Near-infrared reflection spectrum of plastics

The experimental setup was installed in a plastic recycling facility. Spectra show large spectral variability at each wavelength owing to severe surface curvature and contamination.本实验装置安装于塑料回收设施中。鉴于样品表面存在严重的曲率畸变与污染物附着，各波长下的光谱均呈现出显著的光谱变异性。