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Macro Bend-insensitive fiber adds a layer of glass around the core of the fiber which has a lower index of refraction that literally “reflects” the weakly guided modes back into the core when stress normally causes them to be coupled into the cladding.
Macrobending of an optical fiber is the attenuation associated with bending or wrapping the fiber. Light can “leak out” of a fiber when the fiber is bent; as the bend becomes more acute, more light leaks out.
Macrobend loss refers to losses induced in bends around mandrels (or corners in installations), generally more at the cable level or for fibers, the bends necessary to fit fibers inside splice closures or patch panels.
To illustrate this, macrobending testing is done by wrapping the fiber or cable around a mandrel of a specified diameter. Macro Bend-Insensitive Fiber does not only come in patch cord, but is also popularly used for riser or trunk cable, outdoor aerial, and underground cable.
The Global macro-bend insensitive fibers market accounted for $XX Billion in 2022 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2023 to 2030.
Sterlite Launches Enhanced Family of Bend-insensitive Fibers – Sterlite Technologies Limited , a leading global provider of transmission solutions for the telecom and power industries, has announced the launch of three new products in its bend-insensitive BOW LITE family of fibers.
These include the brand new BOW LITE SUPER (G.657 B3), and significantly improved BOW LITE PLUS (G.657 A1) and BOW LITE ENHANCED (G.657 A2.B2) fibers.
All fibers have industry leading specifications for attenuation and macro-bend loss with tight geometry control making them particularly suitable for Fiber to the Home (FTTH) applications. Furthermore, Sterlite is one of the few manufacturers in the world with the scale to offer novel products for such applications.
Optical fiber cables in FTTH networks experience several tight bends, especially in distribution section of the network, drop cables found in multi dwelling units, and cables inside the homes. The use of bend insensitive G.657 fibers in FTTH installations is required as carriers have to contend with tight power budgets, and uncertain deployment conditions needing healthy safety margins.
Additionally, since bandwidth demands of end consumers keeps increasing at an exponential rate, carriers have to future proof their network assets, even as they are deploying current generation technology.
With its significantly low macro bend loss and attenuation, Sterlite family of bend-insensitive fibers are the perfect solution to the carriers’ FTTH needs, suited to all FTTH architectures and deployment conditions.
