Lasers and fiber optics

The advent of the laser and its extensive application have led to the creation of new topics in science and technology. One is modern fiber optics. The most highly developed application of fiber optics at present is fiber-optic communication. This review discusses different types and technologies of low-loss glass optical fiber, the theory of optical fibers, and certain phenomena that accompany the propagation of optical radiation in such fibers, including nonlinear optical phenomena.