Fig. 1. Imaging structure of conical crystal spectrograph

Fig. 2. The formation of two cones

Fig. 3. Reflection of an X-ray from the multi-curvature bent crystal surface

Fig. 4. X-ray path in xoz plane with the reflection point offset of Δz

Fig. 5. Schematic of the reflection point moving along negative z axis

Fig. 6. Schematic of the source, bent crystal and detector

Fig. 7. X-ray spectrum obtained by CMOS camera

Fig. 8. Distribution of spectral intensity

Fig. 9. Image of image plate recording Ti target shot