DOROGAN, Valerian; VIERU, Tatiana; VIERU, Stanislav; DOROGAN, Andrei; SECRIERU, Vitalie; MUNTEANU, Eugen; BALICA, Ştefan
(Romanian Inventors Forum, 2012)
The sensor is equipped with a laser diode with vertical emission and an external optical resonator, which assures multiple propagation of laser radiation. The gash detection inside the external resonator’s cavity is assured ...