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提出了一种干涉型计算层析成像光谱仪(CTII)原理及实现方法。CTII把空间调制式傅里叶变换成像光谱仪(FTIS)的原理与计算层析成像光谱仪(CTIS)的原理巧妙结合,因此整个系统在原理上具有高灵敏度、高光谱分辨率,以及高空间分辨率。分析和讨论了CTII的工作原理,给出了一种实用CTII的光路结构;对典型目标的投影图像进行实验,实验结果验证了本方法的可行性。
An interference computed tomography spectrometer (CTII) principle and its implementation method are proposed. CTII combines the principle of a Spatial Modulated Fourier Transform Imaging Spectrometer (FTIS) with the principle of a Computed Tomography Spectrometer (CTIS) so that the entire system is, in principle, highly sensitive, hyperspectral, and highly spatial resolution . The working principle of CTII is analyzed and discussed. A practical CTII optical path structure is given. Experiments on typical target projection images are carried out. The experimental results verify the feasibility of this method.