Multi-mode fusion detection device based on optical pumping technology

The invention provides a multi-mode fusion detection device based on an optical pumping technology, and relates to the field of brain-computer interfaces. In the device, a laser generation module comprises a first laser exit port and a second pulse laser exit port, the first laser exit port is aligned with a first laser inlet of an atomic gas chamber, the second pulse laser exit port is aligned with a path control entrance port of a laser path control module, and a detection port of the atomic gas chamber is aligned with a preset area; the laser path control module further comprises a path control exit port, and the path control exit port is aligned with a preset area. A laser receiving port of the photoelectric detection module is aligned with a first laser outlet of the atomic gas chamber; a detection point of the ultrasonic detection module is associated with a preset area; the photoelectric detection module and the ultrasonic detection module are electrically connected with the data processing module. The