LASER SYSTEM FOR ABLATION MONITORING

摘要

Laser system and method for measuring in real time the variation of the laser ablation depth by means of self-mixing interferometry characterized by a reflecting surface subjected to ablation, a laser diode with an integrated photodiode for the self- mixing signal detecting, a lens for sending a portion of the radiation emitted by the laser diode on the surface subjected to ablation and for sending in the cavity of the laser diode a portion of the radiation emitted by the laser diode and back-reflected by the surface subjected to ablation.