JP7273447B2 - 3次元屈折率テンソルの測定方法および装置 - Google Patents
3次元屈折率テンソルの測定方法および装置 Download PDFInfo
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- JP7273447B2 JP7273447B2 JP2022515547A JP2022515547A JP7273447B2 JP 7273447 B2 JP7273447 B2 JP 7273447B2 JP 2022515547 A JP2022515547 A JP 2022515547A JP 2022515547 A JP2022515547 A JP 2022515547A JP 7273447 B2 JP7273447 B2 JP 7273447B2
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/21—Polarisation-affecting properties
- G01N21/23—Bi-refringence
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B9/00—Measuring instruments characterised by the use of optical techniques
- G01B9/02—Interferometers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
- G01N21/45—Refractivity; Phase-affecting properties, e.g. optical path length using interferometric methods; using Schlieren methods
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N2021/178—Methods for obtaining spatial resolution of the property being measured
- G01N2021/1785—Three dimensional
- G01N2021/1787—Tomographic, i.e. computerised reconstruction from projective measurements
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- Investigating Or Analysing Materials By Optical Means (AREA)
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- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
Description
Claims (6)
- 平面波の入射光を複数の角度及び偏光で制御する段階、および
複数の角度及び偏光で入射された前記入射光に対する試片の2次元回折光を微小傾き方法を用いて偏光依存的に測定する段階
を含み、
前記2次元回折光に基づいて3次元屈折率テンソルを求めること
を特徴とする、3次元屈折率テンソルの測定方法。 - 前記入射光の角度は、
二重ミラー、デュアルガルバノミラー(galvanometric mirror)、可変型ミラー(deformable mirror)、デジタルマイクロミラーデバイス(digital micromirror device)、液晶空間光変調器(Liquid-crystal spatial light modulator)、および2次元MEMSミラー(Micro Electro Mechanical System mirror、MEMS mirror)のうちの少なくともいずれか1つ以上を利用して制御されること
を特徴とする、請求項1に記載の3次元屈折率テンソルの測定方法。 - 前記入射光の偏光は、
オプティカルファイバー偏光コントローラ(optical fiber polarization controller)、回転する偏光板、液晶リターダ(liquid-crystal retarder)、およびメタサーフェス(meta surface)のうちの少なくともいずれか1つ以上を利用して制御されること
を特徴とする、請求項1又は2に記載の3次元屈折率テンソルの測定方法。 - 前記入射光に対する試片の2次元回折光を微小傾き方法を用いて偏光依存的に測定する段階は、
マッハ・ツェンダー干渉計(Mach-Zehnder interferometry)、位相シフト干渉計(phase shifting interferometry)、および定量位相イメージングユニット(Quantitative phase imaging unit)のうちの少なくともいずれか1つ以上を含んだ時間的(temporal)および空間的(spatial)強度変調干渉計(intensity modulation interferometry)を利用するか、強度輸送方程式(transport of intensity equation)およびフーリエ・タイコグラフィ(Fourier ptychography)のうちの少なくともいずれか1つを利用した2次元回折光を測定する方法を利用すること
を特徴とする、請求項1乃至3のいずれか一項に記載の3次元屈折率テンソルの測定方法。 - 平面波の入射光を複数の角度及び偏光で制御する入射光制御部、および
複数の角度及び偏光で入射された前記入射光に対する試片の2次元回折光を微小傾き方法を用いて偏光依存的に測定する回折光測定部
を含み、
前記回折光測定部は、前記2次元回折光に基づいて3次元屈折率テンソルを求めること
を特徴とする、3次元屈折率テンソルの測定装置。 - 前記入射光制御部は、
前記入射光の角度を制御する角度制御部、および
前記入射光の偏光を制御する偏光制御部
を含む、請求項5に記載の3次元屈折率テンソルの測定装置。
Applications Claiming Priority (3)
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KR10-2020-0023424 | 2020-02-26 | ||
KR1020200023424A KR102272149B1 (ko) | 2020-02-26 | 2020-02-26 | 3차원 굴절률 텐서의 측정 방법 및 장치 |
PCT/KR2021/000157 WO2021172734A1 (ko) | 2020-02-26 | 2021-01-07 | 3차원 굴절률 텐서의 측정 방법 및 장치 |
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JP2022547173A JP2022547173A (ja) | 2022-11-10 |
JP7273447B2 true JP7273447B2 (ja) | 2023-05-15 |
