Multimode Beam A multimode beam refers to a laser beam that contains multiple optical modes or propagation paths, each with its own phase and amplitude characteristics. Multimode beams are generated in laser systems that support multiple transverse modes of oscillation within the laser cavity. Unlike single-mode lasers, which produce beams with a single well-defined spatial mode, multimode lasers can emit beams with a broader spectrum of spatial modes, resulting in larger beam diameters, variable intensity profiles, and increased divergence.
Multimode beams are commonly used in various laser applications, including material processing, telecommunications, fiber optics, and medical devices, where the beam's spatial characteristics may be less critical or where high power and efficiency are desired. |
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