Optical magnetometer

An optical magnetometer is a device that measures magnetic fields by using light. It works by shining a beam of laser light on atoms or molecules that are sensitive to magnetic fields. The magnetic field affects the way the light interacts with these atoms, causing changes in color or intensity. By analyzing these changes, scientists can determine the strength and direction of the magnetic field. Optical magnetometers are highly precise and are used in various applications, such as geological surveys, health diagnostics, and even studying fundamental physics. They're important tools for both scientific research and practical technology.