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 ...

Sunlight, moonlight, torchlight, and flashlight... They all come from different places, but they’re the very same thing: light! It’s what makes it possible for us to see the world around us, so it’s ...

Optics has a long and distinct tradition among physical sciences. Ever-present throughout human history, optical systems and phenomena have been subject of interest in all cultures and epochs, from ...