JP2019128201A - 光測定装置及び光測定方法 - Google Patents
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
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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
- G01N21/64—Fluorescence; Phosphorescence
- G01N21/6408—Fluorescence; Phosphorescence with measurement of decay time, time resolved fluorescence
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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
- G01J3/0205—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows
- G01J3/0254—Spectrometers, other than colorimeters, making use of an integrating sphere
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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
- G01J3/28—Investigating the spectrum
- G01J3/443—Emission spectrometry
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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
- G01N21/64—Fluorescence; Phosphorescence
- G01N21/6402—Atomic fluorescence; Laser induced fluorescence
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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
- G01N21/64—Fluorescence; Phosphorescence
- G01N21/645—Specially adapted constructive features of fluorimeters
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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
- G01N21/64—Fluorescence; Phosphorescence
- G01N2021/6417—Spectrofluorimetric devices
- G01N2021/6421—Measuring at two or more wavelengths
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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
- G01N21/64—Fluorescence; Phosphorescence
-
- 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
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Abstract
Description
Claims (8)
- 長残光発光材料に励起光を照射して発光量子収率を測定する分光測定装置であって、
前記励起光を出力する光源と、
前記長残光発光材料が配置される内部空間を有し、前記内部空間からの光を検出光として出力する積分器と、
前記検出光を分光して前記励起光による励起光スペクトルデータ及び前記長残光発光材料による発光スペクトルデータを取得する分光検出器と、
前記励起光スペクトルデータ及び前記発光スペクトルデータに基づいて前記長残光発光材料の前記発光量子収率を解析する解析部と、
前記内部空間への前記励起光の入力の有無の切り替えを行う制御部を備え、
前記制御部は、前記分光検出器で前記スペクトルデータの取得が開始される第1の期間において前記内部空間への前記励起光の入力が維持され、かつ前記第1の期間に後続する第2の期間において前記内部空間への前記励起光の入力が停止されるように前記光源を制御し、
前記解析部は、前記第1の期間における前記励起光スペクトルデータに基づいて求めた前記長残光発光材料の吸収フォトン数と、前記第1の期間、前記第2の期間、及び前記第1の期間と前記第2の期間との合計期間のいずれかの期間における前記発光スペクトルデータに基づいて求めた前記長残光発光材料の発光フォトン数とに基づいて、前記長残光発光材料の発光量子収率を算出する分光測定装置。 - 前記制御部は、前記第2の期間での前記検出光の露光時間が前記第1の期間での前記検出光の露光時間よりも長くなるように前記分光検出器を制御する請求項1記載の分光測定装置。
- 前記解析部は、前記第1の期間での前記検出光の露光時間に基づいて前記第1の期間における前記長残光発光材料による発光の強度を規格化すると共に、前記第2の期間での前記検出光の露光時間に基づいて前記第2の期間における前記長残光発光材料による発光の強度を規格化することにより、前記長残光発光材料による発光強度の時間プロファイルを解析する請求項2記載の分光測定装置。
- 前記積分器は、積分半球である請求項1〜3のいずれか一項記載の分光測定装置。
- 長残光発光材料に励起光を照射して発光量子収率を測定する分光測定方法であって、
前記長残光発光材料が配置される内部空間を有する積分器から出力される検出光を分光検出器で分光して前記励起光による励起光スペクトルデータ及び前記長残光発光材料による発光スペクトルデータを取得するスペクトルデータ取得ステップと、
前記励起光スペクトルデータ及び前記発光スペクトルデータに基づいて前記長残光発光材料の前記発光量子収率を解析する発光量子収率解析ステップと、を備え、
前記スペクトルデータ取得ステップでは、前記分光検出器で前記スペクトルデータの取得が開始される第1の期間において前記内部空間への前記励起光の入力を維持し、かつ前記第1の期間に続く第2の期間において前記内部空間への前記励起光の入力を停止し、
