-06-25 Bundesdruckerei Gmbh Security element with an electrically stimulable volume hologram and a method for its production
DE102008020770B3 (en) * 2008-04-21 2009-10-29 Bundesdruckerei Gmbh Security element with an electrically stimulable polarization-dependent volume hologram and method for its production
CN114450608A (en) 2019-08-29 2022-05-06 迪吉伦斯公司 Vacuum Bragg grating and method of manufacture
US12158612B2 (en) * 2021-03-05 2024-12-03 Digilens Inc. Evacuated periodic structures and methods of manufacturing

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0463153B1 (en) * 1990-01-12 1998-04-01 Polaroid Corporation Volume phase hologram with liquid crystal in microvoids between fringes
US5751452A (en) * 1993-02-22 1998-05-12 Nippon Telegraph And Telephone Corporation Optical devices with high polymer material and method of forming the same
GB2286058A (en) * 1994-01-21 1995-08-02 Sharp Kk Switchable holographic apparatus
US5942157A (en) * 1996-07-12 1999-08-24 Science Applications International Corporation Switchable volume hologram materials and devices

Also Published As

Publication number Publication date
WO2000062104A1 (en) 2000-10-19

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Legal Events

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