Figure 1: Schematic of two-photon polymerization direct laser writing inside a liquid crystal director. Localized polymerization forms a rigid network that locks the liquid crystal director and ...

THERE is a point in connection with the ordinary expositions of Fresnel's theory of double refraction to which, on account of its frequent occurrence, it is perhaps worth while to direct attention. It ...

Innovative new optical components based on "birdbath", holographic, and dynamic focus tuning effects are being tipped to replace Fresnel lenses in extended reality (XR) headset designs over the coming ...

Try on an Oculus Rift or HTC Vive and one of the first things you’ll probably notice looking through the lenses are fine concentric circles, creating something many call ‘God Rays’—especially ...