Expression for the total bound electric field, Physics

Assignment Help:

A weakly guiding optical fibre propagates just two bound modes with scalar transverse electric fields ψ1(x,y) and ψ2(x,y), and propagation constants β1 and β2, respectively. At the beginning of the fibre, a source excites both modes with amplitudes a1 and a2, respectively. 

(a) Write down an algebraic expression for the total bound electric field anywhere along the fibre.

(b) This field repeats itself periodically along the fibre with a longitudinal period zb. By examining the expression for the accumulated phase difference between the 2 modes as they propagate determine zb in terms of the propagation constants of the two modes.

(c) Using the expression for the total field in (a), determine the total guided power in the fibre and confirm that it is equal to the sum of the powers in the 2 modes.


Related Discussions:- Expression for the total bound electric field

Vector, Find the resultant of two vectors defined as A=6km east B=8km nort...

Find the resultant of two vectors defined as A=6km east B=8km north

Electricity, help by post offoce box explan rasistance of a wire

help by post offoce box explan rasistance of a wire

Measurement of length, Measurement of length: If the Zeroth division o...

Measurement of length: If the Zeroth division of the head scale does not coincide with the index line the Screw gauge has Zero error. If the Zeroth division of the head Sca

Find the effectual resistance between a and b, Q. Find the effectual resist...

Q. Find the effectual resistance between A and B. 1/R p = 1/R 1 + 1/R 2 R p = R 1 R 2 / (R 1 + R 2 )          = 15 X15 / 30 = 7.5 ohm

MAGNETIC MOMENT, Magnetic susceptibility of copper is 0.5 Calculate the mag...

Magnetic susceptibility of copper is 0.5 Calculate the magnetic moment per unit volume of copper, when it is subjected to a magnetic field of G. If the material is in the crystalli

Define amplitude (a), The Maximum displacement of a vibrating particle of m...

The Maximum displacement of a vibrating particle of medium from its mean position is known as amplitude.

the centre of mass lie outside the body , For which of the following does ...

For which of the following does the centre of mass lie outside the body 1. A pencil 2. A shotput 3. A dice 4. A bangle Solution) 4. bangle ; centre of mass of hollow objects

Volatility, It is the property of changing readily from a solid or liquid t...

It is the property of changing readily from a solid or liquid to a vapour. It is the speed that a chemical compounds evaporates. Higher volatility indicates faster evaporation.

Evaluate the magnitude of the electrical field, The drawing shows the elect...

The drawing shows the electrical potential as a function of distance along the x-axis. Determine the magnitude of the electrical field in the (a) A to B, (b) B to C and (c)C to D.

De?ne pilling-bed worth rule, De?ne Pilling-Bed Worth rule. Write about ...

De?ne Pilling-Bed Worth rule. Write about the applications of carbon nanotubes and nanowires.

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