Smartphones to produce high-resolution 3D images

This feat may soon be possible because of a new tiny high-resolution 3D imager developed by researchers at California Institute of Technology.

Tech News - The cheap, compact yet highly accurate new device known as a nanophotonic coherent imager (NCI) uses inexpensive silicon chip less than a millimeter square in size.The NCI provides the highest depth-measurement accuracy of any such nanophotonic 3D imaging device.

"The small size and high quality of this new chip-based imager will result in significant cost reductions, which will enable thousands of new uses for such systems by incorporating them into personal devices such as smartphones," explained Ali Hajimiri, Thomas G. Myers professor of electrical engineering.

The new chip uses an established detection and ranging technology called LIDAR, in which a target object is illuminated with scanning laser beams.

The first proof of concept of the NCI has only 16 coherent pixels, meaning that the 3D images it produces can only be 16 pixels at any given instance.In the future, Hajimiri said, that the current array of 16 pixels could also be easily scaled up to hundreds of thousands.

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