Ray Optics often overwhelms Class 12 students due to formulas and sign conventions. An expert board examiner explains why rote learning fails and how visual thinking, ray diagrams, and conceptual ...

A career in optical physics or engineering means knowing about the behavior and properties of light, including its interactions with matter and its detection by instruments. Since the discovery that ...

Atomic, molecular and optical (AMO) physics explores the quantum behaviour of electrons, atoms and light, and their mutual interactions across energy, length and time scales. In atoms and molecules, ...

Optical metrology is the science and technology of making measurements with use of light as standards or information carriers. Although optical metrology is a rapidly growing area, it is not a new ...