JP5160776B2 - チャネルから放出される光子を検知する光子検知方法及びチャネルに光を供給する装置 - Google Patents
チャネルから放出される光子を検知する光子検知方法及びチャネルに光を供給する装置 Download PDFInfo
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- JP5160776B2 JP5160776B2 JP2006339568A JP2006339568A JP5160776B2 JP 5160776 B2 JP5160776 B2 JP 5160776B2 JP 2006339568 A JP2006339568 A JP 2006339568A JP 2006339568 A JP2006339568 A JP 2006339568A JP 5160776 B2 JP5160776 B2 JP 5160776B2
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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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/03—Cuvette constructions
- G01N21/05—Flow-through cuvettes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
- B01L3/502—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
- B01L3/5027—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip
- B01L3/502715—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip characterised by interfacing components, e.g. fluidic, electrical, optical or mechanical interfaces
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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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/03—Cuvette constructions
- G01N21/0303—Optical path conditioning in cuvettes, e.g. windows; adapted optical elements or systems; path modifying or adjustment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/06—Auxiliary integrated devices, integrated components
- B01L2300/0627—Sensor or part of a sensor is integrated
- B01L2300/0654—Lenses; Optical fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/08—Geometry, shape and general structure
- B01L2300/0809—Geometry, shape and general structure rectangular shaped
- B01L2300/0816—Cards, e.g. flat sample carriers usually with flow in two horizontal directions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/16—Surface properties and coatings
- B01L2300/168—Specific optical properties, e.g. reflective coatings
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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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/03—Cuvette constructions
- G01N2021/0346—Capillary cells; Microcells
-
- 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
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
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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
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/65—Raman scattering
Description
(数1)
β’=arcsin{(nA/nL)sinβ}
となる。この式中、nAは領域182内に存する空気、気体若しくは真空の屈折率、nLは領域180内に存する流体の屈折率である。
(数2)
β’=arcsin[(nB/nL)sin{arcsin{(nA/nB)sin(α+β)}−α}]
により計算できる値を有している。この式中、βは光210の面164への入射角、nBは仕切部材200を形成する素材の屈折率である。面202が傾斜している分、角β’が小さくなるため、効率を損なわずに結合角βを増すことができ、それによって面164における反射損失を低減することができる。
Claims (2)
- 流体用構造物内に形成されたチャネルから放出される光子を検知する光子検知方法であって、
前記チャネルは長手方向に伸び、長さに沿った何れの位置においても各断面を有し、各位置の断面において、前記チャネルの境界は、前記チャネル内の流体よりも高い屈折率を有する物質によってほぼ全体的に囲われ、
前記流体用構造物は前記チャネルに仕切部材を含み、前記仕切部材は光透過性部を含み、前記流体用構造物は、前記チャネルの境界に少なくとも部分的に沿った前記長手方向に、前記仕切部材を越えて前記チャネルの突出部へ伸びる光透過性部材をさらに含み、
前記光子検知方法は、
前記流路内に流体がある状態で、前記長さの一部に沿った断面において、伝搬する光のうち断面内強度比で約10%以上の部分が前記流体内を伝搬することとなるように前記流路を通して前記長手方向に光を伝搬させるステップであって、前記仕切部材を越えた前記光透過性部材と、前記チャネルの前記突出部と、前記仕切部材の前記光透過性部とを通して、前記チャネルの外部にある光源から光を供給するステップを含み、前記光源からの前記光は前記長手方向に対して斜めの方向から前記チャネルに入る、前記光を伝搬させるステップと、
前記伝搬する光に応じて前記チャネルから放出される光子を検知するステップと、
を含むことを特徴とする光子検知方法。 - 流体用構造物と、
前記流体用構造物内に形成され、流体を含むことが可能なチャネルであって、前記チャネルは長手方向に伸び、長さに沿った何れの位置において も各断面を有し、各位置の断面において、前記チャネルの境界は、前記チャネル内の流体よりも高い屈折率を有する物質によってほぼ全体的に囲われる前記チャネルと、
前記流体用構造物の前記チャネルにある仕切部材であって、光透過性部を含む前記仕切部材と、
前記流体用構造物に含まれる光透過性部材であって、前記チャネルの境界に少なくとも部分的に沿った前記長手方向に、前記仕切部材を越えて前記チャネルの突出部へ伸びる光透過性部材と、
前記長手方向に前記チャネルを通って伝搬する光を供給する照明手段であって、前記長さの一部に沿った断面において、伝搬する光のうち断面内強度比で約10%以上の部分が前記流体内を伝搬することとなるように、前記照明手段は前記チャネルの外部から光を供給する光源を含み、前記光源は前記仕切部材を越えた前記光透過性部材と、前記チャネルの前記突出部と、前記仕切部材の前記光透過性部とを通して光を供給し、前記光源からの前記光は前記長手方向に対して斜めの方向から前記チャネルに入る前記照明手段と、
を含み、流体を含む前記チャネルに光を供給する装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/316,660 US7386199B2 (en) | 2005-12-22 | 2005-12-22 | Providing light to channels or portions |
US11/316,660 | 2005-12-22 |
Publications (3)
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JP2007171182A JP2007171182A (ja) | 2007-07-05 |
JP2007171182A5 JP2007171182A5 (ja) | 2010-03-11 |
JP5160776B2 true JP5160776B2 (ja) | 2013-03-13 |
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JP2006339568A Expired - Fee Related JP5160776B2 (ja) | 2005-12-22 | 2006-12-18 | チャネルから放出される光子を検知する光子検知方法及びチャネルに光を供給する装置 |
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US (1) | US7386199B2 (ja) |
EP (1) | EP1801564B1 (ja) |
JP (1) | JP5160776B2 (ja) |
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2005
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2006
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EP1801564B1 (en) | 2018-06-20 |
US20070147728A1 (en) | 2007-06-28 |
US7386199B2 (en) | 2008-06-10 |
JP2007171182A (ja) | 2007-07-05 |
EP1801564A1 (en) | 2007-06-27 |
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