公开(公告)号：US20190391080A1

公开(公告)日：2019-12-26

申请号：US16467037

申请日：2017-11-07

Applicant: NUCTECH COMPANY LIMITED

Inventor： Ankai WANG ,  Hongqiu WANG ,  Yumin YI ,  Haihui LIU ,  Jianhong ZHANG

IPC: G01N21/65

Abstract: The present disclosure relates to a non-contact type security inspection and method, the system including: a laser source for emitting probe light beams which penetrate through a container or a packaging and are irradiated onto an inspected object contained in the container or the packaging; an optical collection device for collecting an exciting light excited by the probe light beams on the inspected object; a spectrum analyzer for analyzing spectral characteristics of the exciting light collected by the optical collection device so as to determine characteristics of the inspected object; and a shielding apparatus for preventing at least part of the exciting light excited by the probe light beams on the container or the packaging from entering an induction