Fiber optic data collection: fiber optic classification There are many types of optical fibers, and there are various classification methods. From the material point of view, there are quartz-based optical fibers, multi-component glass optical fibers, plastic-clad quartz core optical fibers, all-plastic optical fibers, and fluoride optical fibers, etc. Plastic optical fibers are made of highly transparent polystyrene or polymethyl methacrylate (organic glass). Its characteristics are low manufacturing cost, relatively large core diameter, high coupling efficiency with light sources, high optical power coupled into optical fibers, and convenient use. However, due to large losses and small bandwidth, this type of optical fiber is only suitable for short-distance and low-speed communications, such as short-distance computer network links, shipboard communications, etc. At present, quartz-based optical fibers are widely used in communications. According to the transmission mode, it can be divided into single-mode optical fibers and multi-mode optical fibers according to the transmission mode of light in the optical fiber.
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