Fiber Optic Communication

Multimode fiber has been highly favored by Ethernet users and gained the widest acceptance in network backbones where it has offered users the opportunity to extend link distances, increase network reliability, and lower costs by centralizing electronics. OM3 fiber emerges just at the right time. The predominance of OM3 fiber is that utilizes laser-optimized fiber, which is the highest-capacity medium for short-wave 10G optical transmission. OM4 fiber just joined multimode fiber family after OM3 fiber in order to meet the requirement of longer range applications. This passage would give a brief introduction to OM3 and OM4 fiber, give a further analysis on their differences and selection guide, as well as list their applications. Introduction to OM3 & OM4 Fiber Both OM3 and OM4 fiber meet the ISO 11801 standard. The standard specifies that OM3 fibers are capable of 10 Gb/s performance over distances of up to 300m. Like being mentioned, the laser optimized 50/125 mm multimode O...

Multimode fiber optic cable has been widely used in our daily life for its cost-effective, low power consumption and etc. The OM family recently was added a new member, called as OM5. Different from the previous OM1 to OM4, OM5 is a wideband multimode fiber, which will support short wavelength division multiplexing (SWDM). This article would provide general information about OM5 and differences between OM5 and OM3, OM4. Information About OM5 As early as 2016, Commonscope introduced their LazrSPEED Wideband Multimode Fiber (WBMMF), and the ISO/IEC decided the nomenclature for WBMMF is OM5 in October 2016. Later, wideband OM5 fiber was defined by IEEE 802.3bs, which refers as a multimode 400Gb/s link, 400GBASE-SR16, using 16 transmit and 16 receive fibers (32 fibers total) over a link distance of 100 m. Currently it shows that OM5 wider operating window offers no immediate advantages compared with OM4 fiber. But using OM5 will make the network ready for future use of SWDM technolo...