Asked by Elizabeth
A beam of polarized light with an average intensity of 17.1 W/m2 is sent through a polarizer. The transmission axis makes an angle of 27° with respect to the direction of polarization. Determine the rms value of the electric field of the transmitted beam.
Answer in N/C
Answer in N/C
Answers
Answered by
bobpursley
half that power is in the E field.
1/2 * 17.1= epsilion*E^2/2
solve for E.
Now after the polarizer, only cos27 gets thru.
Efinal=E cos27
1/2 * 17.1= epsilion*E^2/2
solve for E.
Now after the polarizer, only cos27 gets thru.
Efinal=E cos27
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