The title of the Young Researcher Excellent Presentation Award is “Development of a Thomson scattering measurement system for reconnection experiments – development of a highly economical wavelength tunable spectrometer using two interference filters”. For the magnetic reconnection laboratory experiment, it is necessary to measure the electron temperature and density distribution specialized for the narrow reconnection region with two dimensions and high resolution. You will need. Kim et al. need a number equal to the product of the number of wavelength channels and the number of measurement points. Regarding interference filters, which account for the majority of the spectrometer cost, two filters can be used by making use of the fact that the selected wavelength can be selected by changing the incident angle. We have experimentally demonstrated that a 5-channel spectrometer can be assembled.
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