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..

Ribbon Cable

Substituting ribbons for individual fibres within an optical cable allows the fibre to be packed more compactly within the cable whether it is a multi-tube or central tube cable. Ribbon cables are smaller in size and weight and generally easier to handle than traditional loose tube fibre cables. The net result is ribbon cables are easier for the installation crew to handle and place.

STL offers an extensive range of Ribbon optical cables that meet the applications that require delivering the highest fibre density in the most compact cable package possible. This cable offers an outstanding solution for demanding high-growth, high-bandwidth communications applications like data centers, equipment connections within cabinets, outside plant applications.

Underground Duct Ribbon Cable

Cable with high fibre packing density which offers benefits like fusion splicing, efficient use of duct sizes,

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Underground Armored Ribbon Cable

These cables are ideal for having a greater fibre packing density than cables with individual fibres as in

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conventional loose tube design with benefits like fusion splicing, efficient use of duct sizes, smaller footprint for splice closures and in telecommunications rooms.

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ADSS Ribbon Cable

Our range of high fibre density ADSS Ribbon cables are designed with a tensile strength that will provide the

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necessary resistance to sag to overcome the effects of its own weight, ice and wind.

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Underground High Fibre Count Ribbon Cable

These cables are specially designed for hyperscale datacenters, telecommunications carriers and

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high bandwidth requirements. Unique cable design with encapsulated ribbons offers benefits like fusion splicing, efficient use of duct sizes, smaller footprint for splice closures and in telecommunications rooms.

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Aerial Cable

Aerial cables are considered effective for deploying connectivity solutions. Whether installation needs to be done in difficult terrain, densely populated areas, or other settings, these aerial cables satisfy the rising demands while avoiding the need to dig up roads for ducts.

STL Aerial cable family is rated for use in all outside climates and temperatures ranging from -40° to + 70°C, and also support extra loading due to ice and wind condition of respective geography.

ADSS Cable

Our range of All Di-electric Self Supporting (ADSS) cables are ideal for aerial plants while building FTTH

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Fig-8 Cable

Our range of Fig-8 cables incorporates both metallic or nonmetallic messenger elements and the core of a

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ADSS Micromodule Cable

All Di-electric Self Supporting (ADSS) micromodule cables are designed using innovative micro module

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Underground Cable

Underground placement is necessary and unavoidable in certain areas for various reasons such as nature and heritage conservation, natural obstacles, aesthetics, space and safety. Placing cables underground has the added benefits of reducing transmission losses, aiding planning consent and reduced risk of service supply loss through extreme weather.

STL offers an extensive range of optical cables for underground installations. These have been designed to meet the most demanding environmental requirements. Products are available in a wide range of fibre counts, fibre types, and mechanical constructions depending on the specific application. This category consists of cables designed for Direct Buried or Duct occupancy.

Duct Cable

Our range of duct cables are used for underground installation and can be placed into a buried duct which inturn

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Duct Micromodule Cable

These cables are designed using innovative micro module technology to create an optimized design suitable for

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Direct Buried Cable

Our range of direct buried cables are ideal for underground cable installation and can be buried directly underground

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Micro Duct Blown Cable

The microduct system allows small diameter, very compact fibre cables to be placed using modern, cost effective installation procedures in small diameter, protective micro-ducts located in available space in underground plant. When new service develops, new microduct cables can be placed in previously installed spare microducts. Since empty microducts contribute little extra infrastructure cost at the time of initial construction, they provide considerable flexibility and cost savings

STL range of microduct blown cables offer a step forward in cable miniaturization by boasting world record fibre densities and cable diameters. These cables are designed for air-blowing installation. They are the ideal component for high-density access networks, FTTx and 5G infrastructure.

250 Optima Micro Cable

Our range of 250 optima micro cables utilizes re-engineered buffer tube material for optimum cable packing efficiency.

250 Micro Cable

Our range of micro cables are designed for superior blowing performance inside microducts.

200 Next-Gen Micro Cable

Our next gen micro cables are designed with innovative 200um optical fibre for superior duct to cable fill ratio.

Airblown Cable

Airblown cables are ideal for blowing in congested spaces with limited duct space.

Last Mile Connectivity Cable

Around the world, Last Mile technology represents major challenges due to the cost of providing high-bandwidth, high-speed digital services to individual consumers in remote areas. Laying fibre optic cables in these settings can be an expensive undertaking. Additionally, it requires high maintenance and takes a toll on the environment.

STL offers range of last mile cables that bring fibre service from the distribution cable plant interface to the customer. These cables usually have a small fibre count cable to serve a neighbourhood or small office directly with optical service.

Riser Cable

Our range of indoor riser cables are specially designed for vertical installation, primarily in structured

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Easy Strip Cable

Cable designed for Indoor riser level and plenum level cable distribution and for connecting main distribution frame

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Flat Drop Cable

Our range of flat drop cables are well suitable for self-supporting aerial, duct, buried applications and as an

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Unitube Cable

Our range of central tube cables are used for indoor and outdoor applications in ducts, aerial drop for

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Retractable Cable

STL Retractable cable solution is specially designed to be laid along with the FTTH network and provide

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IO and Indoor Cable

With the fast development of fibre optic communication technology and the trend of FTTX, indoor fibre optic cables are more and more required to be installed between and inside buildings. Indoor fibre optic cable have to be fire retardant, emit a low level of smoke in case of burning and also allow a small bend radius to make them be amendable to vertical installation and handle easily

STL offers this cable family for applications such as Riser, Drop, Indoor/Outdoor and Facade. The jacket of these last mile cables is extruded from Low Smoke Zero Halogen (LSZH) or Fire-Resistant Low Smoke (FRLS).

I/O Duct Cable

Cables suited for indoor/outdoor use and installation in buildings, in ducts over a short distance or on facades.

Special Application Optical Cable

STL offers a wide range of cables available for harsh environmental conditions, such as oil and gas, Metro rail/railway networks, hazardous or heavy construction zones, including heavy traffic area, wind farm developments, pipelines, oil and gas fields, heavy industrial sites, industry, sewer and military applications.

These cables comply with stringent standards, safety at the core and meet the customer's specified requirements.

Breaking Load Optimised Safe Aerial Cable

Explore our range of small diameter, ultra lightweight aerial cable, that offer unique safety features of predictable

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Fire Safe Cable

Explore our range of cables specifically designed for circuit integrity during fire should consider some specific criterias

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Intrusion Proof Cable

Explore our range of cables designed for military communications applications and fool proof intruder

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Tactical Cable

Explore our range of cables Intended for military communications, remote control links and operation in severe

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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..


Optical Fibre Cable Finder

Looking for a cable to match your requirement? Find the cable of your choice by using our optical fibre cable finder.

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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.

Single mode optical fiber g652d

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.


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.

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