A number N of plane waves are travelling parallel; the waves share a common wavevector k and common direction of electric field vector along unit vector û, but each wave has its own distinct amplitude Eor and phase difference εr. Therefore the ith wave (for 1 ≤ i ≤N) has electric field given by E₁ = Eoiû Re [exp j(kr - wt + 6;)] . - From this, prove that the total intensity I net including interference is given by Inet = | Ec|2 200 " where the complex amplitude Ę is defined by N E₁ = Eoi exp(jdi), and no is the impedance of free space. i=1
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- The electric field strength in the region 0When a light field is not fully polarized, i.e. its state of polarization possesses some random fluctuations, the Jones vectors are inadequate to describe the polarization properties of the field. One may then use a more general vector known as a Stokes column, written as (E*Ex+EEy) (EEx- EEy) (E* Ey +EEx) -i(EEy – EEx) where the angle brackets ((...)) represent time averaging. The effects of optical devices are described by the use of 4 x 4 matrices known as Mueller matrices. Determine the expressions for the Mueller matrices of: (a) a quarter-wave plate with its fast axis along the x-direction, (b) a linear polarizer aligned at an angle 0 from the x-direction.The amplitude of the electric field of a uniform plane wave propagating in the + z direction is 250V / m. If E-> = Ex x^ (On the image) and w=1.0 Mrad/s find: They ask me for the frequency f of the wave, The wavelength the period and the amplitude of H Please don't skip any steps Please be sure that the answer is fine, no matter how long it takes its an important homework, I have somedays and I try it but I cant get the right answerA flat wave Ei1(y,t)=cos(108t-β1y) âz [v/m] propagates on medium 1, free space, occupying region y<0 with normal incidence on medium 2, perfect conductor, occupying region y>0. Find the standing wave E1(y,t) at medium 1 and the field E2(y,t) at medium 2.= Aln[ B(1-cos(0)/1 + cos(0))], deter Given V=Alr mine the values of the constants (A and B) so that the value of V will be 800 Volt and magnitude of electric field intensity |E| = 1200 V/m at point (10, 75, 30).A microscopic spherical dust particle of radius 2 µmand mass 10 µg is moving in outer space at a constantspeed of 30 cm/sec. A wave of light strikes it from theopposite direction of its motion and gets absorbed.Assuming the particle decelerates uniformly to zero speedin one second, what is the average electric field amplitudein the light?The electric fields from three coherent sources are described by E1=E0 sin ωt, E2 =E0sin(ωt+Φ), and E3= E0 sin(ωt+2Φ ). Let the resultant field be represented byEP= ER sin(ωt+ α). Use phasors to find ER and when Can you solve briefly and fasly plzA lightbulbs put out 20W of radiant energy.Estimate the intensity (or irradiance) of light at a distance of 1.00 m from the bulb approx. what are the amplitude of the corresponding electric and magmetiic fields?2.37. A 300 MHz uniform plane wave, traveling along the x-axis in the negative x-direction, whose electric field is given by E, = E,(jâ, + 3â¸)e*jkx where E, is a real constant, impinges upon a dipole antenna that is placed at the origin and whose electric field radiated toward the x-axis in the positive x-direction is given by E. = E,(â, + 2â,)e¬jke where E, is a real constant. Determine the following: (a) Polarization of the incident wave (including axial ratio and sense of rotation, if any). You must justify (state why?). (b) Polarization of the antenna (including axial ratio and sense of rotation, if any). You must justify (state why?). (c) Polarization loss factor (dimensionless and in dB). Incident Wave Antenna(b) If the following second order differential equation describes the electric field dependence of the x-component of a plane electromagnetic wave of angular frequency, @, propagating in the z-direction in a metal of conductivity o and permeability u (here j = \-1) d²E, = jouoE, dz? has a solution E, = E,e¯y² then show that the skin depth is given by:- 2 An electromagnetic shield is made of stainless steel with a conductivity o = 1.16×10°S /m and relative magnetic permeability u, = 500. For an electromagnetic wave at a frequency of 100 MHz, what thickness of stainless steel is required to obtain an electric field attenuation of -100 dB? (c) (d) Name two practical applications which utilise the concept of skin effect in conductors carrying high frequency signals.What will be the intensity due to infinity long conductor having linear charge density 4 uC/m at a distance 3.6 cm from its centre.Problem 1. In class we will consider the sum of the electric field of two plane waves, u:(z.t) and uz(z.t), both traveling in the positive z direction with slightly different frequencies and propagation constants and with equal amplitudes. The electric fields of both plane waves are oriented in the y direction, which means that they have the same "polarization". The time and space variation of the two electric fields are given by: u: (2.1) = cos(@t - kz) uz(2.1) = cos ([o + Ao]t - [k + Ak]2) We will show that the sum of these two waves produce an intensity envelope in time and space that modulates the carrier frequency of m + Ao/2. The velocity of the envelope is called the group velocity. Assume Ao is << than o. For this problem, consider the sum of two slightly different waves with similar electric fields: v.(z) = sin(ot - kz) vz(z1) = sin([o + Ao]t - [k + Ak]z) Derive analytically an expression for a) the group and b) the phase velocity for the sum of the two fields. HINT: sinfa) +…SEE MORE QUESTIONS