JP7438310B2 - 光学撮像システム - Google Patents
光学撮像システム Download PDFInfo
- Publication number
- JP7438310B2 JP7438310B2 JP2022174427A JP2022174427A JP7438310B2 JP 7438310 B2 JP7438310 B2 JP 7438310B2 JP 2022174427 A JP2022174427 A JP 2022174427A JP 2022174427 A JP2022174427 A JP 2022174427A JP 7438310 B2 JP7438310 B2 JP 7438310B2
- Authority
- JP
- Japan
- Prior art keywords
- imaging system
- optical imaging
- flow path
- parallel beam
- particles
- 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.)
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Links
- 238000012634 optical imaging Methods 0.000 title claims description 39
- 239000002245 particle Substances 0.000 claims description 70
- 239000012530 fluid Substances 0.000 claims description 27
- 238000003384 imaging method Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 11
- 230000004308 accommodation Effects 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/10—Investigating individual particles
- G01N15/14—Electro-optical investigation, e.g. flow cytometers
- G01N15/1434—Electro-optical investigation, e.g. flow cytometers using an analyser being characterised by its optical arrangement
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
- G02B27/281—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising used for attenuating light intensity, e.g. comprising rotatable polarising elements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/02—Investigating particle size or size distribution
- G01N15/0205—Investigating particle size or size distribution by optical means, e.g. by light scattering, diffraction, holography or imaging
- G01N15/0227—Investigating particle size or size distribution by optical means, e.g. by light scattering, diffraction, holography or imaging using imaging, e.g. a projected image of suspension; using holography
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/10—Investigating individual particles
- G01N15/14—Electro-optical investigation, e.g. flow cytometers
- G01N15/1404—Fluid conditioning in flow cytometers, e.g. flow cells; Supply; Control of flow
-
- G01N15/1433—
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/10—Investigating individual particles
- G01N15/14—Electro-optical investigation, e.g. flow cytometers
- G01N15/1456—Electro-optical investigation, e.g. flow cytometers without spatial resolution of the texture or inner structure of the particle, e.g. processing of pulse signals
- G01N15/1459—Electro-optical investigation, e.g. flow cytometers without spatial resolution of the texture or inner structure of the particle, e.g. processing of pulse signals the analysis being performed on a sample stream
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/22—Telecentric objectives or lens systems
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/30—Collimators
-
- G01N15/01—
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N2015/0042—Investigating dispersion of solids
- G01N2015/0053—Investigating dispersion of solids in liquids, e.g. trouble
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/10—Investigating individual particles
- G01N15/14—Electro-optical investigation, e.g. flow cytometers
- G01N15/1434—Electro-optical investigation, e.g. flow cytometers using an analyser being characterised by its optical arrangement
- G01N2015/144—Imaging characterised by its optical setup
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/10—Investigating individual particles
- G01N15/14—Electro-optical investigation, e.g. flow cytometers
- G01N15/1434—Electro-optical investigation, e.g. flow cytometers using an analyser being characterised by its optical arrangement
- G01N2015/1452—Adjustment of focus; Alignment
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/10—Investigating individual particles
- G01N15/14—Electro-optical investigation, e.g. flow cytometers
