high precision dual polarization near field measurement systems place stringent performance requirements on the probe performance in terms of pattern shape, on-axis and off-axis polarization purity, return loss and port-t......high precision dual polarization near field measurement systems place stringent performance requirements on the probe performance in terms of pattern shape, on-axis and off-axis polarization purity, return loss and port-to-port isolation. satimo has developed different families of high performance dual polarized probes covering the entire range from l to ka band. due to the extensive use of balanced feeding techniques, all probe designs have outstanding bandwidth.