Melt me some glass.....

Thread Starter

Non-Sequitur

Joined Oct 27, 2014
85
Greetings from Incirlik AB, Turkey.

Since i'm batting a 100% with answers to my questions on this forum, I've decided to press my luck for another one.

What temperature is required to splice fiber optic cable?
Or, what temperature does it take to cut a fiber?

We have several splicers, but no where can I find in their specifications what the temperature is that completes the weld. We also have a machine that makes perfect cuts using a high temp "knife." What temperature is thing operating at?

Does anyone know?

Thanks!!!
 

Thread Starter

Non-Sequitur

Joined Oct 27, 2014
85
http://www.fiber-optic-solutions.com/two-important-methods-for-fiber-optic-splicing.html
Don't no the temp the fusion splicing machine handles that. You don't cut it you nick it and it's snapped.
It's called cleave the fiber.
I'll see if I can get a picture of the unit they have here that uses that high temperature knife. And I mean a high temp knife! The slice is so clean that you can barely tell it's not butter, it's Chiffon! I mean you can't tell it's not the original termination.
 

SLK001

Joined Nov 29, 2011
1,549
Fiber optic glass is made from a bilet of glass that has layers of glass with different refractive indices. It is heated in an oven, then the fiber is drawn from the molten bilet. Done this way, the final fiber has the same refractive index layer structure. To fuse the two ends of two pieces of fiber would jumble these indicies and severely limit the usefulness of the resulting fiber optic cable. This is why FO cable is first bound in a rigid medium (like epoxy), then polished to a flat surface, then butted to the other cable. This way, the refractive indices remain the same and there is just a small junction loss in the resulting cable.
 

GopherT

Joined Nov 23, 2012
8,009
Let's go back to the first... any way of finding out what the fiber is spliced with?
Fiber optic cables are not fused together. You will get some type of reflection no matter what you do. A splice kit as shown above is the normal method. Years ago, a refractive index matching fluid would be used to fill the gaps. The fluid fills the air gap and prevents loss. I don’t know how the current butt splices work.
 

be80be

Joined Jul 5, 2008
2,395
I just showed you two ways you use a tool to snap it then you can use Fusion splicing is a permanent connection of two or more optical fibers. longer runs

Or you can use Mechanical Splicing Method like at the pole to the house

There are really good Mechanical Splicing now days google it and you will see.
I really don't no anyone that does Fusion splicing it cost is high nowdays they have people doing this and Fusion splicing would be out of the question.

My friend from IBM did Fusion splicing back in the early years but thats about gone
maybe in long trunks lines I guess.


I posted two common ways Mechanical Splicing there's gel in it and the snapped fiber is butted the weld it's done about the same you snap it butt it and $3,000 to $10,000 Fusion splicer welds it. I've only worked inside with it doing fiber to cat5

Hook it to boxes like these lol


http://data:image/jpeg;base64,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
 
Last edited:

Thread Starter

Non-Sequitur

Joined Oct 27, 2014
85
All,

All I'm looking for is an idea of what kind of temperature it takes to splice fiber, or does it take temperature at all?
I am assuming that to meld the two glass ends together takes heat. Is that true, and if so, what kind of temperatures do you think?
 

GopherT

Joined Nov 23, 2012
8,009
All,

All I'm looking for is an idea of what kind of temperature it takes to splice fiber, or does it take temperature at all?
I am assuming that to meld the two glass ends together takes heat. Is that true, and if so, what kind of temperatures do you think?

If you are set on melting glass, yes, it takes heat.

If you are trying to pass a signal from one length of fiber and onto another, then no, it does not take heat. A splice connector contains a gel with the exact refractive index of glass. The connector contains the silicone gel and when the two fiber optic ends ar pushed into the connector, the ends push into the gel. The connections is essentially optically clear and very little signal intensity is lost.

This is kind of like the old lab trick where you mix the perfect amount of methanol, water and a bit of acetone to get the exact right refractive index. When you put the glass stirring rod into the liquid, the stirring rod seems to disappear. No reflections because there is no refractive index change between the glass rod and the liquid. Same way a fiber optic connector works.
 
Top