Fig. 1. Schematic diagram of FINCH imaging systemFINCH系统成像原理图

Fig. 2. Schematic diagrams of FINCH with large field-of-view imaging: (a) The recording field-of-view angle of SLM; (b) the central position of the optical axis for recording four times; (c) central position of optical axis for recording nine times; (d) optical axis center is at point O of (b); (e) optical axis center is at point B of (b); (f) optical axis center is at point C of (c). FINCH大视场成像原理图　(a) SLM记录视场角; (b)四次记录光轴中心位置; (c)九次记录光轴中心位置; (d)光轴中心处于图(b)中O点时的掩模; (e)光轴中心处于图(b)中B点时的掩模; (f)光轴中心处于图(c)中C点时的掩模

Fig. 3. The masks with the center of dual-lens optical axis in four different positions双透镜光轴中心处于四个不同位置的掩模

Fig. 4. Experimental set-up of incoherent light reflection digital holography非相干光反射式数字全息实验光路

Fig. 5. Reconstruction images of USAF1951 resolution plate: (a)−(d) are mounted withFig. 3(d)masks, respectively; (e) normal reconstruction images; (f) large field-of-view images; (g) the intensity distribution at the position of the red line of (b); (h) the intensity distribution at the position of the red line of (e) USAF1951分辨率板重建像　(a)−(d)分别为加载图3中掩模所得; (e)常规再现像; (f)大视场图像; (g)为(b)红线处的强度分布曲线图; (h)为(e)红线处的强度分布曲线

Fig. 6. Reconstruction images of R1L3S5P resolution plate: (a) Conventional mask; (b) conventional reconstruction image; (c) masks of four records; (d) large field-of-view images obtained by splicing four sub-images; (e) masks of nine records; (f) large field-of-view images obtained from nine sub-imagesR1L3S5P分辨率板重建像　(a)常规掩模; (b)常规再现像; (c)四次记录掩模; (d)由四个子图像拼接得到的大视场图像; (e)九次记录掩模; (f)由九个子图像拼接得到的大视场图像