JP7170978B2 - 光偏向器 - Google Patents
光偏向器 Download PDFInfo
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- JP7170978B2 JP7170978B2 JP2019045820A JP2019045820A JP7170978B2 JP 7170978 B2 JP7170978 B2 JP 7170978B2 JP 2019045820 A JP2019045820 A JP 2019045820A JP 2019045820 A JP2019045820 A JP 2019045820A JP 7170978 B2 JP7170978 B2 JP 7170978B2
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- light
- transmitting portion
- optical deflector
- llz
- refractive index
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- 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
- G02F1/03—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 ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect
- G02F1/0305—Constructional arrangements
-
- 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
- G02F1/0009—Materials therefor
- G02F1/0018—Electro-optical materials
-
- 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
- G02F1/03—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 ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect
- G02F1/0305—Constructional arrangements
- G02F1/0316—Electrodes
-
- 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
- G02F1/03—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 ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect
- G02F1/0327—Operation of the cell; Circuit arrangements
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- 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
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
Description
(1)式が示すように、電界を印加したときのKTNの屈折率変化δnは、屈折率の3乗、真空の誘電率の2乗、比誘電率の2乗、および電界の2乗に比例している。そのため、KTNの屈折率変化量を増やす方法としては、電界強度Eもしくは比誘電率εrまたはその両方を大きくすることが考えられる。
第1実施形態の光偏向器について、図1を参照して述べる。本光偏向器は、例えば、レンズ、プリズム、ミラーや光センシングデバイスなどに採用されると好適であるが、勿論、他の用途に適用されてもよい。なお、図1は、構成を分かり易くするため、後述する光透過部1および一対の電極2、3の厚みなどを誇張したものである。
本実施形態の光偏向器は、図1に示すように、光を透過する光透過部1と、光透過部1を挟んで対向配置された一対の電極2、3とを備える。この光偏向器は、一対の電極2、3により光透過部1を構成する電気光学材料に電圧を印加することで、その屈折率を変化させ、光透過部1に入射した光線の進行方向を制御する構成とされている。
次に、本実施形態の光偏向器の動作原理について、図1を参照して説明する。図1では、入射光L1の光軸を一点鎖線で示している。
次に、透明イオン伝導体について説明する。
次に、光透過部1を構成するLLZ焼結体の製造方法の一例について説明する。
次に、上記の製造方法により得られたLLZ焼結体のEO効果による屈折率変化について、図3~図7を参照して説明する。
本発明は、実施形態に準拠して記述されたが、本発明は当該実施形態や構造に限定されるものではないと理解される。本発明は、様々な変形例や均等範囲内の変形をも包含する。加えて、様々な組み合わせや形態、さらには、それらの一要素のみ、それ以上、あるいはそれ以下、を含む他の組み合わせや形態をも、本発明の範疇や思想範囲に入るものである。
2、3 一対の電極
10 LLZ焼結体
11 ITO電極
Claims (4)
- 光を透過する光透過部(1)と、
前記光透過部を挟んで対向配置された一対の電極(2、3)とを備え、
前記光透過部は、単結晶もしくは多結晶体からなる透明イオン伝導体であり、
前記一対の電極により前記光透過部に所定の電圧を印加することで、前記透明イオン伝導体の内部におけるイオンの移動を生じさせ、前記光透過部の屈折率を変化させ、前記光透過部を透過する前記光の進行方向を変え、
前記透明イオン伝導体は、Li、LaおよびZrを含むガーネット型結晶構造を有するリチウムイオン伝導体である、光偏向器。 - 前記透明イオン伝導体は、Li7La3Zr2O12を主成分とする酸化物である、請求項1に記載の光偏向器。
- 前記一対の電極は、Au、Pd、Ni、IrおよびPtからなる群から選ばれる少なくとも1つの材料を主成分とする、請求項1または2に記載の光偏向器。
- 前記光透過部のうち外部からの光が照射される面は、前記光透過部とは異なる透明体で覆われている、請求項1ないし3のいずれか1つに記載の光偏向器。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019045820A JP7170978B2 (ja) | 2019-03-13 | 2019-03-13 | 光偏向器 |
US16/809,787 US11454858B2 (en) | 2019-03-13 | 2020-03-05 | Optical deflector |
CN202010164728.3A CN111694171B (zh) | 2019-03-13 | 2020-03-11 | 光学偏转器 |
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JP2019045820A JP7170978B2 (ja) | 2019-03-13 | 2019-03-13 | 光偏向器 |
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JP2020148886A JP2020148886A (ja) | 2020-09-17 |
JP7170978B2 true JP7170978B2 (ja) | 2022-11-15 |
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US (1) | US11454858B2 (ja) |
JP (1) | JP7170978B2 (ja) |
CN (1) | CN111694171B (ja) |
Families Citing this family (1)
