Fig. 1. Outline view of VO_x infrared array detector

Fig. 2. Schematic diagram of the typical structure of the VO_x microbolometer

Fig. 3. Basic structure of VO_x array readout circuit

Fig. 4. Block diagram of irradiation experiment

Fig. 5. Detector output images of the blackbody at cumulative dosages of 0 rad(Si) (a), 8 krad(Si) (b), 16 krad(Si) (c), 24 krad(Si) (d), 31 krad(Si) (e), 39 krad(Si) (f) at 37 °C

Fig. 6. Detector output images of a fixed target at dose levels of 0 rad(Si) (a), 8 krad(Si) (b), 16 krad(Si) (c), 24 krad(Si) (d), 31 krad(Si) (e), 39 krad(Si) (f)

Fig. 7. Variation of non-uniformity in detector output images with dose values

Fig. 8. Variation of the number of blind pixels in output images with accumulated dose values

Fig. 9. Grayscale histograms of detector output images at dose values of 0 rad(Si) (a), 8 krad(Si) (b), 16 krad(Si) (c), 24 krad(Si) (d), 31 krad(Si) (e), 39 krad(Si) (f)

Fig. 10. Variations in average grayscale value of output images with blackbody temperature at varying dose levels

Fig. 11. Detector output images at annealing time points of 3 h (a), 5 h (b), 24 h (c), 48 h (d), 72 h (e), 168 h (f)

Fig. 12. Variation of the number of blind pixels in the output image with annealing time

Fig. 13. Variations of the average grayscale value of the detector's output images varies with the blackbody temperature during different annealing periods (3~72 h)

Fig. 14. Variations of the average grayscale value of the detector's output images varies with the blackbody temperature both before irradiation and during different annealing periods (5~72 h)