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In this study, a breast phantom measurement system based on radar-based microwave imaging technique is proposed. For this purpose, a small-size Vivaldi antenna with high gain and ultra-wide band is designed. The antenna bandwidth is in the range of 3–10.6 GHz, and the maximum realized gain is 8.5 dB. The size of the antenna is 36 × 36 mm 2 , and FR4 was used as dielectric material. Bandwidth and gain are increased by using edge slots. After the antenna hardware had been manufactured with PCB printed circuit technology, a mechanism was developed to measure breast phantom. After the measurement process is completed, a computer program converts the collected signals into images. For the testing of the system, canola oil was used as a phantom and the object in the oil was successfully imaged.

A novel gain enhanced Vivaldi antenna for a breast phantom measurement system