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A fiber-optic cable, also known as an optical-fiber cable, is an assembly similar to an electrical cable but containing one or more optical fibers that are used to carry light. The optical fiber elements are typically individually coated with plastic layers and contained in a protective tube suitable for the environment where the cable is used. Different types of cable are used for different applications, for example, long-distance telecommunication or providing a high-speed data connection between different parts of a building.
Optical fibers are used as a medium for transmitting light waves between the two ends of an optical fiber. It is commonly used in fiber optic communications cables to allow light pulses to travel over long distances. Fiber optics are also used to transmit telephone signals and cable TV signals.
The advantage of optical fiber is that it can provide higher bandwidth capacity than wire. In addition, they have anti-crosstalk features against electromagnetic interference, so you can ensure that your network system can transmit and transmit noise-free signals.
The innermost to outermost portion of the fiber optic cable consists of core wire, cladding, coating, reinforcing fiber, and cable jacket.
The core and cladding are two layers of glass with different refractive indices, with the core having a higher refractive index than the cladding. The sheathing surrounds the outside of the cladding. On the outside, a group of optical fibers are bundled together and protected and held together by an integral outer sheath
It is a physical medium that delivers optical signals from where the light originates to the device that receives it. The core is made from doped silica with an index of refraction of 1.4475. The size of the core diameter dictates how efficient it is in transferring data. The larger core diameter, the higher network data is transferred.
It’s a thinner layer of glass that extends over the length of the core. It carries the light waves that permit data to be delivered to the device. The cladding is made of pure silica with an index of 1.444 at 1500 nm.
It is made of plastic that protects the fiber core and cladding from external forces and cable bends.
The outer covering of the cable is the jacket. This can also be called its sheath. The purpose is to shield the cable from hazards, such as in installations and even from sharks in underwater fiber cable installations as they are attracted to electrical fields created by the cable.
designs are typically smaller in size and more flexible. The 900-micron tight buffer fiber is easier to connectorize, and the cable is generally easier to prepare for termination. A tight buffered fiber cable does not typically provide protection from water migration and does not isolate fibers well from the expansion and contraction of other materials due to temperature extremes.
The fibers stand as protection for the core against compressive forces or crushing and tension or excessive pulling. Material used can be Kevlar®, wire strands or even gel-filled component. A dark glass is placed with the fibers to absorb light and prevent leaking. Thus, cross-talk between the fibers are reduced.
How they work?
Fiber Optic Cable Principle
After solving “what is fiber optic cable”, “how it works” may be the top question related to it. Actually, light travels down a fiber optic cable by bouncing repeatedly off the walls. The fiber core and the cladding bend the incoming light at a certain angle with their own refractive index. When light signals are sent through the fiber optic cable, they reflect off the core and cladding in a series of bounces, which a process called total internal reflection.
The sheath covering the fiber optic cable is not susceptible to fire hazards as optical fiber, being dielectric, does not use electricity.
Typically, optical fiber transmits data faster than copper Ethernet cable and has the potential to be incredibly fast. In fact, a single optical fiber strand has been shown to transmit data at a rate of 100 terabits per second.
Information sent via fiber optic cables is much more difficult to intercept because light can’t be read in the same way signals sent via copper cabling can be.
High Capacity and Bandwidth
Multimode optical fiber can transmit over 1000MHz in a distance of a hundred meter.
Both these types of optical fibers have their own attributes and are used as per the specific requirements. But there are distinguishing differences between both types. In the following paragraphs, we will be shedding light on what are the areas that differentiate single-mode and multimode fiber cables.
As the name suggests, single-mode optical fiber is built to transmit a single light mode, and multimode fiber is designed to propagate several simultaneous light modes. But the difference between single-mode and multimode fiber does not end there. There is a major difference in their built too. Single Mode Fiber Optical Cable features a 9µm optical core. This eventually helps it with longer transmission distance and higher bandwidth. On the other hand, the optical core in a Multimode Fiber Optical Cable measures at 50µm.
When it comes to bandwidth, both optical fiber types function differently. Single Mode Fiber Optical Cable uses strong and brighter light sources with lower attenuation. At the same time, it can deliver unlimited bandwidth, making it a preferred choice in this high-paced world.
As compared to this, Multimode Fiber Optical Cable can transmit multiple light modes. Also, the attenuation is higher, and the brightness is lower. And this is the reason why the bandwidth is limited in Multimode Fiber optical cables. Higher bandwidth is an obvious choice among users who prefer an uninterrupted experience, so the single-mode optical fiber has the upper hand over Multimode Fiber Optical Cable in this regard.
Distance in fiber optical cables means transmission distance, and this is decided by the electronics and their light output capacity. And here also, single-mode optical cables come out as the forerunner. It is capable of both short and long-distance transmission. And at the same time, the transmission is not affected by signal bandwidth or resolution quality. The majority of these can relay up to 10kms over a single-mode fiber cable.
On the contrary, the maximum range of a multimode fiber cable hovers between 300m – 550m. This shorter distance is due to the cable grading that is associated with Multimode Fiber optical cables.
Fiber optic cable is avidly used in the telecommunications industry for receiving and transmitting applications. Telephone is the number one use of fiber optic cables for communication.
Fiber optic cable is also popular around the world for network data transfer, used in connecting servers. It presents accurate data transmission, speedy transfers and high bandwidth capabilities over long distances.
Imaging is also a popular use of fiber as it can effectively relay signals in sensory devices that completely eliminates EMI problems. It is often found in many industrial applications. Even CATV Cable companies use fiber optic cables for wiring HDTV, CATV, video-on-demand, the internet and many other applications.
Fiber optic cables can be used in hydrophones for SONAR or other seismic uses, such as underwater wiring in submarines, aircraft, and other vehicles.
No matter what structure of fiber optic cable you want, based on our 19+ years of extensive experience, we can manufacture it.
Single mode, multimode
G.652, G.657, OM2, OM3…
1-24 core, up to 288 core
Unitube, MLT, CST, SWA…
Armored, non armored
Tensile, Crush, Span…
PVC, LSZH, Flame retardant…
1km, 2km, 4km, 6km…
In particular, our production lines supports color stripe on the out sheath of the fiber optic cable, which makes the final product can be distinguished from the vast majority of fiber optic cable on the market.
We are a professional manufacturer of fiber optic cable and FTTx products. All of our fiber optic cables are made according to different specs or materials to meet clients’ unique requirements. Therefore, we don’t have a price list.
*Express for samples or small trial order, such as Fedex, DHL, UPS, etc.
*Shipping by sea,train, air for regular operations.
Why Choose Dierite Fiber Optic Cable?
If you are looking for ODM/OEM for fiber optic cables in China, you have come to the right place.
We design and manufacture high quality and high performance fiber optic cables from which you can choose a variety of indoor and outdoor options.
Our network cable creates tremendous opportunities for data centers, home fiber Internet providers and the telecommunications industry, where we offer the best and most cost effective fiber systems.
For more than 10 years, we have been a trusted cable supplier in China and actively and reliably supply cable to different countries around the world. Our expert team members are available to work with you from the design phase through feature selection, fiber optic cable manufacturing, and all the way to product delivery.
Our Dierite, we meet and exceed your wiring requirements with the highest dedication and enthusiasm, and provide the best customer service and after-sales service.
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