ORTE's unique coating peeling control technology
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An optical fiber usually consists of three parts: a core, a cladding, and a coating, as shown in Figure 1.
The fiber core completes the transmission of optical signals. The refractive index of the cladding layer is different from that of the fiber core, which can seal the optical signal in the fiber core for transmission and protect the fiber core. The main function of the coating layer is to protect the fiber from the outside world. damage while increasing the flexibility of the fiber. Because both the core and the cladding are made of glass and are fragile when bent, the use of the coating protects and prolongs the life of the fiber.
Figure 1 Fiber structure
One of the typical failure modes of fiber optic couplers is that microcracks on the surface of the fiber cladding (as shown in Figure 2) continue to "grow" under the erosion of water vapor, causing the fiber in the coupling area to break and fail, as shown in Figure 3.
Figure 2 Optical fiber microcrack
Figure 3 Crack "growth" leads to fracture in the coupling region
When using the fusion tapered process to make fiber optic couplers, it is necessary to peel off and clean the coating layer on the surface of the fiber. If you want to make a high-performance fiber coupler, you must ensure that the cladding surface will not be damaged cause some damages". Table 1 introduces two current technologies for stripping the coating layer, namely Miller forceps and ORTE fiber strippers.
Using ORTE fiber stripping pliers to strip the coating layer, the fiber strength is significantly better than using Miller pliers. The ORTE fiber stripping pliers with independent intellectual property rights can effectively reduce the generation of micro-cracks on the fiber surface, and the stripping consistency is good, and the coating is non-destructive Layer stripping technology is the key technological basis for the manufacture of high-performance optical fiber couplers.
Conventional fiber is composed of three parts: core, cladding and coating. As shown in the picture, the fiber core completes the transmission of the optical signal. The refractive index of the cladding and the core is different, which can enclose the optical signal in the core for transmission and protect the core. The main function of the coating layer is to protect the fiber from the outside world. damage, while increasing the flexibility of the fiber. Because both the core and the cladding are made of glass, which is Fragile when bent, the use of the coating layer protects and prolongs the life of the fiber.
When using the fusion taper process to make optical fiber couplers, the coating layer on the surface of the optical fiber needs to be stripped and cleaned. In order to make high-performance optical fiber couplers, it is necessary to ensure that the coating layer is not worn when stripping the coating layer.
One of the typical failure modes of fiber optic couplers is that the micro-cracks on the surface of the fiber cladding continue to "grow" under the erosion of water vapor, resulting in fiber breakdown in the coupling area and failure.
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