The user can create and project beams composed of photon that are capable of piercing virtually anything they come in contact with and have explosive properties. The user can control the intensity of their beam for harmless or deadly burning effects.
Makarov Dreyar (Fairy Tail) using Rain of Light to fire multiple rays of light towards the target.
Borsalin/Kizaru (One Piece) projecting powerful light beam during his fight with Zephyr.
An Aurora Beam is an ice technique, but since aurora is a form of light, it makes it a light beam.
A SolarBeam is basically a beam of collected sunlight.
Keith Violet's Eye of Balor can disperse refractive nanomachines into the air that act similarly to fiber - optic filaments and can redirect, amplify, and focus light to fire lasers whose paths cannot be predicted.