As an important part of optical fiber communication system, optical module plays the role of photoelectric conversion. This article will introduce the core devices of the optical module.
The Global "Laser Components Market" Study report 2021-2027 is a factual assessment and in-depth look at the current and future laser components industry market.
Laser distance measuring is measured using a laser as a light source.It is divided into continuous laser and pulse laser according to the mode of laser operation.Gas lasers like helium-neon, argon ion, krypton cadmium and so on work in a continuous output state for phase laser ranging, dual heterogeneous GaAs semiconductor laser for infrared ranging; solid laser such as ruby, neodymium glass, for pulse laser ranging.Laser rangefinder due to the characteristics of good monochromy and strong orientation of laser, coupled with the semiconductor integration of electronic lines, compared with the photoelectric rangefinder, it can not only work day and night, but also improve the rangefinder accuracy.
Optical fiber modules are components used to connect optical fiber cables to electronic devices. Optical fiber modules have many different parts, and different modules are designed to different specifications. Each part of the module is connected to a board that can be installed as a unit of electronic equipment.
The transmission distance of the optical module refers to the distance over which the optical signal can be directly transmitted without relay amplification. It is divided into three types: short-distance, medium-distance, and long-distance. Generally speaking, 2km and below are short distances, 10-20km are medium distances, and 30km, 40km and above are long distances. Optical modules of different wavelengths with different optical fibers correspond to different transmission distances.
The fiber cut-off wavelength is to ensure that only one mode exists in the fiber. One of the main transmission characteristics of single-mode fiber is the cut-off wavelength, which is of great significance for fiber optic cable manufacturers and users of fiber optic cables to design and use fiber optic transmission systems.
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