Background Of Fiber Laser

Fiber laser has a wide range of applications, including laser optical fiber communication, laser space long-distance communication, industrial shipbuilding, automobile manufacturing, laser engraving, laser marking, laser cutting, printing roller, metal and non-metal drilling/cutting/welding (brazing, quenching Water, cladding and deep welding), military defense security, medical equipment, large-scale infrastructure, as a pump source for other lasers, etc.
Fiber lasers refer to lasers that use rare earth-doped glass fibers as gain media, and fiber lasers can be developed on the basis of fiber amplifiers. Under the action of the pump light, it is easy to form an increase in the power density in the optical fiber, causing the laser energy level of the laser working material to "reverse the number of particles". When the positive feedback loop is properly added (to form a resonant cavity), the laser oscillation output can be formed.