Polarization PM SC SM Fiber Patch Ka

1.Polarization Maintaining Optical Fiber (PMF, Polarization Maintaining Optical Fiber) is a special fiber that overcomes the influence of environmental factors on the polarization state in the fiber during transmission by increasing the inherent birefringence properties of the fiber, and maintains the polarization state of the light wave transmitted in the fiber. In the field of optical fiber communication, the stability and communication capacity of the optical transmission system can be improved, and the error caused by polarization coupling in the optical path can be significantly reduced in the optical fiber sensing system.

2.Polarization-maintaining fibers transmit linearly polarized light and are widely used in various fields of the national economy such as aerospace, aviation, navigation, industrial manufacturing technology and communications. In the interferometric fiber optic sensor based on optical coherence detection, the use of polarization-maintaining fiber can ensure that the linear polarization direction remains unchanged, improve the coherent signal-to-noise ratio, and achieve high-precision measurement of physical quantities. As a special type of optical fiber, PM fiber is mainly used in sensors such as fiber optic gyroscopes, fiber optic hydrophones, and fiber optic communication systems such as DWDM and EDFA.

1.Transmission of polarized light signals

2.Ensure that the polarization direction of the fiber jumper remains unchanged

3.High coherent signal-to-noise ratio

4.High-precision measurement of physical quantities can be achieved

fiber-optic laser

ISO9001

PM fibers are mainly used in devices that do not allow changes in the polarization state (eg, caused by temperature changes). For example, fiber interferometers and some fiber lasers. The disadvantage of using this kind of fiber is that the polarization direction must be strictly aligned, so the manufacturing process is complicated. At the same time, the transmission loss of polarization-maintaining fibers is higher than that of ordinary fibers, and not all fibers can be made into polarization-maintaining forms.

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