The use of fiber optic connectors is most closely related to optical fiber systems under normal conditions. Connector manufacturers have largely standardized and simplified connectors when connectors are not widely used and are not easy to use. In the process of using optical fiber systems, users are more convenient to use connectors.
The key features of optical fiber connectors include optical properties, interchangeability, reproducibility, tensile strength, temperature, and frequency of inserting and drawing.
1. Optical properties: Optical performance requirements of optical fiber connectors are mainly two basic parameters, insertion loss and return loss. The insertion loss is the connection loss of the effective light strength loss, because the connector is plugged in. The insertion loss is as small as possible, Fiber Optic Connector and generally requires not about 0.5dB. The Echo loss (or reflection loss) is the light intensity inhibition of the reflector in the link, and the typical value should not be less than 25dB. In the practical application of the connector, the special polishing treatment of the needle surface can make the return loss greater, Fiber Optic Connector usually not less than 45dB.
2, interchangeability and reproducibility: The fiber connector is a general-purpose passive device, the same type of fiber connector can be used in any connection, and can be reused, so usually the additional loss of entry in the case is generally less than 0.2dB.
3, tensile strength: For the fiber connector has been connected, Fiber Optic Connector tensile strength under normal circumstances requirements of not less than 90N.
4, Temperature: In general, optical fiber connectors must be used in the temperature range of 40 ℃ to 70 ℃.
5, the number of plug-and-pull: Usually, the current fiber connector can be plugged more than l000 times.
Fiber optic connectors According to the structure of its connector head, Fiber Optic Connector fiber optic connectors are divided into many kinds, such as FC, SC, ST, LC and other models of connectors. But same, the core components of various types of fiber connectors are the same, using high-precision components, namely two pins and a coupling tube to achieve fiber alignment.
Fiber optic connector is a commonly used connector products, used in optical fiber can be repeated plug-and-pull devices also known as fiber-optic movable joint, for high-capacity high-speed transmission system, Fiber Optic Connector also requires reflection small. What is the performance characteristic of fiber optic connectors? The following small series on the specific introduction, hope can help everyone.
The performance of optical fiber connectors, first of all optical performance, in addition to the optical fiber connector interchangeability, repeatability, tensile strength, temperature and the number of plug-and-pull.
(1) Optical properties: For optical fiber connectors, the optical performance requirements, Fiber Optic Connector mainly the insertion loss and return loss of the two basic parameters.
Insertion loss (Insertionloss) is the connection loss, which is the loss of the effective optical power of the link caused by the import of the connector. The smaller the insertion loss, the better the general requirements should not be greater than 0.5dB.
The Echo loss (Returnloss, Reflectionloss) is the ability of the connector to reflect the link light power, and its typical value should not be less than 25dB. The actual application of the connector, Fiber Optic Connector the needle surface through a special polishing treatment, can make the return loss of greater, generally not less than 45dB.
(2) interchangeability, repeatability
Fiber optic connectors are common passive devices, for the same type of fiber optic connectors, can be used in any combination, and can be reused for many times, the additional loss of imports is generally less than 0.2dB.
(3) Tensile strength
For a good optical fiber connector, the general requirements of its tensile strength should not be less than 90N.
General requirements, fiber optic connectors must be at the -40oc~+70oc temperature can be used normally.
(5) Number of Inserts
The fiber optic connectors used now basically can be plugged l000 more than once.