JP4633472B2 - 光分析システム - Google Patents
光分析システム Download PDFInfo
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- JP4633472B2 JP4633472B2 JP2004561761A JP2004561761A JP4633472B2 JP 4633472 B2 JP4633472 B2 JP 4633472B2 JP 2004561761 A JP2004561761 A JP 2004561761A JP 2004561761 A JP2004561761 A JP 2004561761A JP 4633472 B2 JP4633472 B2 JP 4633472B2
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- 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
- G01J3/02—Details
-
- 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
- G01J3/02—Details
- G01J3/0205—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows
-
- 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
- G01J3/02—Details
- G01J3/0205—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows
- G01J3/021—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows using plane or convex mirrors, parallel phase plates, or particular reflectors
-
- 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
- G01J3/02—Details
- G01J3/10—Arrangements of light sources specially adapted for spectrometry or colorimetry
-
- 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
- G01J3/28—Investigating the spectrum
-
- 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
- G01J3/28—Investigating the spectrum
- G01J3/30—Measuring the intensity of spectral lines directly on the spectrum itself
- G01J3/36—Investigating two or more bands of a spectrum by separate detectors
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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
- G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
- G01N21/274—Calibration, base line adjustment, drift correction
-
- 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
-
- 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
- G01N2021/3196—Correlating located peaks in spectrum with reference data, e.g. fingerprint data
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/12—Circuits of general importance; Signal processing
- G01N2201/129—Using chemometrical methods
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- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Biochemistry (AREA)
- Pathology (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Mathematical Physics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Spectrometry And Color Measurement (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Description
x1z1+x2z2+...+xnzn
nがN+1よりも小さい正の整数のスカラ乗法xnは、与えられた光信号中の主要成分znの振幅として判断し得る。各乗数xnは、M次元波長空間中のベクトルとして光信号を扱い、このベクトルの直積を主要成分ベクトルznと計算することによって決定される。これが正規化された固有ベクトルznの方向においての光信号の振幅xnをもたらす。振幅xnはN化合物の濃度に対応する。
Claims (8)
- 試料へ照射することで振幅を有する主成分を有する光信号を発生させる光源;及び、
主成分分析に基づいて光信号の主成分の振幅を決定する光分析システム;
を有する分光分析システムであって、
前記光分析システムは、
第一のスペクトル重み関数によって重み付けされた光信号を検出する第一の検出器と、
第二のスペクトル重み関数によって重み付けされた光信号を検出する第二の検出器と、
前記光源によって発生した光信号をスペクトル的に分散する分散素子と、
前記分散素子によってスペクトル的に分散した光信号を受光し、前記スペクトル的に分散した光信号の第一部分を前記第一のスペクトル重み関数によって重み付けして前記第一の検出器へ分配し、かつ前記スペクトル的に分散した光信号の第二部分を前記第二のスペクトル重み関数によって重み付けして前記第二の検出器へ分配するための分配素子と、
を有し、
前記分配素子の一部の領域は、前記光信号の一部の波長範囲を受光し、受光された光信号の第一の割合を前記第一の検出器へと分配し、受光された光信号の第二の割合を前記第二の検出器へと分配し、これらの分配は、受光された光信号の前記第一の割合の光線の方向が受光された光信号の前記第二の割合の光線の方向と異なるように、受光された光信号の前記第一の割合と前記第二の割合との少なくとも一方の光線の方向を前記分配素子の前記一部の領域によって変更することにより行われ、前記第一のスペクトル重み関数が前記第一の割合により決定され、前記第二のスペクトル重み関数が前記第二の割合により決定される、
分光分析システム。 - 前記主成分は、第一の主成分および第二の主成分を有し、
