Measuring method and measuring device for time resolution spectrum
A technology of time-resolved spectroscopy and measurement methods, applied in spectrum investigation and other directions, can solve the problems of low signal utilization rate and long measurement time, and achieve the effects of improving measurement efficiency, shortening measurement time, and low cost
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[0026] As a specific implementation block diagram figure 1 As shown, under the excitation of Nd:YAG triple frequency 355nm wavelength pulse light source short pulse δ(t), the luminescence spectrum of the erbium-doped ZBLAN glass sample changes and decays rapidly. After the luminescence is frequency-selected by the monochromator, a specific wavelength is obtained The attenuated optical signal I(λ i , t), and then transformed into electrical attenuation signal F(λ i , t), and finally recorded by a digital oscilloscope, so that the attenuation curve F(λ i , t). When the attenuation curve data is transmitted to the computer, the computer controls to change the output wavelength of the monochromator, and then the system performs a new attenuation curve measurement. figure 2 Attenuation curves at a range of wavelengths measured in erbium-doped ZBLAN glass samples. The data transformation of these decay curves is performed by the computer, and the luminous intensity of each wave...
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