Patent ID: 11972596
Assignee: CHANGCHUN UNIVERSITY OF SCIENCE AND TECHNOLOGY
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H  Y | IPC G  H

Claim 6:
7. The method of claim 2, wherein:
the long-wave infrared imaging unit III comprises a long-wave infrared light filter, a liquid crystal phase retarder V, a liquid crystal phase retarder VI, and a long-wave infrared camera, the long-wave infrared light filter, the liquid crystal phase retarder V, the liquid crystal phase retarder VI, and the long-wave infrared camera are arranged on the same optical axis and are connected in series, and long-wave infrared light intensity imaging and long-wave infrared light polarization imaging are completed on the long-wave infrared light imaging unit III after light sequentially passes through the long-wave infrared light filter, the liquid crystal phase retarder V, the liquid crystal phase retarder VI, and the long-wave infrared camera.