JP5242183B2 - 移動する検体の光検出方法及びシステム - Google Patents
移動する検体の光検出方法及びシステム Download PDFInfo
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Classifications
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- G—PHYSICS
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- 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
- G01N21/031—Multipass arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
- B01L2200/10—Integrating sample preparation and analysis in single entity, e.g. lab-on-a-chip concept
-
- 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
-
- 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
- B01L3/508—Containers for the purpose of retaining a material to be analysed, e.g. test tubes rigid containers not provided for above
- B01L3/5085—Containers for the purpose of retaining a material to be analysed, e.g. test tubes rigid containers not provided for above for multiple samples, e.g. microtitration plates
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/12—Generating the spectrum; Monochromators
- G01J3/26—Generating the spectrum; Monochromators using multiple reflection, e.g. Fabry-Perot interferometer, variable interference filters
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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
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/39—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers
- G01N2021/391—Intracavity sample
Description
各透過または反射モードは、キャビティ(または各モード)からの出力光強度を、例えば光子エネルギーまたは位置などの関数として表わす「強度関数」を有することができる。強度関数を変更することによって情報を出力光に含むことができる。
Reff(2)=R(2)*exp(−2αw)=R(1)
〔数2〕
FSR=λ(k)−λ(k+1)=2nw/k(k+1)k→∞≒(λ(k))2/2nw
および
〔数3〕
Δλ(k)=2Δnw/k
30、32 第1位置
34、36 第2位置
40、60 光学キャビティ
64 アレイ
Claims (2)
- 光学キャビティを用いる方法であって、
光学キャビティ内の2つ以上の検体のセットが、前記光学キャビティに沿った形態で配置された感光素子のアレイに対して移動している間に、
前記光学キャビティを動作させ、前記検体の光学特徴と前記検体及び前記感光素子のアレイの相対運動とに依存する、前記感光素子のアレイの各素子に対応した位置/時間とともに変化する強度関数を有する出力光を供給することと、
前記感光素子を動作させて、前記出力光を感光することとから成り、前記感光素子が前記出力光に応答して検知結果を提供し、前記検知結果は前記位置/時間とともに変化する強度関数に依存し、そして前記検知結果を使用して前記検体の少なくとも1つに関する情報を得るものであって、
前記光学キャビティは、光反射要素によって少なくとも部分的に束縛(bounded)される光透過領域を含み、これにより、前記光透過領域内の光の測定可能部分は前記領域を通って少なくとも1回反射されることとなり、前記光学キャビティに透過モード及び/又は反射モードを提供し、
さらに、前記検体の各々は、前記強度関数の強度における局所的な相違に関連し、前記局所的な相違は、前記アレイを通る位置の並びに追従するものであり、前記局所的な強度の相違は、前記感光素子のアレイに関して前記検体の位置が変化していることにより前記感光素子の異なるセルによってセンシングされる
ことを特徴とする方法。 - 2つ以上の検体が存在する光学キャビティを含む光学キャビティ構成要素であって、前記光学キャビティは出力光を供給するように動作する光学キャビティ構成要素と、
前記光学キャビティに沿った形態で配置された感光素子のアレイと、
前記光学キャビティ内の検体と感光素子の前記アレイとの間の相対運動を引き起こす検体/アレイ相対運動構成要素であって、前記光学キャビティの前記出力光は、前記検体の光学特徴と前記検体及び前記感光素子のアレイの相対運動とに依存する、前記感光素子のアレイの各素子に対応した位置/時間とともに変化する強度関数を有する検体/アレイ相対運動構成要素と、
前記出力光を感光して、前記変化する強度関数に依存する検知結果を得る感光構成要素と、
前記検知結果を使用して前記検体の少なくとも1つに関する情報を得る情報取得構成要素と、
を備え、
前記光学キャビティは、光反射要素によって少なくとも部分的に束縛(bounded)される光透過領域を含み、これにより、前記光透過領域内の光の測定可能部分は前記領域を通って少なくとも1回反射されることとなり、前記光学キャビティに透過モード及び/又は反射モードを提供し、
さらに、前記検体の各々は、前記強度関数の強度における局所的な相違に関連し、前記局所的な相違は、前記アレイを通る位置の並びに追従するものであり、前記局所的な強度の相違は、前記感光素子のアレイに関して前記検体の位置が変化していることにより前記感光素子の異なるセルによってセンシングされる
ことを特徴とするシステム。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US11/702,470 | 2007-02-05 | ||
US11/702,470 US7554673B2 (en) | 2007-02-05 | 2007-02-05 | Obtaining information about analytes using optical cavity output light |
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Publication Number | Publication Date |
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JP2008191152A JP2008191152A (ja) | 2008-08-21 |
JP5242183B2 true JP5242183B2 (ja) | 2013-07-24 |
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US (1) | US7554673B2 (ja) |
EP (1) | EP1953528B1 (ja) |
JP (1) | JP5242183B2 (ja) |
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