公开(公告)号：US20240310163A1

公开(公告)日：2024-09-19

申请号：US18413562

申请日：2024-01-16

Applicant: SOOCHOW UNIVERSITY

Inventor： Xinhua CHEN ,  Shiyu GE ,  Weimin SHEN

IPC: G01B11/24

CPC classification number: G01B11/24

Abstract: Disclosed is a line spectral confocal three-dimensional measurement system and method using a linear variable filter. The system includes a light source module for providing light radiation, a spectral confocal module, and a signal acquisition module. The spectral confocal module includes a first linear variable filter, a first imaging lens group, a second imaging lens group, and a second linear variable filter. The first linear variable filter is configured to separate the light radiation according to different wavelengths. The first imaging lens group is configured to focus the light radiation with different wavelengths at different heights along a normal line of a surface of a measured object. The second imaging lens group is configured to guide the focused light radiation to the second linear variable filter, and the light radiation at a corresponding position of the first linear variable filter passes through the second linear variable filter.