- G01N2015/1493—Particle size
Description
10,10a,10b:コリメート光源
12:点光源
14:コリメートレンズ
20:流路
20A,20B:流路の端部
22:マイクロ流体チップ
30:テレセントリックレンズ
40:流体ポンプ
42:収容空洞
50:円偏光子
60:画像検知装置
I:平行ビーム
I’ :発散ビーム
P,P1,P2:粒子
P1’,P2’ :粒子画像
L:流体
D:被写界深度
D1,D2:距離
IP:撮像面
IM:画像
R1:内径
RL:ビーム径
θ:ビーム角度
Claims (13)
- 粒子の画像を提示するように構成される光学撮像システムであって、
平行ビームを放射するように構成されるコリメート光源と、
前記平行ビームの伝送路上に配置され、前記粒子が通過し得るように構成される流路と、
前記平行ビームの前記伝送路上に配置されるテレセントリックレンズであって、前記平行ビームが、前記テレセントリックレンズに伝送される前に、前記流路を通過し、前記テレセントリックレンズが、前記平行ビームを撮像面上に収束させるように構成される、テレセントリックレンズと、
前記平行ビームの前記伝送路上に配置される円偏光子と、
を備え、
前記平行ビームが、前記円偏光子を通って前記テレセントリックレンズに伝送される前に、前記流路を通過する、光学撮像システム。 - 前記平行ビームのビーム角度が、-5度以上で、5度以下の範囲である、請求項1に記載の光学撮像システム。
- 前記コリメート光源が、点光源と、コリメートレンズと、を備える、請求項1に記載の光学撮像システム。
- 前記平行ビームと前記流路との間の挟角が、-5度以上で、5度以下の範囲である、請求項1に記載の光学撮像システム。
- 前記平行ビームによって照射される前記流路の一部が、前記テレセントリックレンズの被写界深度内に位置する、請求項1に記載の光学撮像システム。
- 前記流路における前記平行ビームのビーム径が、前記流路の内径よりも大きい、請求項1に記載の光学撮像システム。
- 前記流路における前記平行ビームのビーム径が、10ミリメートル以上で、80ミリメートル以下の範囲である、請求項1に記載の光学撮像システム。
- 前記流路の内径が、0.1ミリメートル以上で、1ミリメートル以下の範囲である、請求項1に記載の光学撮像システム。
- 前記コリメート光源と前記流路との間の距離が、100ミリメートル以上で、500ミリメートル以下の範囲である、請求項1に記載の光学撮像システム。
- 前記粒子が、流体に混合され、前記粒子が前記流路を通過するように、前記流体を動かすように構成される流体ポンプを、前記光学撮像システムがさらに備える、請求項1に記載の光学撮像システム。
- 前記流体の流量が、0.3ml/分以上で、3ml/分以下の範囲になるように、前記流体ポンプが、前記流路と協働する、請求項10に記載の光学撮像システム。
- 前記粒子のサイズが、1マイクロメートル以上で、100マイクロメートル以下の範囲である、請求項1に記載の光学撮像システム。
- 前記光学撮像システムが、前記撮像面上に配置される画像検知装置をさらに備える、請求項1に記載の光学撮像システム。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW110142179 | 2021-11-12 | ||
TW110142179A TW202319805A (zh) | 2021-11-12 | 2021-11-12 | 光學影像系統 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2023072668A JP2023072668A (ja) | 2023-05-24 |
JP7438310B2 true JP7438310B2 (ja) | 2024-02-26 |
Family
ID=86324411
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2022174427A Active JP7438310B2 (ja) | 2021-11-12 | 2022-10-31 | 光学撮像システム |
Country Status (3)
Country | Link |
---|---|
US (1) | US20230152207A1 (ja) |
JP (1) | JP7438310B2 (ja) |
TW (1) | TW202319805A (ja) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100225913A1 (en) | 2004-03-06 | 2010-09-09 | Michael Trainer | Methods and apparatus for determining characteristics of particles |
WO2011136200A1 (ja) | 2010-04-28 | 2011-11-03 | シャープ株式会社 | 光学素子および光学システム |
JP2017187303A (ja) | 2016-04-01 | 2017-10-12 | 住友金属鉱山株式会社 | 粒度分布測定装置及び粒度分布測定方法 |
US20180037827A1 (en) | 2016-08-02 | 2018-02-08 | Honeywell Limited | Method for On-line Imaging of Mesophase Particles |
JP2020054234A (ja) | 2017-01-31 | 2020-04-09 | 富士フイルム株式会社 | 細胞培養装置、撮像ユニット及び培養監視方法 |
JP2020063925A (ja) | 2018-10-15 | 2020-04-23 | 株式会社島津製作所 | 画像解析式粒子分析装置 |
US20210033521A1 (en) | 2019-07-30 | 2021-02-04 | Diatron MI PLC | Flow cytometer and method of analysis |
-
2021
- 2021-11-12 TW TW110142179A patent/TW202319805A/zh unknown
-
2022
- 2022-09-29 US US17/955,559 patent/US20230152207A1/en active Pending
- 2022-10-31 JP JP2022174427A patent/JP7438310B2/ja active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100225913A1 (en) | 2004-03-06 | 2010-09-09 | Michael Trainer | Methods and apparatus for determining characteristics of particles |
WO2011136200A1 (ja) | 2010-04-28 | 2011-11-03 | シャープ株式会社 | 光学素子および光学システム |
JP2017187303A (ja) | 2016-04-01 | 2017-10-12 | 住友金属鉱山株式会社 | 粒度分布測定装置及び粒度分布測定方法 |
US20180037827A1 (en) | 2016-08-02 | 2018-02-08 | Honeywell Limited | Method for On-line Imaging of Mesophase Particles |
JP2020054234A (ja) | 2017-01-31 | 2020-04-09 | 富士フイルム株式会社 | 細胞培養装置、撮像ユニット及び培養監視方法 |
JP2020063925A (ja) | 2018-10-15 | 2020-04-23 | 株式会社島津製作所 | 画像解析式粒子分析装置 |
US20210033521A1 (en) | 2019-07-30 | 2021-02-04 | Diatron MI PLC | Flow cytometer and method of analysis |
Also Published As
Publication number | Publication date |
---|---|
JP2023072668A (ja) | 2023-05-24 |
US20230152207A1 (en) | 2023-05-18 |
TW202319805A (zh) | 2023-05-16 |
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