• Smartphone cameras are becoming smaller, yet photos are becoming sharper. • Korean researchers have elevated the limits of next-generation smartphone cameras by developing a new image sensor technology that can accurately represent colors regardless of the angle at which light enters. • The team achieved this by utilizing a “metamaterial” that designs the movement of light through structures too small to be seen with the naked eye.
Article Summaries:
- Korean researchers have announced a new image‑sensor design that preserves accurate color reproduction even when light strikes the sensor at steep angles. The team employs a metamaterial-an engineered structure with features smaller than visible wavelengths-to steer and control light within the sensor’s active area. By tailoring the light’s path at the sub‑micron scale, the sensor mitigates the color distortion that typically occurs in compact smartphone cameras when light enters obliquely. This advancement could enable sharper, more color‑accurate photos in next‑generation mobile devices without increasing sensor size.
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