Hartnagel, Hans; Sirkeli, Vadim; Acedo, Pablo
(Institute of Electrical and Electronics Engineers, 2021)
THz waves have low photon energies (~ 4.1 meV for 1 THz), which is about 1 million times weaker than the energy of X-ray photons. They do not cause any harmful ionization in biological tissues. The terahertz radiation is ...