Research Article

Photonic Heterodyne Pixel for Imaging Arrays at Microwave and MM-Wave Frequencies

Figure 11

Results from the scanning of the object shown in Figure 10 with the array using an electronic mixer for heterodyne detection. (a): power difference measured for each pixel with and without the cross (in dB). (b): −10 dB contour for the results shown on (a).
792571.fig.0011a
(a)
792571.fig.0011b
(b)