A device and method for detecting time-resolved transient absorption spectrum
A technology of transient absorption and detection time, applied in absorption/scintillation/reflection spectroscopy, measuring devices, spectrometry/spectrophotometry/monochromator, etc., can solve the problem of inability to obtain transient absorption spectra with weak absorbance Signal and other problems, to reduce the background scattered light signal, improve the detection signal-to-noise ratio, and achieve the effect of intensity
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[0064] In order to illustrate the present invention more clearly, the present invention will be further described below in conjunction with preferred embodiments and accompanying drawings. Similar parts in the figures are denoted by the same reference numerals. Those skilled in the art should understand that the content specifically described below is illustrative rather than restrictive, and should not limit the protection scope of the present invention.
[0065] In one embodiment, such as figure 1 As shown, a device for detecting time-resolved transient absorption spectra, comprising:
[0066] The pump unit is used to emit pulsed laser light to pump and excite the sample to be tested;
[0067] The detection unit is used to emit a broad-spectrum detection beam to irradiate the area of the sample to be tested excited by the pump;
[0068] The analysis unit is used to analyze the change of the absorbance and absorption spectrum of the broad-spectrum probe beam before and a...
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