澳洲幸运8开奖官方结果体彩网站|澳洲8官网开奖记录+结果查询 Optical Fiber
Definition: An optical fiber is a thin flexible strand made up of glass(silica) or plastic that is used for transmitting optical (light) signals. Usually, the diameter of the optical fiber is more as compared to human hair. More specifically, we can say that it is a waveguide that has the ability to transmit electromagnetic waves …