Answered: Two laser beams with wavelengths λ1 =…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Two laser beams with wavelengths λ₁ = 556 nm and λ₂ = 604 nm are aimed at the same point. The electric field from each laser in the y-direction behaves as the function,
E_i,y(x,t) = A(sin(2πf_it - 2πx/λ_i)
for i = 1 or 2, and they propagate at a speed of light c. Both fields have the same amplitude, A = 1 N/C.

λ₁ = 556 nm
λ₂ = 604 nm

Find the value of the total electric field in the y-direction E_y, in newtons per coulomb, at a time of exactly one femtosecond (10^-15 s) if the position the lasers is aimed at is exactly 100 nm away from each laser.

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