Application of optical heterodyning methods in microwave transducers Vladimir Biryukov, Vladimir Grachev, Sergey Kapustin, Kirill Malyshev, Yuliya Perevezentseva and Alexey Raevsky ITM Web Conf., 30 (2019) 14001 Published online: 27 November 2019 DOI: 10.1051/itmconf/20193014001