| 光谱学与光谱分析 |
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| The Key Technology of Picosecond Time-Correlated Single Photon Counting Spectrometer |
| ZHANG Xiu-feng1, 3, SONG Ke-fei2, YU Tao3, HAN Bing-dong1, 3, SHENG Cui-xia4, LIN Jiu-ling1, 5* |
1. Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China
2. Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences，State Key Laboratory of Applied Optics, Changchun 130033, China
3. North LCD Engineering Research and Development Center, Changchun 130031，China
4. Inner Mogolia Polytechnic University, Hohhot 010062, China
5. Tianjin Polytechnic University, College of Ｓcience, Ｔianjin 300160, China |
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Abstract The picosecond time-correlated single photon counting spectrometer developed uses the TCSPC technique and grating splitter technique that can compensate the time spread dynamically and statically. The time spread caused by the conventional optical system can be eliminated completely. The multichannel analyzer is used to measure the fluorescence decay curves and the time-resolved spectrum by opening the time windows. The method for multi-exponential fitting to the fluorescence decay is also used to deal with the data. The system theory and design of the spectrometer are presented in detail, and the process of operation is introduced with the integration of the system. Many standard samples have been measured, and the data have been analyzed and contrasted. Experimental results show that the fluorescence life-span scaled by the spectrometer reaches picosecond distinction, and the spectrometer’s sensitivity is single photon counting. Time resolution of the spectrometer is 8.8 ps.
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Received: 2003-09-06
Accepted: 2004-04-01
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Corresponding Authors:
LIN Jiu-ling
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| Cite this article: |
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ZHANG Xiu-feng,SONG Ke-fei,YU Tao, et al. The Key Technology of Picosecond Time-Correlated Single Photon Counting Spectrometer[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2004, 24(12): 1489-1493.
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| URL: |
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https://www.gpxygpfx.com/EN/Y2004/V24/I12/1489 |
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[3] LIN Jiu-ling，ZHANG Zhi-shun(林久令, 张志舜). J. of Data Sampling and Processing(数据采集与处理)，1986，4(Supplement)：128.
[4] Becker Ｗ，Hickl Ｈ，Czander et al. Rev. Ｓci. Ｉnstrum.，1999，70：1835.
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