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US (1) | US11821834B2 (ja) |
EP (1) | EP4009036A4 (ja) |
JP (1) | JP7273447B2 (ja) |
KR (1) | KR102272149B1 (ja) |
CN (1) | CN115104021A (ja) |
WO (1) | WO2021172734A1 (ja) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005003386A (ja) | 2003-06-09 | 2005-01-06 | Jasco Corp | 屈折率測定装置及び屈折率測定方法 |
US20070263226A1 (en) | 2006-05-15 | 2007-11-15 | Eastman Kodak Company | Tissue imaging system |
JP2010530080A (ja) | 2007-06-13 | 2010-09-02 | シーリアル テクノロジーズ ソシエテ アノニム | 光変調用装置 |
JP2017219826A (ja) | 2016-06-10 | 2017-12-14 | コリア アドバンスド インスティチュート オブ サイエンス アンド テクノロジィ | 波面制御器を用いた3次元屈折率映像撮影および蛍光構造化照明顕微鏡システムと、これを利用した方法 |
WO2018049476A1 (en) | 2016-09-15 | 2018-03-22 | La Trobe University | Determining complex refractive index values of a sample in three dimensions |
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JP4629869B2 (ja) * | 1998-02-20 | 2011-02-09 | ハインズ インスツルメンツ インコーポレイテッド | 複屈折特性測定方法および装置 |
JP4148592B2 (ja) * | 1998-04-22 | 2008-09-10 | 株式会社リコー | 複屈折測定方法及び複屈折測定装置 |
US7310145B2 (en) * | 2004-02-23 | 2007-12-18 | Ethicon, Inc. | Apparatus and method for determining optical retardation and birefringence |
US7336359B1 (en) * | 2004-05-03 | 2008-02-26 | Purdue Research Foundation | System and method for nonlinear optical null ellipsometry |
KR101461235B1 (ko) | 2008-02-29 | 2014-11-19 | 고려대학교 산학협력단 | 생체조직 검사를 위한 편광감도-광간섭 영상획득용 프로브 및 편광 민감 광 간섭 영상검출용 프로브 및 생체조직 검사를 위한 편광감도-광간섭 영상시스템의 구동방법 |
JP5786905B2 (ja) * | 2013-07-18 | 2015-09-30 | 株式会社リコー | 光走査装置及び画像形成装置 |
KR101875515B1 (ko) * | 2016-11-17 | 2018-07-10 | 주식회사 토모큐브 | 디지털 마이크로미러 소자를 활용한 구조 입사 3차원 굴절률 토모그래피 장치 및 방법 |
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2020
- 2020-02-26 KR KR1020200023424A patent/KR102272149B1/ko active IP Right Grant
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2021
- 2021-01-07 JP JP2022515547A patent/JP7273447B2/ja active Active
- 2021-01-07 US US17/753,479 patent/US11821834B2/en active Active
- 2021-01-07 CN CN202180005145.9A patent/CN115104021A/zh active Pending
- 2021-01-07 WO PCT/KR2021/000157 patent/WO2021172734A1/ko unknown
- 2021-01-07 EP EP21761599.6A patent/EP4009036A4/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005003386A (ja) | 2003-06-09 | 2005-01-06 | Jasco Corp | 屈折率測定装置及び屈折率測定方法 |
US20070263226A1 (en) | 2006-05-15 | 2007-11-15 | Eastman Kodak Company | Tissue imaging system |
JP2010530080A (ja) | 2007-06-13 | 2010-09-02 | シーリアル テクノロジーズ ソシエテ アノニム | 光変調用装置 |
JP2017219826A (ja) | 2016-06-10 | 2017-12-14 | コリア アドバンスド インスティチュート オブ サイエンス アンド テクノロジィ | 波面制御器を用いた3次元屈折率映像撮影および蛍光構造化照明顕微鏡システムと、これを利用した方法 |
WO2018049476A1 (en) | 2016-09-15 | 2018-03-22 | La Trobe University | Determining complex refractive index values of a sample in three dimensions |
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US11821834B2 (en) | 2023-11-21 |
EP4009036A1 (en) | 2022-06-08 |
EP4009036A4 (en) | 2023-07-26 |
US20220404267A1 (en) | 2022-12-22 |
CN115104021A (zh) | 2022-09-23 |
KR102272149B1 (ko) | 2021-07-02 |
JP2022547173A (ja) | 2022-11-10 |
WO2021172734A1 (ko) | 2021-09-02 |
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