Geometrical optics, a branch of optics that eschews wave phenomena in favour of ray propagation, continues to underpin advances in lens design and optical engineering. Contemporary studies in this ...

THE revised edition of Prof. SouthalPs text-book of geometrical optics, in addition to a number of new problems scattered throughout the book, contains an important new chapter at the end of the ...

(Left) Birefringence image of a flat lens and intensity patterns of 488 nm laser beams with different handeness circular polarizations focused and defocused by the same lens. The focal lengths are ± ...

Lumus debuts ZOE at CES 2026, the first geometric waveguide with a >70° field of view that will make AR glasses look like ...

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 ...