Performance parameters of optical fiber connectors
With the continuous development of optical fiber communication technology, especially the development of high-speed local area networks and optical access networks, optical fiber connectors will be more widely used in optical fiber systems. At the same time, more and higher requirements are put forward for optical fiber connectors. The main development direction is: miniaturization of appearance, low cost, and higher and higher performance requirements. In the next period of time, various newly developed optical fiber connectors will work with traditional FC and SC connectors to provide useful assistance to my country's communications reconnaissance industry. Then Shenzhen connector manufacturer Lilutong will explain to you the performance parameters of optical fiber connectors.
The performance of optical fiber connectors is first of all optical performance. In addition, the interchangeability, repeatability, tensile strength, temperature, and plug-in times of optical fiber connectors must also be considered.
1. Optical performance
The requirements for the optical performance of optical fiber connectors are mainly the two most basic parameters of insertion loss and return loss.
Insertion Loss (InsertionLoss) is the connection loss, which refers to the loss of the effective optical power of the link caused by the conduction of the connector. The insertion loss is as small as possible. Generally, it should be no more than 0.5dB.
Return Loss (ReturnLoss, ReflectionLoss) refers to the ability of the connector to suppress the reflection of link optical power, and its typical value should not be less than 25dB. In the actual connector, the pin surface has been specially polished, which can make the return loss greater, generally not less than 45dB.
2. Interchangeability and repeatability
Optical fiber connectors are universal passive devices. For the same type of optical fiber connectors, they can generally be used in any combination and can be used repeatedly. The additional loss introduced by this is generally less than 0.2dB.
3. Tensile strength
For a finished fiber optic connector, it is generally required that its tensile strength should not be less than 90N.
Generally, the optical fiber connector must be able to be used normally under the temperature of -40oC~+70oC.