Optical fibres manufacturing by chemical vapour deposition, Physics

Assignment Help:

Understand the manufacturing technique of optical fibres by using chemical vapour deposition method.

A Traversing oxy-hydrogen flame heats the reaction zone to a temperature around 1600 degree Celsius. The depiction of how a perform rod changes to a fiber is given in the demonstrated figure:

840_Conversion of preform rod into a fiber.png

Conversion of preform rod into a fiber

When the process is repeated along with different concentrations of the depart vapours, single can produce any needed graded index profile. When the deposition is over, the tube is collapsed within a solid rod called a preform through heating the tube to its softening temperature.

That deposited material is transformed within a solid glass preform with heating the porous material as without melting. The softening temperature is around 2000 degree Celsius. The solid preform is after that drawn or pulled into an optical fiber by a procedure termed as fiber drawing.

Conversion of preform rod in a fiber is completed by heating the end of the preform rod to its softening point and drawing off the fiber make its tip as demonstrated in the figure above. The fiber drawing method begins by feeding the glass preform in the drawing furnace. The drawing furnace softens the end of the preform to the melting point.

Then manufacturers pull the softened preform within a thin glass filament (glass fiber). To prevent the bare fiber by contaminants, manufacturers add an acrylate coating or a layer of plastic into the draw method before being wound on the drum. The coating protects the bare fiber make contaminants as like atmospheric dust and water vapor.


Related Discussions:- Optical fibres manufacturing by chemical vapour deposition

Determine the corresponding error in the computed discharge, The discharge ...

The discharge over a triangular notch can be written as  Q = (8/15) Cd (2g)0.5 tan(θ/2) H5/2 If an error of 1% in measuring H is introduced determine the corresponding error

Explain n-type substances, N-Type Substances: When a small quantity of ...

N-Type Substances: When a small quantity of Arsenic or Phosphorous (group VA elements) is added to silicon or Germanium, it becomes good conductor of negative charges, such a s

Explain snells law, Q. Explain Snells Law? It is believed that Snell de...

Q. Explain Snells Law? It is believed that Snell developed his well-known equation by purely empirical means. He made various measurements of the refracting properties of vario

Excitation energy and potential, When the electron is known energy from ext...

When the electron is known energy from external source, it goes to higher energy level. This process is called as excitation. The minimum energy needed to excite an atom is know

Explain process of carnot cycle, Explain process of Carnot cycle Carnot...

Explain process of Carnot cycle Carnot cycle having of two adiabatic and two isothermal processes, all are reversible. To explain the carnot cycle, suppose the working substanc

Nearly free electron model, how cah i get the band gap by considering a wav...

how cah i get the band gap by considering a wavefunction including bloch function

Surface tension, why does rain water boils faster than fresh water

why does rain water boils faster than fresh water

Schottky barrier diodes, The Schottky diodes are a semiconductor diode with...

The Schottky diodes are a semiconductor diode with a low forward voltage drop and a very fast switching action. The voltage drop at forward biases of around 1ma is in the range 0.1

Making a physics project, How i make a goood physics project for my Univers...

How i make a goood physics project for my University Assignment?

What are diamagnetic substances, a)      Orbital movement of electrons b...

a)      Orbital movement of electrons b)      On the source of orbital motion of electrons c)       These are repelled in an external magnetic field i.e. have a tendency to g

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd