Experimental study of multi-photon contamination on the measurement offluorescent decay time

ZHU Wen-Han; ZHAO Yan-E; ZHANG Yun-Long; XU Zi-Zong; WANG Xiao-Lian

doi:10.1088/1674-1137/32/11/013

Chinese Physics C> 2008, Vol. 32> Issue(11) : 912-915 DOI: 10.1088/1674-1137/32/11/013

Experimental study of multi-photon contamination on the measurement offluorescent decay time

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Abstract：
In the measurement of fluorescent lifetime based on time correlation-single photon counting technique by means of TAC, due to the contamination of multi-photons a deviation of fluorescent lifetime measured from the expected value is experimentally studied. A correction function instead of a simple exponential function is used to fit the experiment data. The validation of the correction function is checked using the experimental data of several test samples: YAP, NaI(Tl) and LSO. The results show that the correction function well fits the data and the reasonable fluorescent lifetimes are obtained.

References

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. Bollinger L M, Thomas G E. Rev. Sci. Instrum., 1961,32(9): 1044-10502. Faraci G, Notarrigo S, Pennisi A R. Nucl. Instrum. Methods A, 1979, 165: 325-3323. Ranucci G. Nucl. Instrum. Methods A, 1993, 335: 1214. WANG Zhao-Min, XU Tong, XU Zi-Zong et al. Nucl. In-strum. Methods A, 1998, 419: 154-1595. WANG Zhao-Min, XU Zi-Zong, HUANG Sheng-Li. Nucl.Instrum. Methods A, 2000, 450: 415-4186. Bellamy E H et al. Nucl. Instrum. Methods A, 1994, 339:468-476

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ZHU Wen-Han, ZHAO Yan-E, ZHANG Yun-Long, XU Zi-Zong and WANG Xiao-Lian. Experimental study of multi-photon contamination on the measurement offluorescent decay time[J]. Chinese Physics C, 2008, 32(11): 912-915. doi: 10.1088/1674-1137/32/11/013

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Received: 2008-03-13
Revised: 2008-05-28

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沈阳化工大学材料科学与工程学院沈阳 110142

Experimental study of multi-photon contamination on the measurement offluorescent decay time

Corresponding author: ZHAO Yan-E,

Received Date: 2008-03-13
Accepted Date: 2008-05-28
Available Online: 2008-11-05

Abstract:

In the measurement of fluorescent lifetime based on time correlation-single photon counting technique by means of TAC, due to the contamination of multi-photons a deviation of fluorescent lifetime measured from the expected value is experimentally studied. A correction function instead of a simple exponential function is used to fit the experiment data. The validation of the correction function is checked using the experimental data of several test samples: YAP, NaI(Tl) and LSO. The results show that the correction function well fits the data and the reasonable fluorescent lifetimes are obtained.