Method and system for measuring rock optical parameters based on Terahertz time-domain spectroscopy
A technology of terahertz time domain and optical parameters, which is applied in the direction of color/spectral characteristic measurement, phase influence characteristic measurement, etc., can solve the lack of non-destructive and effective rock optical parameter measurement technology and other problems, and achieve non-destructive testing, easy operation, repeatability good sex effect
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Embodiment 1
[0023] figure 1 It is a flow chart of a method for determining rock optical parameters based on terahertz time-domain spectroscopy provided by an embodiment of the present invention, such as figure 1 As shown, the methods described include:
[0024] S101. Detect the rock base and the rock sample, and acquire the terahertz pulse time-domain waveform of the rock base and the terahertz pulse time-domain waveform of the rock sample.
[0025] In the embodiment of the present invention, the method of measuring rock optical parameters based on terahertz time-domain spectroscopy and performing detection and analysis can be detected using a terahertz time-domain spectroscopy device, wherein the titanium sapphire femtosecond mode-locked pulse laser generates a central wavelength of 800nm ( Nano), a laser light source with a repetition rate of 80MHz (megahertz), and a pulse width of 100fs (femtoseconds), with an output power of 960mW (milliwatts); the above-mentioned device uses GaAs ...
Embodiment 2
[0051] Figure 10 It is a system structure diagram for measuring rock optical parameters based on terahertz time-domain spectroscopy provided by the embodiment of the present invention, as shown in Figure 10 As shown, the system includes: a transmission terahertz time-domain spectroscopy device 111 and a data processing device 112, wherein,
[0052] The transmission terahertz time-domain spectroscopy device 111 is used to detect rock bases and rock samples, and obtain the terahertz pulse time-domain waveform of the rock base and the terahertz pulse time-domain waveform of the rock sample.
[0053] In the embodiment of the present invention, in the transmission-type terahertz time-domain spectroscopy device 111, the titanium-sapphire femtosecond mode-locked pulse laser generates a central wavelength of 800nm (nanometer), a repetition frequency of 80MHz (megahertz), and a pulse width of 100fs (femtoseconds). second) laser light source with an output power of 960mW (milliwatt...
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