What does refractive index actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.

Researchers report the development of ultrahigh refractive index metamaterials which are integrated with a low refractive index polymer producing distributed Bragg reflector (DBR). The highest ...

Physicists at Harvard University in the US have built a silicon waveguide that exhibits a refractive index of, or close to, zero when operating at near-infrared telecom wavelengths. The waveguide can ...

This will potentially allow to create more compact and efficient elements for lasers, sensors, and optical chips. Moreover, it proves the hypothesis that physicists had about the connection between a ...

Discover how wave refraction works, why it happens and how it affects surfing in this easy-to-understand guide.