前記発光量子収率解析ステップでは、前記第1の期間における前記励起光スペクトルデータに基づいて求めた前記長残光発光材料の吸収フォトン数と、前記第1の期間、前記第2の期間、及び前記第1の期間と前記第2の期間との合計期間のいずれかの期間における前記発光スペクトルデータに基づいて求めた前記長残光発光材料の発光フォトン数とに基づいて、前記長残光発光材料の発光量子収率を算出する分光測定方法。 - 前記スペクトルデータ取得ステップでは、前記分光検出器における前記第2の期間での前記検出光の露光時間を前記第1の期間での前記検出光の露光時間よりも長くする請求項5記載の分光測定方法。
- 前記発光量子収率解析ステップでは、前記第1の期間での前記検出光の露光時間に基づいて前記第1の期間における前記長残光発光材料による発光の強度を規格化すると共に、前記第2の期間での前記検出光の露光時間に基づいて前記第2の期間における前記長残光発光材料による発光の強度を規格化することにより、前記長残光発光材料による発光強度の時間プロファイルを解析する請求項6記載の分光測定方法。
- 前記積分器として積分半球を用いる請求項5〜7のいずれか一項記載の分光測定方法。
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JP2018009045A JP6856558B2 (ja) | 2018-01-23 | 2018-01-23 | 光測定装置及び光測定方法 |
CN201880087229.XA CN111630372A (zh) | 2018-01-23 | 2018-10-10 | 光测定装置及光测定方法 |
EP18902713.9A EP3745114A4 (en) | 2018-01-23 | 2018-10-10 | LIGHT MEASURING DEVICE AND LIGHT MEASURING METHOD |
PCT/JP2018/037780 WO2019146172A1 (ja) | 2018-01-23 | 2018-10-10 | 光測定装置及び光測定方法 |
US16/963,039 US11346720B2 (en) | 2018-01-23 | 2018-10-10 | Light measurement device and light measurement method |
KR1020207015683A KR102626771B1 (ko) | 2018-01-23 | 2018-10-10 | 광 측정 장치 및 광 측정 방법 |
TW107141004A TWI794336B (zh) | 2018-01-23 | 2018-11-19 | 光測定裝置及光測定方法 |
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KR (1) | KR102626771B1 (ja) |
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CN112782131B (zh) * | 2019-11-11 | 2023-04-07 | 成都辰显光电有限公司 | 一种光谱检测系统和光谱检测方法 |
CN112304907B (zh) * | 2020-10-22 | 2021-12-14 | 复旦大学 | 用于确定光致发光量子产率的方法、系统、设备及介质 |
CN112461806B (zh) * | 2020-11-18 | 2022-02-11 | 厦门大学 | 基于智能手机的荧光光谱检测方法 |
CN113899726B (zh) * | 2021-10-14 | 2024-06-14 | 大连海事大学 | 一种用于油膜油种鉴别的便携式被动荧光系统 |
Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60242344A (ja) * | 1984-05-16 | 1985-12-02 | Toshiba Corp | 発光体の残光特性測定装置 |
JPH08136458A (ja) * | 1994-11-10 | 1996-05-31 | Hamamatsu Photonics Kk | 蛍光・燐光測定装置 |
JP2002542482A (ja) * | 1999-04-21 | 2002-12-10 | クロマジェン | 高スループット蛍光検出のための新規な走査型分光光度計 |
JP2006266810A (ja) * | 2005-03-23 | 2006-10-05 | National Printing Bureau | 真偽判別装置及び真偽判別方法 |
JP2008032440A (ja) * | 2006-07-26 | 2008-02-14 | Hokkaido Univ | 発光寿命測定装置およびその測定方法 |
JP2009074866A (ja) * | 2007-09-19 | 2009-04-09 | Hamamatsu Photonics Kk | 分光測定装置、分光測定方法、及び分光測定プログラム |
JP2010008362A (ja) * | 2008-06-30 | 2010-01-14 | Hamamatsu Photonics Kk | 分光測定装置、分光測定方法、及び分光測定プログラム |
JP2010151632A (ja) * | 2008-12-25 | 2010-07-08 | Hamamatsu Photonics Kk | 分光測定装置、分光測定方法、及び分光測定プログラム |
JP2011133370A (ja) * | 2009-12-24 | 2011-07-07 | Horiba Ltd | 精製油劣化度測定装置及び精製油劣化度測定方法 |
JP2011196735A (ja) * | 2010-03-18 | 2011-10-06 | Otsuka Denshi Co Ltd | 量子効率測定方法、量子効率測定装置、および積分器 |
JP2014149194A (ja) * | 2013-01-31 | 2014-08-21 | Otsuka Denshi Co Ltd | 測定装置および測定方法 |
JP2016109432A (ja) * | 2014-12-02 | 2016-06-20 | 浜松ホトニクス株式会社 | 分光測定装置および分光測定方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE59710903D1 (de) | 1996-11-27 | 2003-11-27 | Max Planck Gesellschaft | Verfahren und anordnung zum bestimmen vorgegebener eigenschaften von zielpartikeln eines probenmediums |
