The application of tungsten wire in fiber optic communication equipment is mainly reflected in the following aspects:
- Manufacturing of fiber optic connectors
Fusion: Tungsten filaments are often used as heating elements in fiber optic fusion splicers. These heating elements are used to heat and melt the ends of optical fibers so that they can be connected together at appropriate angles. Tungsten filaments can withstand high temperatures during the fusion process due to their high melting point (about 3422°C) and high temperature resistance.
- Sensor application
Fiber optic sensor: In some fiber optic sensors, tungsten filaments may be used as a constituent material for temperature or strain sensors. Because tungsten has good stability and high strength, it can maintain reliable performance in harsh environments.
- Photoelectric conversion devices
Photodiodes: Tungsten filaments can be used in some types of photodiodes or photodetectors as electrode materials. Due to its good conductivity and high temperature stability, tungsten can effectively increase current output in these devices.
- Heat source
Temperature control: During the testing and debugging of fiber optic communication equipment, tungsten filaments can be used as a heat source to control the temperature of the equipment. For example, in some testing processes, it is necessary to heat the optical fiber to ensure its performance at different temperatures.
- Fiber lasers
Laser emission: Tungsten filaments may also play a role in fiber lasers, either as an excitation source or as part of the gain medium. Tungsten’s high melting point and good electrical conductivity keep it stable in high-power applications.
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