People debating politics are well-advised to shed more light than heat. Engineers working in optical technologies have the same aspiration. Light waves transmit data with much greater speed than do ...

Lasers find applications across several fields ranging from telecommunications and remote sensing to medicine. There are many ways in which one can generate laser emission, or lasing, from a device or ...

Visual demonstration of the performance of the diffraction grating. The zeroth order transmission refers to light that goes straight through the grating without undergoing diffraction (which should be ...