▎ 摘　　要

NOVELTY - The utility model claims a laser induced graphene in-situ processing detection device based on scanning electron microscope, belonging to the technical field of laser processing and material performance in situ detection. the collimator and the beam expander are integrated in the box body, the box body is connected with the flange II through the flange I; the flange II is connected with the connecting sleeve, the inner wall of the connecting sleeve is installed with a sliding rail, the sliding rail is matched with the sliding block, the sliding block is fixedly connected with the connecting rod, the field lens is fixed on the end part of the connecting rod; the power source end of the ball screw two is fixedly connected with the outside of the connecting sleeve; the transmission end of the ball screw two is connected with the baffle, the baffle is fixedly connected with the connecting rod; the laser distance measuring sensor is fixedly connected with the power source end of the ball screw two. The advantages are as follows: the conception is novel, the structure is simple, the optical fibre laser is improved, so that it can adjust the focusing position; combining the optical fibre laser with the scanning electron microscope, realizing the surface micro-structure change in the dynamic observation laser processing process, providing a new technical means for researching the laser induced graphene.