Why come to us?

  • Over 20 years’ dedication to meeting the global needs of the most demanding fibre optic specialists
  • Our focus on delivering customer satisfaction; attention to detail, expert advice and competitive pricing
  • We distribute only the best quality brands with no minimum order
  • ISO 9001:2008 certified production and distribution
  • Next-day delivery for all stocked items for customers throughout the UK and Europe
  • Two-day delivery for customers based outside Europe
  • Rapid sourcing of special and high-value capital equipment not already in stock
  • All products available for personal collection from our trade counter 8.30am-5.30pm
  • OEM accounts
  • Blanket and scheduled orders welcome – just ask
  • In-house expertise and training capability in all types of fibre terminations, including complex terminations, expanded beam and harsh environments

 

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Splicing

Splicing is only needed if the cable runs are too long for one straight pull or you need to mix a number of different types of cables (like bringing a 48 fibre cable in and splicing it to six 8 fibre cables - could you have used a breakout cable instead?) And of course, we use splices for restoration, after the number one problem of outside plant cables, a dig-up and cut of a buried cable, usually referred to as "backhoe fade" for obvious reasons!

Splices are "permanent" connections between two fibres. There are two types of splices, fusion and mechanical, and the choice is usually based on cost or location. Most splicing is on long haul outside plant SM cables, not multimode LANs, so if you do outside plant SM jobs, you will want to learn how to fusion splice. If you do mostly MM LANs, you may never see a splice.

Fusion splices are made by "welding" the two fibres together usually by an electric arc. Obviously, you don't do that in an explosive atmosphere (at least not more than once!), so fusion splicing is usually done above ground in a truck or trailer set up for the purpose. Good fusion splicers cost $15,000 to $40,000, but the splices only cost a few dollars each. Today's singlemode fusion splicers are automated and you have a hard time making a bad splice. The biggest application is singlemode fibres in outside plant installations.

Mechanical splices are alignment gadgets that hold the ends of two fibres together with some index matching gel or glue between them. There are a number of types of mechanical splices, like little glass tubes or V-shaped metal clamps. The tools to make mechanical splices are cheap, but the splices themselves are expensive. Many mechanical splices are used for restoration, but they can work well with both singlemode and multimode fibre, with practice.

 

Which splice?

If cost is the issue, we've given you the clues to make a choice: fusion is expensive equipment and cheap splices, while mechanical is cheap equipment and expensive splices. So if you make a lot of splices (like thousands in an big telco or CATV network) use fusion splices. If you need just a few, use mechanical splices.

Fusion splices give very low back reflections and are preferred for singlemode high speed digital or CATV networks. However, they don't work too well on multimode splices, so mechanical splices are preferred for MM, unless it is an underwater or aerial application, where the greater reliability of the fusion splice is preferred.

Adhesives

Cabling

Cable assemblies

Cleaning

Components

Connectors

Enclosures

Harsh Environment

Kits

Media converters

Polishing films

Splicing

Supplies

Testing & inspection

Tooling

About

Tech Optics Ltd provides leading companies worldwide with an extensive range of the best available fibre-optic communications products, customised cable assemblies and fibre-optic expertise. We will give you our best possible service, technical assistance and support along with competitive pricing on our world-class range of products.

NQA ISO 9001 Quality Managment

Contact Us:

Phone: +44 (0)1732 770466
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Address:
Unit 6, Tannery Road
Tonbridge
Kent TN9 1RF
England