Optical Fibre Cable

Optical fibre cables have several optical fibres bundled together, which are usually covered in individual protective covers to reduce losses and damage. These cables are used to transfer data signals in the form of light pulses to distances of hundreds of miles with higher bandwidth and throughput rates than achievable via standard electrical communication cables. Read More..

In today’s world, optical fibre cables are the primary source of high-bandwidth, long-distance communications between multisite organizations, telephone companies, and several other long-distance communications applications. While the world continues to move towards connectivity, it’s required to focus on components and hardware that support a connected world. As compared to copper cables with similar thickness, fibre optic (fiber optic) cables support a higher capacity for bandwidth. Moreover, optical fibre cables transmit data over longer distances, allowing network providers to offer services in remote areas around the world. Last but not least, optical fibre cables support a large part of the world’s internet more efficiently and effectively than standard copper cables. STL’s customised cable solutions cater to high-bandwidth applications of data centers, global internet companies, ISPs and telcos, and citizen network services. STL offers a wide range of cables, including Aerial, Underground, Micro duct, Ribbon, IO and Indoor, Last Mile connectivity and special application cable. The optical fiber cable manufacturing in STL’s high-tech laboratory offers next-generation optical fiber cable for you and your business. These optical fiber cables are capable of simulating any national or worldwide size network and evaluate signal strength in longer distance networks up to 2000 km in length. By using STL’s optical fiber cable, you can boost your internet connection speed up to 100 Gbps. STL manufactures various types of optical fiber, like a large variety of ribbon optical cables, that are available to fulfill applications that need the maximum fiber density in the smallest cable packaging feasible. Aerial cable with high tensile strength, secure transmission and rapid communication speeds, and a limitless bandwidth and capacity, the STL line of microduct blown cables represent a breakthrough in cable shrinking with its world-record fiber densities and cable sizes. They are the perfect elements for 5G infrastructure, FTTx, and high-density access networks. STL’s Last Mile Connectivity optical fiber cable offers a distribution cable plant interface to the customer. Read Less..
Single Jacket Tonable Flat OFC

Single Jacket Tonable Flat OFC

STL’s Optical Fiber Cables: Workings and Specifications

Data is sent across fiber-optic cables using light pulses that move quickly. The center fiber is encircled by yet another layer of glass, referred to as the “cladding,” which forces light to constantly bounce off the walls of the cable instead of leaking out at the edges, allowing the photon to travel further without attenuation. Light moves down fiber-optic cables by frequently bouncing off the surfaces. The way a bobsleigh travels down an ice run, each small photon (particle of light) bounces down the pipe. Read More..

Now, you may anticipate that a light beam going through a clear glass pipe would just leak out the corners. In contrast, if light enters glass at a very shallow angle (less than 42 degrees), it reflects back into the glass as if it were a mirror. Total internal reflection is the name given to this phenomenon. One of the mechanisms keeping light within the pipe is this. The construction of the cable, which is composed of two distinct segments, is another factor that maintains light in the pipe. The core, located in the center of the cable, is the major portion through which light passes. Read Less..


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What our Business Partners say about us

Regarding the research we conducted using your company's fiber optical products, I would like to share my thoughts. We conducted a thorough investigation and can vouch for the superiority of STL's optical fiber solutions. Amazing technology was used to create the glass performance. The paperless quality processes and the use of KPIs for every single step left a lasting impression on us.

I'd want to take this chance to thank Sterlite Tech for everything they did to make our trip to your nation a truly amazing experience. I can't even begin to express how delighted we were with Sterlite Tech and all we saw at your glass and cable manufacturing facilities.

STL has a great crew and produces high-quality goods. The glass capabilities and optical cable infrastructure of STL are simply incredible. The fiber optic cables are of the highest caliber that our organization has ever used. We very much appreciate your products and services.

Other Related Products

Optical Fibre

Fibre optics refers to the technology and the medium associated with the transmission of data as light pulses along a ultrapure strand of glass, which is a thin as a human hair.

Optical Connectivity

Due to increasing data demands, there's a dire need to create new fibre deep networks and data centres, which would encourage faster 5G and FTTH adoption.

Speciality Cable

The world is getting smarter and connected. Converged and high bandwidth application networks have unique challenges which make high performance connectivity a top priority.


An optical fiber network uses infrared light pulses to transport information over optical fiber from one location to another. The carrier wave that makes up light is modified to transmit information. Broadband connections that use fiber-optic technology can provide lag-free rates of up to 940 megabits per second (Mbps). Fiber-optic internet is also known as "fibre" internet or simply "fiber." The system makes use of fiber-optic cable, which astonishingly has a data transmission rate of up to 70% of the speed of light. Additionally, fiber-optic cables are less vulnerable to extreme weather than other older cable types, reducing disruptions. Additionally, it successfully withstands electrical interference.

Based on the mode of propagation of light, optical fiber cables have two different types.

a. Multimode Optical Fiber Cable: At wavelengths of 850 nm or 1300 nm, multimode fiber (MMF) enables the simultaneous transmission of several data streams.

b. Singlemode Optical Fiber Cable: Singlemode fiber (SMF) has a single light route that can traverse great distances and has a significantly smaller core size.

Based on materials, optical fiber cables are divided into two types.

a. Plastic Optical Fiber Cable: The main substance for light transmission is poly(methyl methacrylate).

b. Glass Optical Fiber Cable: It is made out of a mass of glass fibers. Light travels through each individual glass fiber from the light source to the fiber's opposite end.

Lastly, based on the refractive index, optical fiber cable is divided into two different types.

a. Step-Index optical fiber cable: Step-index fibers feature a symmetrical core with one index of refraction and a lesser index of refraction on the uniform cladding. The simplest type of optical fiber has a cylindrical silica glass core that is encircled by cladding with a lower refractive index than the core.

b. Graded-Index optical fiber cable: As the radial distance from the fiber axis rises, the optical fiber's refractive index falls. Graded-index fibers are often utilized in the telecom industry by grading the index of refraction of the core such that it gradually tapers between both the core center and the cladding. It lowers multimode dispersion.

a. Based on construction, Multimode permits many concurrent light modes, whereas single-mode fiber is meant to transport a single light mode. The bandwidth, signal stability, and signal transmission distance are all impacted by this disparity.

b. Based on bandwidth, Single mode cables may accommodate more powerful, brighter light sources with less attenuation. Comparatively, Multimode relies on the transmission of several light modes with increased attenuation and lower brightness.

c. Based on transmission distance, With a typical single-mode connection, single-mode fiber can transport data across short and long distances of up to 10 km (6.2 miles). On the other hand, the maximum transmission distance for multimode ranges from 300 to 550 meters.

The fastest and most dependable internet service right now is fiber optic. Users may access more media types and larger file sizes more quickly because of the fiber's quicker download and upload rates. Tech experts now choose it over the 5G network because it is quicker and more dependable. A fiber network can easily meet all of your internet demands, thanks to speeds up to 100 times faster than standard broadband. The bandwidth of fiber optics is 1 GB/s. That's 10-20 times faster than the 50-100 Mbps cable that most of us are familiar with today.

The technique that sends information as light pulses via a glass or plastic fiber is known as fiber optics, often called optical fiber. These glass fibers can range in quantity from a few to several hundred in a fiber optic cable. The glass fiber core is encircled by a second glass layer known as cladding. A few to hundreds of optical fibers may be found inside the plastic sheath of a fiber-optic cable. They transmit data signals in the form of light and travel hundreds of miles more quickly than those used in conventional electrical cables. Optic cables and optical fiber cables are other names for them.