前記光信号のうち、第一のスペクトル重み関数によって重み付けされた第一部分は、前記第一の主成分に対応し、光信号のうち、第二のスペクトル重み関数によって重み付けされた第二部分は、前記第二の主成分に対応する、ことを特徴とする請求項1記載の分光分析システム。 - 前記分配素子は、前記スペクトル的に分散された光信号を受光するためのひとつの表面を有し、
前記表面は、第一組の表面素子および第二組の表面素子を有し、
前記第一組の表面素子は、前記スペクトル的に分散された光信号を、前記第一の検出器へ分配するよう配置され、
前記第二組の表面素子は、前記スペクトル的に分散された光信号を、前記第二の検出器へ分配するよう構成され、前記第一組の表面素子は、前記第二組の表面素子に対して傾いていることを特徴とする請求項1記載の分光分析システム。 - 前記分配素子は、屈折率の勾配を有する第一組のサブアレイおよび屈折率の勾配を有する第二組のサブアレイを形成するよう構成された液晶素子のアレイ有し、
前記第一のサブアレイは、前記スペクトル的に分散された光信号を、前記第一の検出器へ分配し、前記第二組のサブアレイは、前記スペクトル的に分散された光信号を、前記第二の検出器へ分配するよう構成されている、ことを特徴とする請求項1記載の分光分析システム。 - 前記分散素子は、光信号を分散平面内で分散するよう構成され、
前記光分析システムは、分散された光信号を集束するための集束部材をさらに有し、
前記集束部材は、分散平面において第一の焦点距離および分散平面に対し垂直な平面において第二の焦点距離を有し、
前記第一の焦点距離は、前記第二の焦点距離とは異なる、ことを特徴とする請求項1記載の分光分析システム。 - 前記光信号の第一部分を前記第一の検出器に集束するためのさらなる焦点部材をさらに有する、ことを特徴とする請求項5記載の分光分析システム。
- 前記光信号の第一部分を、前記第一の検出器に集束する前に、スペクトル的に再結合するさらなる分散素子を有する、ことを特徴とする請求項6記載の分光分析システム。
- 請求項1記載の分光分析システムを有する血液分析システム。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP02080427 | 2002-12-19 | ||
| PCT/IB2003/005467 WO2004057284A1 (en) | 2002-12-19 | 2003-11-21 | Optical analysis system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2006510897A JP2006510897A (ja) | 2006-03-30 |
| JP4633472B2 true JP4633472B2 (ja) | 2011-02-16 |
Family
ID=32668784
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004561761A Expired - Fee Related JP4633472B2 (ja) | 2002-12-19 | 2003-11-21 | 光分析システム |
| JP2004561903A Pending JP2006510899A (ja) | 2002-12-19 | 2003-12-19 | 光学分析システム |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004561903A Pending JP2006510899A (ja) | 2002-12-19 | 2003-12-19 | 光学分析システム |
Country Status (8)
| Country | Link |
|---|---|
| US (2) | US7245374B2 (ja) |
| EP (2) | EP1576345B1 (ja) |
| JP (2) | JP4633472B2 (ja) |
| CN (2) | CN100443867C (ja) |
| AT (2) | ATE418067T1 (ja) |
| AU (2) | AU2003280199A1 (ja) |
| DE (2) | DE60325418D1 (ja) |
| WO (2) | WO2004057284A1 (ja) |
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2003
- 2003-11-21 EP EP03772569A patent/EP1576345B1/en not_active Expired - Lifetime
- 2003-11-21 AU AU2003280199A patent/AU2003280199A1/en not_active Abandoned
- 2003-11-21 US US10/539,193 patent/US7245374B2/en not_active Expired - Fee Related
- 2003-11-21 AT AT03772569T patent/ATE418067T1/de not_active IP Right Cessation
- 2003-11-21 JP JP2004561761A patent/JP4633472B2/ja not_active Expired - Fee Related
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|---|---|
| JP2006510897A (ja) | 2006-03-30 |
| DE60318249T2 (de) | 2008-12-04 |
| ATE418067T1 (de) | 2009-01-15 |
| US7405825B2 (en) | 2008-07-29 |
| CN1729388A (zh) | 2006-02-01 |
| CN100473961C (zh) | 2009-04-01 |
| US20060158734A1 (en) | 2006-07-20 |
| EP1576346B1 (en) | 2007-12-19 |
| EP1576346A1 (en) | 2005-09-21 |
| CN100443867C (zh) | 2008-12-17 |
| EP1576345B1 (en) | 2008-12-17 |
| US20060176471A1 (en) | 2006-08-10 |
| ATE381710T1 (de) | 2008-01-15 |
| JP2006510899A (ja) | 2006-03-30 |
| US7245374B2 (en) | 2007-07-17 |
| EP1576345A1 (en) | 2005-09-21 |
| WO2004057284A1 (en) | 2004-07-08 |
| DE60318249D1 (de) | 2008-01-31 |
| AU2003280199A1 (en) | 2004-07-14 |
| AU2003296833A1 (en) | 2004-07-14 |
| WO2004057285A1 (en) | 2004-07-08 |
| DE60325418D1 (de) | 2009-01-29 |
| CN1729389A (zh) | 2006-02-01 |
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