Phase-Modulation Fluorometer Using a Phase-Modulated Excitation Light Source
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説明
We propose a phase-modulation fluorometer (PMF) with a light-emitting diode (LED) or a laser diode (LD) used as an excitation light source (ELS) that is driven in the phase-modulation (PM) mode. The PM-ELS generates many frequency sidebands that spread in the vicinity of carrier frequency fc with the interval of modulation frequency fm depending on the maximum phase deviation Δφ . The scheme enables us to derive fluorescence lifetime values of a multicomponent sample at one time. We show a typical numerical simulation result for explaining the principle of operation. To demonstrate the effectiveness of the proposed PMF, we have measured fluorescence lifetimes of three kinds of inorganic fluorescent glasses and that of a mixture solution of 1×10−6M rhodamine 6G and 1×10−6M coumarin 152 in ethanol with a volume ratio of 1 :1.
収録刊行物
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- Optical Review
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Optical Review 19 (4), 222-227, 2012-07-31
Springer Science and Business Media LLC
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詳細情報 詳細情報について
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- CRID
- 1050302172854184448
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- NII論文ID
- 10030927294
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- NII書誌ID
- AA11631202
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- ISSN
- 13406000
- 13499432
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- 資料種別
- journal article
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- データソース種別
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- IRDB
- CiNii Articles
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