Blue laser diodes

Blue laser diodes are tiny devices that emit focused blue light through a process called stimulated emission. They work by passing electric current through a semiconductor material, which causes electrons to release energy as photons—particles of light. When conditions are right, these photons stimulate the release of more photons, creating a coherent and intense blue beam. Blue laser diodes are used in high-definition projectors, data storage like Blu-ray discs, and laser displays because blue light allows for vibrant colors and high precision. Their compact size and efficiency make them essential for various modern optical and electronic applications.