Polarimetric imaging, which considers the polarization of light in every pixel of an image, can provide a fuller view of an object than traditional cameras. Polarized light, made of electromagnetic waves, travels along a single plane or on a rotating plane. This technology can reveal information the human eye may miss, such as pointing out cracks in manufactured building materials before they can cause a catastrophic collapse.
Details in building materials that regular photographs or human eyes would miss can be seen with polarimetric imaging. Large and moving elements, however, might result in errors. To solve these problems, scientists created MetPolarIm, a chip-integrated metasurface full-Stokes polarimetric imaging sensor.
A CMOS transistor chip is coupled with the polarimetric imaging sensor MetPolarIm. It reduces its size, increases imaging speed, improves picture stability and accuracy, and opens up new possibilities in autonomous driving, military, and space exploration.
The sensor’s development is based on earlier findings from their research groups, which led to the creation of the pieces and materials that make up the sensor. MetPolarIm fabrication requires rethinking and knowledge of numerous processing methods, equipment, benefits, limits, and repeatability to create the simplest and most repeatable device manufacturing technique. Future sensor enhancements are prioritized in device efficiency, spectral bandwidth, detection accuracy, and field of view to support additional possible applications like clinical diagnostic imaging.