'Plug-and-play' plasmonic metafibers for ultrafast fiber lasers

Integrating plasmonic metasurfaces on optical fiber tips forming so-called metafibers enriches the functionalities of an ordinary optical fiber, yielding a variety of advanced applications such as planar waveshaping, super-resolution ...

A unique pattering strategy based on 'resist nanokirigami'

Photoresist-based patterning strategies have been standardized for decades since the invention of photolithography. However, there are still major challenges in the processing of certain functional structures. For example, ...

The tiny structures that mimic a cell's natural environment

When biologists study cells under a microscope, they look at them on flat surfaces that are nothing like the environment inside the human body. Now, researchers at NTNU have found a way to mimic some aspects of a cell's native ...

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