Fig. 1. Working principle diagram of compound FSO/MMW antenna

Fig. 2. TLT-RTM model

Fig. 3. Diagram of equivalent transmission line

Fig. 4. Structural diagram of optical system

Fig. 5. Influences of structural parameters on relative electric field distribution on observation screen. (a) Influence of center thickness of beam splitter; (b) influence of curvature of beam splitter front surface; (c) influence of half power bandwidth of feed; (d) influence of location of feed

Fig. 6. Transmittance of splitterin different tracing directions

Fig. 7. Structural diagram of compound antenna

Fig. 8. Point spread function of compound antenna

Fig. 9. Modulation transfer functioncurve of compound antenna

Fig. 10. Optical energy distribution of compound antenna

Fig. 11. Far-field direction of compound antenna. (a) Far-field three-dimensional direction of compound antenna; (b) far-field patterns of feed and compound antenna in H plane