Angle-dependent holograms made possible by metasurfaces

Recently, a research team from Pohang University of Science and Technology (POSTECH) has employed metasurfaces to fabricate angle-dependent holograms with multiple functions. This technology allows holograms to display multiple ...

Protecting light communication with random objects

Researchers from the Complex Photonic Systems (COPS) group used two layers of random materials to encrypt and decrypt a message sent via light communication. With that, they hid the sender and receiver simultaneously, and ...

A new type of photonic time crystal gives light a boost

Researchers have developed a way to create photonic time crystals, and they have shown that these bizarre, artificial materials amplify the light that shines on them. These findings, described in a paper in Science Advances, ...

A metaholographic platform that detects light exposure

During the COVID-19 pandemic last year, an incident occurred where vaccines exposed to room temperature had to be discarded. Biomedical substances, including vaccines, risk deterioration if not stored properly, so strict ...

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