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Fiber Jumper Interface Type PC, APC, UPC

2019-12-09 17:30:12

Fiber Jumper Interface Type PC, APC, UPC

In order to make the end faces of the two optical fibers better contact, the ferrule end faces of the fiber jumper are usually ground into different structures. Common grinding methods are: PC, APC, UPC. PC / APC / UPC represents the front-end surface structure of the ceramic ferrule.

PC is Physical Contact. PC is a microsphere grinding and polishing, the surface of the ferrule is ground into a slight spherical surface, and the fiber core is located at the highest point of bending. This can effectively reduce the air gap between the fiber components and bring the two fiber ends into physical contact.
UPC (Ultra Physical Contact). The end face of the UPC connector is not completely flat, and there is a slight arc to achieve more accurate mating. UPC is based on PC to optimize the end surface polishing and surface finish, and the end surface looks more domed.

APC (Angled Physical Contact) is called beveled physical contact, and the end face of the fiber is usually ground into an 8 ° bevel. The 8 ° angle bevel makes the fiber end face tighter, and reflects light through its bevel angle to the cladding instead of returning directly to the light source, providing better connection performance.



PC is the most common grinding method for optical fiber connectors on optical fiber jumpers, and is widely used in telecommunication operator equipment. UPC is commonly used in Ethernet network equipment (such as ODF fiber distribution frames, media converters and fiber switches, etc.), digital, cable television and telephone systems. APC is generally used in optical radio frequency applications such as CATV, and also in optical passive applications, such as PON network structures or passive optical local area networks.

If you want to know more information, you can click this link.

http://www.ccofcn.com

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