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Describe the main features of the Pockels and Kerr electro-optic effects. A linearly polarized Iaser beam passes into an electro-optic medium under the influence of an electric field whose direction is transverse to the direction of propagation. If the polarization direction lies at angle {) to the field, and the field inserts a phase of φ between the polarization component parallel to its direction, compared with the orthogonal component, show that for maximum power transmission through a polarizing analyser placed at the output from the medium, the acceptance direction of the analyser must lie at angle a to the field direction, where:
If ϑ = 30° and ϑ = 65°, what fraction of the original laser power passes through the analyser?
An open-circuited 50 Ω microstrip transmission line is used ina microwave amplifier circuit to provide a capacitance of 3.2 pF at2.3 GHz. (a) Find the appropriate electrical length of the line
Using energy concepts, find the internal self inductance per unitlength of a loss-less, conductive solid wire of radius ρ. You may assume that the current is uniformlydistributed through the cross-section of the wire.
A 460V load draws 18kVA at 0.82 pf, lagging. Find the kVAR of capacitance required to correct the power factor to 0.93, lagging.
A full adder is a circuit which adds three bits X, Y, Z together and returns two bits C and S to represent the total as a 2-bit binary number C S. C is the MSB and S is the LSB. For example, if X=1, Y=1, Z=0, the total should be 2, or 102 in binar..
Design a synchronous sequential circuit with one input line and one output line that recognizes the input string x = 1111. The circuit is also required to recognize overlapping sequence such that if the input string is x = 1101111111010
If a 100-Ω resistor is used in the contact protection network, then what value capacitor would be required for the protection network to be non-oscillating (over damped)?
A uniform surface current density of Js(r) = Jo*sin(/phi)(/phi hat) A/m (Jo is a constant) is spread over a disc defined by 0
Consider a Schottky diode at T=300 K that is formed with Pt qφM=5.3ev 'work function' on n-type silicon.knowing that qX for silicon =4.05ev (a) find the barrier height. (b) Calculate the saturation current.
A positive-sequence balanced three-phase wye-connected sourcesupplies power to a balanced wye-connected load. The magnitude of the line voltages is 150V. If the load impedance per phaseis 36+j12Ω, determine the line currents if
For the purposes of the plot you may as well take the speed c, the height of the triangle at time 0, and the half width of the base all equal to 1. Make your plots for lots of times ranging from t = -4 to 4.
(a) What is the centerline temperature of the rod when the surface temperature is 550 K? (b) In a heat -treating process, the centerline temperature of the rod must be increased from Tj = 300 K to T = 500 K. Compute and plot the centerline tempera..
Two identical CS amplifiers are connected is cascade. First stage is fed with a source Vsig having a resistance Rsig = 100k Ohm. A load resistance Rl = 10k Ohm is connected to the drain of the second stage.
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