If the electric field radiated by the ions in a laser gain medium is written as...
Problem 6. Electromagnetic plane waves in a lossy medium The electric field of an electromagnetic plane wave traveling in a lossy medium can be written as where z is the distance, t is time, and fthe frequency. For f 1 GHz, it is found by measurement that the amplitude of the electric field is attenuated by a factor of 3 after the wave travels 100 m (i.e., to 1/3 of the amplitude at z-0 when it arrives at z- 100...
The electric field of a positive z-traveling wave in a medium with relative dielectric constant of er 4 and with frequency of 2.5 GHz is given by Ex Eox cos(ot - kz) V/m. 1. a. Find the magnetic field if Eox 400,000 V/m. b. Determine the phase velocity and wavelength.
Electromagnetic plane waves in a lossy medium field of an electromagnetic plane wave traveling in a lossy medium can be written as 6. The where z is the distance, t is time, and f the frequency. For f 1 GHz, it is found by measurement that the amplitude of the electric field is attenuated by a factor of 3 after the wave travels 100 m (ie, to 130f the amplitude at z = 0 when it arrives at z-100 m)....
In a non-conducting medium with є= 16 G) and μ-Ho the electric field intensity of an electromagnetic wave is given by E(z, t) 810sm(1010t-kz) (V/m). Determine the associated magnetic field intensity Hand find the value of k.
The electric field of a plane wave propagating in a nonmagnetic medium is given by Ē = 34 e-1,0y cos (21 x 10°t – 25y)ā, V/m. Find the relative permittivity of the medium. (Enter at least three digits after the decimal separator in your answer) Yanit:
1) The electric field intensity of a uniform plane wave propagating in a medium for which 4, = 1 is given by E = 40 e 20 cos(2 + x108 + – 30 y)a. V/m. Find: a) The direction of propagation. b) The phase constant c) The magnetic field intensity in instantaneous form (Don't use Maxwell's equations) 2) Write the equation you may use to plot the dependence of skin depth on frequency for seawater ( 11, = 1, 8,...
The electric field in the xy-plane due to an infinite line of charge along the z-axis is a gradient field with a potential function V(x,y) = c In To 2 + y2 where c> 0 is a constant and ro is a reference distance at which the potential is assumed to be 0. Use this information to answer parts a through c. a. Find the components of the electric field in the x- and y-directions, where E(x,y)= - VV(x,y). Choose...
blem 6. Electromagnetic plane waves in a lossy medium tric field of an electromagnetic plane wave traveling in a lossy medium can be written as The where z is the distance, t is time, and fthe frequency. Forf- 1 GHz, it is found by measurement that the amplitude of the electric field is attenuated by a factor of 3 after the wave travels 100 m (ie, to 1/3 of the amplitude at: 0 when it arrives at : -100 m)....
The electric field intensity of a uniform plane wave in a medium, σ=0, ε=ε0εr, μ=μ0 is: E= 12 sin(2pi x 10^7t - 3y)az V/m (a) Determine the polarization of the wave. (b) Find the frequency. (c ) Calculate εr. (d) Obtain the magnetic field intensity H.
1. Suppose two plane waves of light with electric field amplitudes E1 and E2 arrive at a detector at time t having travelled different distances z1 and z2. Assume the field vectors have the same polarization direction p. The fields of the two plane waves at the detector individually are Eipcos(ot - kzi) and E.pcos(at-kz2 ) . Here the wavenumber is k-2πίλ and the angular frequency is ω ck-2πο:/v , where λ is the wavelength, с is the speed, and...