A Fusion Reactor Plasma Density and Temperature Diagnosis Method Based on Thomson Scattering Weak Coherence Technique
A technology of plasma and diagnostic methods, which is applied in the field of ion density and temperature diagnosis, and achieves the effects of high diagnostic resolution, easy control, and fast measurement speed
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[0039] Such as figure 2 As shown, the 1064nm light emitted by the Nd:YAG laser passes through the bandwidth modulator, modulates into low coherent light and splits it into two beams through the beam splitter, one beam of weak light is reflected by the scanning system of the reference arm to form a reference beam, and the other beam of strong light passes through The objective lens is focused into the fusion reactor plasma, and its backscattered light and reference light are recombined at the fiber coupler. The output of the coupler is the coherent superposition of the reference light and the backscattered light. After the grating splits the light, it is detected by the photodetector CCD, and the spectral signal is converted into an electrical signal, and then the analog signal is converted into a digital signal and stored in the computer. , and finally the signal processing and image display are realized by software.
[0040] Specific embodiments of the present invention are...
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