**Acknowledgements**

The authors gratefully acknowledge the funding support of the Spanish Ministry of Science and Innovation (RTI2018-099033-B-C32, RYC-2016-20915), Generalitat Valenciana (GRISOLIAP/2018/168) and Dr. Lorena Gil for contributing to the research work described in this chapter. We would also like to thank the researchers of the ITACA-UPV Institute for their contribution to the design and construction of the microwave equipment.
