Fig. 1. Schematic of X-ray penetrating polycapillary lens

Fig. 2. Schematic of X-ray penetrating monocapillary lens

Fig. 3. Modeling schematic of tapered monocapilary X-ray lens

Fig. 4. Projection of X-ray transmission in lens

Fig. 5. Intensity distribution of beam spot. (a) Plane of beam spot; (b)central line of beam spot

Fig. 6. Beam size of coated capillary lens and glass capillary lens varying with exit distance h

Fig. 7. Transmission efficiency of coated capillary lens and glass capillary lens varying with distance from capillary entrance to X-ray source

Fig. 8. Focal spot size and input focal length of the coated lens varying with source size