A NOVEL METHOD FOR MEASUREMENT OF ELECTRIC FIELD IN EMULATED HUMAN BODY TISSUE USING WIRE MESH SENSOR
DOI:
https://doi.org/10.11113/jt.v81.12941Keywords:
Electric field, emulated human body tissue, wire mesh sensor, image reconstruction, bilinear interpolationAbstract
Wire mesh sensor has been successfully fabricated and used for measurement of the electric field in emulated human body tissue. Measurement of electric field in human body tissue needs to be done, because the electric field is very useful for the treatment especially cancer treatment and also important for health. In this study, we propose a novel electric field measurement method by using wire mesh sensor (wms), that is all channels on the wire act as receivers, and each cross point of the wire are interconnected. While in existing wire mesh sensors, there are two perpendicular channels of transmitter and receiver, and each channel is unrelated, there is a distance between the two channels. At present, wire mesh sensors 3 × 3 and 8 × 8 were used to measure the value of electric field at each wire intersection point. The wire mesh sensor consists of copper wire in a cylindrical body model with diameter 14 [cm]. The emulated human body tissue were inserted in the wire mesh sensor. Furthermore, linear back propagation technique and bilinear interpolation used for image reconstruction of the electric field distribution. The result showed that the wire mesh sensor 8 × 8 has better resolution than wire mesh sensor 3 × 3. The characterisation of wire mesh sensor 8 × 8  for measurement of electric field in emulated human body tissue is obtained lower than measurement in the air with a ratio of 82%. Meanwhile, the wire mesh sensor 3 × 3 could be achieved at 61.8%. This study can be a new science in measuring electric field so that electric field-based treatment planning system can be more optimal.
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