Boffins build a better pixel capable of emitting and receiving light
Researchers at ETH Zurich have developed a multifunction pixel that can both emit and measure light, which could lead to advancements in display screens and camera sensors. The team, led by Professor David Norris, used a technique involving light wave interference patterns to create Fourier pixels that can control and analyze amplitude, phase, and polarization of optical fields. This innovation has the potential to enable two-way screens, holographic displays, and optical communication systems.
- ▪The new pixel can both emit and receive light, unlike traditional pixels which can only do one or the other.
- ▪The researchers used a technique involving light wave interference patterns over a metallic surface to develop the Fourier pixels.
- ▪The Fourier pixels can create and detect the amplitude, phase, and polarization of optical fields, making them useful for various applications.
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