What is the definition and function of pigtail fiber?

Pigtail fiber, also commonly known as fiber pigtail or optical fiber pigtail, refers to a type of optical fiber cable that has one end equipped with a connector (such as LC, SC, ST, etc.) while the other end is a bare optical fiber or optical fiber cable. Here are detailed explanations of its definition and function:

Definition

Composition: Pigtail fiber typically consists of a Ferrule (micro tube) and Fiber (optical fiber), which are bonded together using adhesive.
Structure: The end face of the optical fiber is a fragile part, so it requires appropriate protection to avoid damage. Therefore, a glass head sleeve (Glass Ferrule, referred to as Ferrule) is sleeved on the outside of the optical fiber, and then polished to achieve the required flatness of the optical fiber end face.

Function

Connection Role: Pigtail fiber is primarily used to connect optical fiber equipment to other parts of the optical fiber network. For instance, one end of the pigtail fiber may be connected to an optical fiber switch, while the other end is connected to an optical cable, which is further connected to other network equipment or terminals.
Usage Scenario: Pigtail fibers are typically shorter in length and are mainly used to complete the final connection between equipment and the network. They play a crucial role in ensuring the smooth transmission of optical signals in optical fiber communication systems.

In summary, pigtail fiber is an important component in optical fiber communication systems, offering flexible and reliable connections between optical fiber equipment and the network.

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