The Multi-wavelength Spectrometer is a medium-dispersion(R~130 000)grating spectrometer installed on the New Vacuum Solar Telescope at the Fuxian Solar Observat
An atmospheric turbulence phase screen generated using a fractal method is introduced.It is etched onto fused silica and tested in the laboratory.The etched scr
In a solar flare or coronal mass ejection (CME), observations of the subsequent interplanetary shock provide us with strong evidence of particle acceleration to