WO2002079871A3 - Optical phased array - Google Patents

Optical phased array Download PDF

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Publication number
WO2002079871A3
WO2002079871A3 PCT/US2001/048198 US0148198W WO02079871A3 WO 2002079871 A3 WO2002079871 A3 WO 2002079871A3 US 0148198 W US0148198 W US 0148198W WO 02079871 A3 WO02079871 A3 WO 02079871A3
Authority
WO
WIPO (PCT)
Prior art keywords
liquid crystal
linearly polarized
crystal layer
wave plate
optical
Prior art date
Application number
PCT/US2001/048198
Other languages
French (fr)
Other versions
WO2002079871B1 (en
WO2002079871A2 (en
Inventor
David M Pepper
Original Assignee
Hrl Lab Llc
David M Pepper
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 Hrl Lab Llc, David M Pepper filed Critical Hrl Lab Llc
Publication of WO2002079871A2 publication Critical patent/WO2002079871A2/en
Publication of WO2002079871A3 publication Critical patent/WO2002079871A3/en
Publication of WO2002079871B1 publication Critical patent/WO2002079871B1/en

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
    • G02F1/1347—Arrangement 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
    • G02F1/13471—Arrangement 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 all the liquid crystal cells or layers remain transparent, e.g. FLC, ECB, DAP, HAN, TN, STN, SBE-LC cells
    • 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
    • G02F1/292—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 by controlled diffraction or phased-array beam steering
    • 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
    • G02F1/13363—Birefringent elements, e.g. for optical compensation
    • G02F1/133638—Waveplates, i.e. plates with a retardation value of lambda/n

Abstract

A optical phased array device for optical beams with general polarization. A reflective embodiment of the inventive optical phased array interposes a quarter-wave plate (230) between a linearly polarized liquid crystal layer (210) and a mirror (240). A controllable voltage applied across the liquid crystal layer causes a first linearly polarized component of an incident optical beam to be phase shifted when it passes through the liquid crystal layer. The polarization of the optical beam is rotated by 90E when it travels through the quarter-wave plate, is reflected from the mirror, and travels back through the quarter-wave plate. The second linearly polarized component of the optical beam, orthogonal to the first, is phase shifted when it passes back through the liquid crystal layer. A transmissive embodiment of the inventive optical array interposes a half-wave plate (330) between two linearly polarized liquid crystal layers (310, 311). The first linearly polarized component is phase shifted by the first liquid crystal layer and the second component, orthogonal to the first, is phase shifted by the second layer.
PCT/US2001/048198 2001-01-11 2001-12-11 Optical phased array WO2002079871A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/759,820 US6490076B2 (en) 2001-01-11 2001-01-11 Optical phased array for depolarized optical beam control
US09/759,820 2001-01-11

Publications (3)

Publication Number Publication Date
WO2002079871A2 WO2002079871A2 (en) 2002-10-10
WO2002079871A3 true WO2002079871A3 (en) 2003-02-27
WO2002079871B1 WO2002079871B1 (en) 2004-04-08

Family

ID=25057078

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/048198 WO2002079871A2 (en) 2001-01-11 2001-12-11 Optical phased array

Country Status (2)

Country Link
US (1) US6490076B2 (en)
WO (1) WO2002079871A2 (en)

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CN108169956A (en) * 2018-01-25 2018-06-15 北京航空航天大学 A kind of low graing lobe multi-beam scan method and system based on spatial light modulator

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US20070151558A1 (en) * 2005-12-22 2007-07-05 Solbeam, Inc. Variable apex angle prism
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CN102073186B (en) * 2011-01-21 2013-02-13 哈尔滨工业大学 Large-angle, continuous and high-resolution beam deflection scanning device based on liquid crystal optical phased array and scanning method
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KR101996655B1 (en) * 2012-12-26 2019-07-05 엘지디스플레이 주식회사 apparatus for displaying a hologram
CN103076695A (en) * 2013-01-21 2013-05-01 深圳市华星光电技术有限公司 Liquid-crystal display device and setting method of polarized pieces thereof
US20160124250A1 (en) * 2013-05-23 2016-05-05 President And Fellows Of Harvard College Pixelated tunable color filter
US9835856B2 (en) 2013-05-24 2017-12-05 Raytheon Company Adaptive optic having meander resistors
US9851616B2 (en) * 2013-06-26 2017-12-26 Texas Instruments Incorporated Non-moving optical beam steering using non-pixelated liquid crystal optical phased arrays
CN103424941B (en) * 2013-08-06 2016-07-20 京东方科技集团股份有限公司 Liquid crystal grating and manufacture method, driving method and optical phased array device
US9785016B2 (en) 2013-08-06 2017-10-10 Boe Technology Group Co., Ltd. Liquid crystal grating, manufacturing method and drive method thereof, and optical phased array device
US10359630B2 (en) * 2015-06-30 2019-07-23 Massachusetts Institute Of Technology Display apparatus comprising first and second optical phased arrays and method for augmented reality
CN106054490B (en) * 2016-07-29 2018-12-21 西安空间无线电技术研究所 A kind of wide-angle beam steering system based on optical phased array
KR102530559B1 (en) * 2016-08-29 2023-05-09 삼성전자주식회사 Laser beam steering device and system including the same
US10613410B2 (en) 2016-10-14 2020-04-07 Analog Photonics LLC Large scale optical phased array
US10409074B2 (en) 2017-05-03 2019-09-10 Microsoft Technology Licensing, Llc Near-to-eye display with steerable phased arrays
US9971183B1 (en) 2017-06-02 2018-05-15 Raytheon Company High power adaptive optic system and components therein
KR102526760B1 (en) * 2018-02-19 2023-04-27 삼성전자주식회사 Beam deflector and 3-dimensional display device including the same
CN109239993B (en) * 2018-10-18 2021-03-26 华北水利水电大学 Liquid crystal optical switch for optical phased array scanning
CN109164662B (en) * 2018-10-23 2023-08-22 长春理工大学 Beam deflection control method based on liquid crystal optical phased array
CN109696776B (en) * 2019-03-12 2021-03-05 京东方科技集团股份有限公司 Dimming panel, control method thereof and display device
CN114460774B (en) * 2021-12-10 2024-01-09 中国科学院重庆绿色智能技术研究院 Reflective geometric phase liquid crystal spatial light modulation method, system and storage medium
WO2023142530A1 (en) * 2022-01-27 2023-08-03 华为技术有限公司 Polarization-independent device and apparatus, and optical network system
US20230344517A1 (en) * 2022-04-19 2023-10-26 Raytheon Company Photonic integrated circuit-based polarization-independent optical devices
CN116400529A (en) * 2023-06-08 2023-07-07 四川大学 Liquid crystal depolarizer based on random phase difference and method for determining polarization degree of liquid crystal depolarizer

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Also Published As

Publication number Publication date
US6490076B2 (en) 2002-12-03
US20020154377A1 (en) 2002-10-24
WO2002079871B1 (en) 2004-04-08
WO2002079871A2 (en) 2002-10-10

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