JP6693694B2 - 分光測定装置および分光測定方法 - Google Patents
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- 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
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- 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
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
- Spectrometry And Color Measurement (AREA)
Description
T(λ)=S1(λ)/S0(λ) …(1)
SR1(λ)=SR0(λ)/T(λ) …(2)
SS1(λ)=SS0(λ)/T(λ) …(3)
PLQY=(IS2−IR2)/(IR1−IS1) …(4)
Claims (16)
- 励起光の入力によりアップコンバージョン光を出力する測定対象物の当該発光効率を測定する装置であって、
前記測定対象物が配置される内部空間と、外部から前記励起光を前記内部空間に入力する光入力部と、前記内部空間から光を外部へ出力する光出力部とを有する積分器と、
前記励起光に対する減衰率が前記アップコンバージョン光に対する減衰率より大きい透過スペクトルを有し、前記光出力部から出力される光を前記透過スペクトルに従って減衰させるフィルタ部と、
前記フィルタ部により減衰されて出力される光を分光して分光スペクトルデータを取得する分光検出器と、
前記透過スペクトルデータ及び前記分光スペクトルデータに基づいて前記測定対象物の発光効率を解析する解析部と、
を備え、
前記積分器の前記内部空間に前記測定対象物を配置しない状態で行うリファレンス測定、および、前記積分器の前記内部空間に前記測定対象物を配置した状態で行うサンプル測定の双方において、前記積分器の前記光出力部から出力される前記励起光および前記アップコンバージョン光それぞれに対して同じ前記フィルタ部により減衰を与えて前記励起光および前記アップコンバージョンを前記分光検出器に入力させる、
分光測定装置。 - 前記フィルタ部と開口部とを有するフィルタセットを更に備え、前記フィルタセットは、前記フィルタ部または前記開口部が前記光出力部から出力される光を受けるように切替可能に構成される、請求項1に記載の分光測定装置。
- 前記フィルタ部が、前記励起光および前記アップコンバージョン光のうち前記励起光を選択的に減衰させる第1フィルタと、前記励起光および前記アップコンバージョン光の双方を減衰させる第2フィルタと、を含み、前記光出力部から出力される光を前記第1フィルタおよび前記第2フィルタの両方によって減衰させる、
請求項1または2に記載の分光測定装置。 - 前記第2フィルタがNDフィルタである、
請求項3に記載の分光測定装置。 - 前記第2フィルタが光反射物質で構成されたものである、
請求項3に記載の分光測定装置。 - 前記光反射物質は、前記積分器の内壁に設けられた光反射物質と同じ材料である、
請求項5に記載の分光測定装置。 - 前記第1フィルタがショートパスフィルタまたはバンドパスフィルタである、
請求項3〜6の何れか一項に記載の分光測定装置。 - 前記解析部は、前記透過スペクトルデータに基づいて前記分光スペクトルデータを補正し、当該補正後の分光スペクトルデータに基づいて前記測定対象物の発光効率を解析する、
請求項1〜7の何れか一項に記載の分光測定装置。 - 励起光の入力によりアップコンバージョン光を出力する測定対象物の当該発光効率を測定する方法であって、
前記測定対象物が配置される内部空間と、外部から前記励起光を前記内部空間に入力する光入力部と、前記内部空間から光を外部へ出力する光出力部とを有する積分器を用い、
前記励起光を前記積分器の前記光入力部から前記内部空間に入力させ、
前記積分器の前記内部空間に前記測定対象物を配置しない状態で行うリファレンス測定、および、前記積分器の前記内部空間に前記測定対象物を配置した状態で行うサンプル測定の双方において、前記励起光に対する減衰率が前記アップコンバージョン光に対する減衰率より大きい透過スペクトルを有する同じフィルタ部により、前記光出力部から出力される光を前記透過スペクトルに従って減衰させ、
分光検出器により、前記フィルタ部により減衰されて出力される光を分光して分光スペクトルデータを取得し、
解析部により、前記透過スペクトルデータ及び前記分光スペクトルデータに基づいて前記測定対象物の発光効率を解析する、
分光測定方法。 - 前記フィルタ部と開口部とを有するフィルタセットにより、前記フィルタ部または前記開口部が前記光出力部から出力される光を受けるように切替える、請求項9に記載の分光測定方法。
- 前記フィルタ部が、前記励起光および前記アップコンバージョン光のうち前記励起光を選択的に減衰させる第1フィルタと、前記励起光および前記アップコンバージョン光の双方を減衰させる第2フィルタと、を含み、前記光出力部から出力される光を前記第1フィルタおよび前記第2フィルタの両方によって減衰させる、
請求項9または10に記載の分光測定方法。 - 前記第2フィルタがNDフィルタである、
請求項11に記載の分光測定方法。 - 前記第2フィルタが光反射物質で構成されたものである、
請求項11に記載の分光測定方法。 - 前記光反射物質は、前記積分器の内壁に設けられた光反射物質と同じ材料である、
請求項13に記載の分光測定方法。 - 前記第1フィルタがショートパスフィルタまたはバンドパスフィルタである、
請求項11〜14の何れか一項に記載の分光測定方法。 - 前記解析部により、前記透過スペクトルデータに基づいて前記分光スペクトルデータを補正し、当該補正後の分光スペクトルデータに基づいて前記測定対象物の発光効率を解析する、
請求項9〜15の何れか一項に記載の分光測定方法。
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JP2014243643A JP6693694B2 (ja) | 2014-12-02 | 2014-12-02 | 分光測定装置および分光測定方法 |
CN201580065391.8A CN107003243B (zh) | 2014-12-02 | 2015-11-19 | 分光测定装置及分光测定方法 |
US15/531,875 US10036706B2 (en) | 2014-12-02 | 2015-11-19 | Spectrometry device and spectrometry method |
EP15864997.0A EP3229013B1 (en) | 2014-12-02 | 2015-11-19 | Spectrometry device and spectrometry method |
KR1020177007635A KR102265425B1 (ko) | 2014-12-02 | 2015-11-19 | 분광 측정 장치 및 분광 측정 방법 |
PCT/JP2015/082604 WO2016088574A1 (ja) | 2014-12-02 | 2015-11-19 | 分光測定装置および分光測定方法 |
TW104139004A TWI683092B (zh) | 2014-12-02 | 2015-11-24 | 分光測定裝置及分光測定方法 |
US16/005,238 US10222332B2 (en) | 2014-12-02 | 2018-06-11 | Spectrometry device and spectrometry method |
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AU2017343368B2 (en) * | 2016-10-11 | 2022-10-27 | Marama Labs Limited | A spectrometer apparatus for measuring spectra of a liquid sample using an integrating cavity |
JP6856559B2 (ja) * | 2018-01-23 | 2021-04-07 | 浜松ホトニクス株式会社 | 光測定装置及び光測定方法 |
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JP3842492B2 (ja) * | 1999-09-13 | 2006-11-08 | 株式会社東芝 | 藻類濃度測定システム |
JP4418731B2 (ja) * | 2004-10-27 | 2010-02-24 | 日本放送協会 | フォトルミネッセンス量子収率測定方法およびこれに用いる装置 |
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