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JP7170978B2 (ja) * | 2019-03-13 | 2022-11-15 | 株式会社デンソー | 光偏向器 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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US20080204858A1 (en) | 2007-02-28 | 2008-08-28 | Samsung Electronics Co., Ltd. | One dimensional spatial light modulator and image output device employing the same |
CN102692734A (zh) | 2012-06-07 | 2012-09-26 | 山东省科学院新材料研究所 | 一种基于ktn晶体二次电光效应的激光偏转调制方法 |
JP2015088486A (ja) | 2013-09-25 | 2015-05-07 | 富士フイルム株式会社 | 固体電解質組成物、これを用いた電池用電極シートおよび全固体二次電池 |
JP2017044856A (ja) | 2015-08-26 | 2017-03-02 | パナソニックIpマネジメント株式会社 | 光変調装置 |
JP2017173350A (ja) | 2016-03-18 | 2017-09-28 | 日本電信電話株式会社 | 光偏向器 |
US20180364544A1 (en) | 2017-06-20 | 2018-12-20 | Geoffrey S. D. Beach | Voltage-Controlled Optical Devices |
Family Cites Families (13)
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WO2002099517A2 (en) * | 2001-06-05 | 2002-12-12 | Axon Technologies Corporation | Microelectronic photonic structure and device and method of forming the same |
JP2003091026A (ja) | 2001-09-18 | 2003-03-28 | Ricoh Co Ltd | 光偏向デバイス、該光偏向デバイスを用いた画像表示装置、撮像装置、及び光スイッチング装置 |
JP2005015259A (ja) | 2003-06-24 | 2005-01-20 | Mitsui Chemicals Inc | 大型カリウム塩単結晶の製造方法 |
KR20090083492A (ko) * | 2005-06-20 | 2009-08-03 | 니폰덴신뎅와 가부시키가이샤 | 광강도 변조기 |
US20070285763A1 (en) * | 2006-06-09 | 2007-12-13 | Kewen Kevin Li | Electro-optic gain ceramic and lossless devices |
JP4211821B2 (ja) * | 2006-08-21 | 2009-01-21 | セイコーエプソン株式会社 | 走査型光学装置 |
JP2016091995A (ja) * | 2014-10-30 | 2016-05-23 | 株式会社デンソー | リチウム空気電池及びリチウム空気電池装置 |
JP6399657B2 (ja) | 2015-03-04 | 2018-10-03 | 国立研究開発法人物質・材料研究機構 | 酸化物焼結体、その製造方法、それを用いた固体電解質、および、それを用いたリチウムイオン電池 |
CN104880746B (zh) * | 2015-06-19 | 2016-11-02 | 西安交通大学 | 一种可变焦光学透镜系统及其制备 |
GB201607996D0 (en) * | 2016-05-06 | 2016-06-22 | Univ Glasgow | Laser device and method for its operation |
EP3572863A4 (en) * | 2017-01-20 | 2020-01-08 | Sony Corporation | OPTICAL DEVICE AND DISPLAY DEVICE |
JP7170978B2 (ja) * | 2019-03-13 | 2022-11-15 | 株式会社デンソー | 光偏向器 |
US20220238907A1 (en) * | 2019-06-10 | 2022-07-28 | Andres VILLA PULIDO | High ionic conductivity composite lilazrbio garnet - polymer electrolyte |
-
2019
- 2019-03-13 JP JP2019045820A patent/JP7170978B2/ja active Active
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2020
- 2020-03-05 US US16/809,787 patent/US11454858B2/en active Active
- 2020-03-11 CN CN202010164728.3A patent/CN111694171B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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US20080204858A1 (en) | 2007-02-28 | 2008-08-28 | Samsung Electronics Co., Ltd. | One dimensional spatial light modulator and image output device employing the same |
CN102692734A (zh) | 2012-06-07 | 2012-09-26 | 山东省科学院新材料研究所 | 一种基于ktn晶体二次电光效应的激光偏转调制方法 |
JP2015088486A (ja) | 2013-09-25 | 2015-05-07 | 富士フイルム株式会社 | 固体電解質組成物、これを用いた電池用電極シートおよび全固体二次電池 |
JP2017044856A (ja) | 2015-08-26 | 2017-03-02 | パナソニックIpマネジメント株式会社 | 光変調装置 |
JP2017173350A (ja) | 2016-03-18 | 2017-09-28 | 日本電信電話株式会社 | 光偏向器 |
US20180364544A1 (en) | 2017-06-20 | 2018-12-20 | Geoffrey S. D. Beach | Voltage-Controlled Optical Devices |
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Publication number | Publication date |
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CN111694171A (zh) | 2020-09-22 |
US20200292910A1 (en) | 2020-09-17 |
CN111694171B (zh) | 2023-09-12 |
US11454858B2 (en) | 2022-09-27 |
JP2020148886A (ja) | 2020-09-17 |
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