Super-sharp images through thin optical fibres

Super-sharp images from within the human body made through tiny endoscopes have come a step closer to reality thanks to joint research by scientists from the University of Twente's MESA+ research institute, the Max Planck ...

Cascaded metasurfaces for dynamic control of THz wavefronts

Electromagnetic (EM) waves in the terahertz (THz) regime contribute to important applications in communications, security imaging, and bio- and chemical sensing. Such wide applicability has resulted in significant technological ...

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