光谱学与光谱分析 |
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A New Measurement Method of Time-Resolved Spectrum |
SHI Zhi-gang, HUANG Shi-hua*,LIANG Chun-jun,LEI Quan-sheng |
Institute of Optoelectronic Technology, Beijing Jiaotong University, Beijing 100044, China |
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Abstract A new method for measuring time-resolved spectrum (TRS) is brought forward. Programming with assemble language controlled the micro-control-processor(AT89C51), and a kind of peripheral circuit constituted the drive circuit, which drived the stepping motor to run the monochromator. So the light of different kinds of expected wavelength could be obtained. The optical signal was transformed to electrical signal by optical-to-electrical transform with the help of photomultiplier tube (Hamamatsu 1P28). The electrical signal of spectrum data was transmitted to the oscillograph. Connecting the two serial interfaces of RS232 between the oscillograph and computer, the electrical signal of spectrum data could be transmitted to computer for programming to draw the attenuation curve and time-resolved spectrum (TRS) of the swatch. The method for measuring time-resolved spectrum (TRS) features parallel measurement in time scale but serial measurement in wavelength scale. Time-resolved spectrum (TRS) and integrated emission spectrum of Tb3+ in swatch Tb(o-BBA)3phen were measured using this method. Compared with the real time-resolved spectrum (TRS). It was validated to be feasible, credible and convenient. The 3D spectra of fluorescence intensity-wavelength-time, and the integrated spectrum of the swatch Tb(o-BBA)3phen are given.
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Received: 2005-11-20
Accepted: 2006-03-02
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Corresponding Authors:
HUANG Shi-hua
E-mail: zg_shi@126.com*
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Cite this article: |
SHI Zhi-gang,HUANG Shi-hua,LIANG Chun-jun, et al. A New Measurement Method of Time-Resolved Spectrum[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2007, 27(02): 217-219.
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URL: |
https://www.gpxygpfx.com/EN/Y2007/V27/I02/217 |
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