JP5208801B2 (ja) | 2009-02-20 | 2013-06-12 | 株式会社東芝 | 光検出装置、及びこの光検出装置を備える紙葉類処理装置 |
US8865078B2 (en) | 2010-06-11 | 2014-10-21 | Industrial Technology Research Institute | Apparatus for single-molecule detection |
JP5491369B2 (ja) | 2010-11-29 | 2014-05-14 | 浜松ホトニクス株式会社 | 量子収率測定装置 |
US10994031B2 (en) * | 2015-07-17 | 2021-05-04 | Board Of Regents Of The Nevada System Of Higher Education, On Behalf Of The University Of Nevada, Reno | Composites and compositions for therapeutic use and methods of making and using the same |
-
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- 2018-10-10 US US16/963,039 patent/US11346720B2/en active Active
- 2018-10-10 KR KR1020207015683A patent/KR102626771B1/ko active IP Right Grant
- 2018-10-10 CN CN201880087229.XA patent/CN111630372A/zh active Pending
- 2018-10-10 EP EP18902713.9A patent/EP3745114A4/en active Pending
- 2018-10-10 WO PCT/JP2018/037780 patent/WO2019146172A1/ja unknown
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Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60242344A (ja) * | 1984-05-16 | 1985-12-02 | Toshiba Corp | 発光体の残光特性測定装置 |
JPH08136458A (ja) * | 1994-11-10 | 1996-05-31 | Hamamatsu Photonics Kk | 蛍光・燐光測定装置 |
JP2002542482A (ja) * | 1999-04-21 | 2002-12-10 | クロマジェン | 高スループット蛍光検出のための新規な走査型分光光度計 |
JP2006266810A (ja) * | 2005-03-23 | 2006-10-05 | National Printing Bureau | 真偽判別装置及び真偽判別方法 |
JP2008032440A (ja) * | 2006-07-26 | 2008-02-14 | Hokkaido Univ | 発光寿命測定装置およびその測定方法 |
JP2009074866A (ja) * | 2007-09-19 | 2009-04-09 | Hamamatsu Photonics Kk | 分光測定装置、分光測定方法、及び分光測定プログラム |
JP2010008362A (ja) * | 2008-06-30 | 2010-01-14 | Hamamatsu Photonics Kk | 分光測定装置、分光測定方法、及び分光測定プログラム |
JP2010151632A (ja) * | 2008-12-25 | 2010-07-08 | Hamamatsu Photonics Kk | 分光測定装置、分光測定方法、及び分光測定プログラム |
JP2011133370A (ja) * | 2009-12-24 | 2011-07-07 | Horiba Ltd | 精製油劣化度測定装置及び精製油劣化度測定方法 |
JP2011196735A (ja) * | 2010-03-18 | 2011-10-06 | Otsuka Denshi Co Ltd | 量子効率測定方法、量子効率測定装置、および積分器 |
JP2014149194A (ja) * | 2013-01-31 | 2014-08-21 | Otsuka Denshi Co Ltd | 測定装置および測定方法 |
JP2016109432A (ja) * | 2014-12-02 | 2016-06-20 | 浜松ホトニクス株式会社 | 分光測定装置および分光測定方法 |
Non-Patent Citations (1)
Title |
---|
"Organic long persistent luminescence", NATURE, vol. 550, JPN6018048680, 2 October 2017 (2017-10-02), pages 384 - 387, ISSN: 0004464863 * |
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Publication number | Publication date |
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EP3745114A4 (en) | 2021-09-22 |
KR102626771B1 (ko) | 2024-01-19 |
KR20200108412A (ko) | 2020-09-18 |
TW201940848A (zh) | 2019-10-16 |
CN111630372A (zh) | 2020-09-04 |
US11346720B2 (en) | 2022-05-31 |
TWI794336B (zh) | 2023-03-01 |
EP3745114A1 (en) | 2020-12-02 |
US20200340862A1 (en) | 2020-10-29 |
WO2019146172A1 (ja) | 2019-08-01 |
JP6856558B2 (ja) | 2021-04-07 |
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