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Add: No.101 B.S. Industrial Zone, Wangniudun Town, Dongguan City, Guangdong, China
Tel: +86-769-81209595
Mob: +8613242086178 (WeChat or Whatsapp)
E-mail: milton@hgcable.cc
Helen Golden: helen@hgcable.cc

Double Jacketed Fiber Optic Cable

Double Jacketed Fiber Optic Cable

Graded index multimode fiber uses variations in the composition of the glass in the core to compensate for the different path lengths of the modes. It offers hundreds of times more bandwidth than step index fiber - up to about 4 gigahertz/km.
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1-144 cores GYTY53 Double Jacket Direct Buried Optical Fiber Cable

Central strength member

1.8mm Steel

Outer diameter

Vary from 7 to 14mm

Application

Direct burial and underground cable networking system

Cores available

2,4,6,8,12,24,36,48,72,96,144

Cores type

G652D,G657A1,G657A2, G655C

Attenuation @1310nm

 ≤0.36dB/km

Attenuation @1550nm

 ≤0.22dB/km

OEM/ODM

Yes

Package

1/2/3km each exporting wooden drums

Cover

PE,HDPE

01

Learn more about Fiber Optic Cable:

Graded Index Multimode Fiber

Graded index multimode fiber uses variations in the composition of the glass in the core to compensate for the different path lengths of the modes. It offers hundreds of times more bandwidth than step index fiber - up to about 4 gigahertz/km. Two types are in use, 50/125 and 62.5/125, where the numbers represent the core/cladding diameter in microns. Graded index multimode fiber is primarily used for premises networks, LANs, fiber to the desk, CCTV and other security systems.

Graded index (GI) fiber is made with a range of materials in the core which are chosen to minimize modal dispersion caused by different path lengths of different modes being transmitted down the fiber. The core index profile is curved - a parabola to be exact - with lower index glass on the outside of the core. The lower index glass transmits the higher angle light rays (called high order modes) faster than the lower index glass near the center of the core.

GI Fiber animation

The index profile of the core of multimode GI fiber is not continuous, which is hard if not impossible to manufacture, but is in steps, from hundreds of steps to thousands depending on the fiber design and manufacturing process. As a mode of light goes through each step, it is bent slightly until it is reflected back toward the core of the fiber.

To help visualize the layers in the fiber, consider a Fresnel lens, a "flat" lens made from annular rings of glass that approximate a regular lens. These lenses are used in lighthouse lights like this one:

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  • Contact Us

    Add: No.101 B.S. Industrial Zone, Wangniudun Town, Dongguan City, Guangdong, China
    Tel: +86-769-81209595
    Mob: +8613242086178 (WeChat or Whatsapp)
    E-mail: milton@hgcable.cc
    Helen Golden: helen@hgcable.cc

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