Advantages:
1. High cutting quality, flat and smooth incision, no damage to the fiber core.
2. No heating treatment is required, no thermal stress is generated on the fiber, and different refractive index areas are generated in the optical fiber, thereby reducing the transmission efficiency.
3. No need to use special fixed equipment, fast cutting speed and high production efficiency.
4. Low maintenance cost and long service life.
Disadvantages:
1. High requirements on the material and precision of the cutting knife.
2. High equipment cost.
2. Hot melt cutting knife
Hot melt cutting knife is a way to cut optical fiber using a high-temperature heat source. It uses a heat source to heat the optical fiber to near the melting point, and then quickly stretches the heated optical fiber to break it, thereby achieving the purpose of cutting. This cutting method is suitable for single-mode optical fiber, and the cutting speed is usually slow.
Advantages:
1. Wide range of use, can be applied to the cutting of most single-mode optical fibers.
2. Not easy to generate dust.
3. The cutting speed is slow, and the precise length requirements can be achieved.
Disadvantages:
1. The cutting quality depends on the heating temperature and stretching speed. If the heating temperature is not enough or the stretching speed is not fast enough, it is easy to cause the incision to be rough, affecting the optical fiber transmission effect.
2. Special fixed equipment must be used, which occupies a large area.
3. The equipment cost is high and the maintenance cost is also high.