A team of engineers at Northwestern University, which is in the United States, has developed a machine that uses a light capture system called holography. This high-resolution holographic camera is able to see through objects accurately and quickly.
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First, it is important to point out that the machine made by the Americans is able to quickly capture photos of large areas with an accuracy of less than a millimeter. With this capacity and resolution, the holographic camera can see organs through the dense layers of the skin and even small blood vessels in full operation.
The equipment works by attracting beams of light on objects that are not in the human field of vision, and then these distributed beams return to the camera. Then, an algorithm reconstructs these light signals and shapes them to show solid objects, both stationary and moving, like the lung inhaling and exhaling, for example.
Simply explained, the device can take information from light not visible to the naked eye and make it visible through the combination of holographic technology and Artificial Intelligence.
As much as this machine has great potential in the medical field, mainly because it is a non-invasive method, the researchers believe that its use could also be very welcome in other areas.
“Our technology will usher in a new wave of imaging capabilities. These sensors use visible or infrared light, but the principle is universal, and can extend to other wavelengths", explains engineer professor Florian Willomitzer, lead author of this study. “This same method can be applied to radio waves for space exploration or in underwater acoustic imaging”, he points out.
The scientific article detailing the discovery was published in the journal Nature Communications. You can read it in full by clicking in this link.
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