Optical fibres manufacturing by chemical vapour deposition, Physics

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.

Posted Date: 9/12/2013 4:17:39 AM | Location : United States







Related Discussions:- Optical fibres manufacturing by chemical vapour deposition, Assignment Help, Ask Question on Optical fibres manufacturing by chemical vapour deposition, Get Answer, Expert's Help, Optical fibres manufacturing by chemical vapour deposition Discussions

Write discussion on Optical fibres manufacturing by chemical vapour deposition
Your posts are moderated
Related Questions
Chronology protection conjecture (S.W. Hawking) The concept that the formation of any closed timelike curve will be destroyed automatically trhough quantum fluctuations as soon

A long cylindrical volume haves a uniformly distributed charge of density ρ and radius R. Determine the electric field at a point P inside the cylindrical volume at a distance x (x

A plane monochromatic wave travelling in a homogeneous medium goes into a denser medium. What are the changes in (i) Frequency (ii) amplitude (iii) speed of propagation & (iv) Phas

A constant force of 10N is applied perpendicular to rod placed on 2 parallel rails .If the rod is having a resistance 10ohm but rails have zero resistance then maximum speed of rod

Simple gears With a hammer and a medium-sized nail, make holes in the exact centres of various used bottle caps. Straighten the edges of the caps to make them as round as possi

The sense of vision consist of three major components : The eyes that focus an image from  the outside world on the light sensitive retina The system of millions of nerve

In the figure below, the hand moves the end of the Slinky up and down through 2 complete cycles in 1 seconds. The wave moves along the Slinky at a speed of 0.60 m/s. Find the dista

Why different colours of white light travell with different speed in a glass prism,while they travell with same speed in air? Ans)Since in diffeernt medium frequecy remains const

Determine the moment of inertia with respect to the x axis for the shaded area shown (Figure 2) . The dimension is a = 2.00m

what type of transformer we use in this