Equation 11.31 gives the expression for the angle ψ of the linearly polarized wave as it propagates in the magnetoplasma medium. In this appendix, we show how that expression is obtained. We also show an application of this Faraday rotation in measuring the total electron content in the ionosphere [1].
Such a rotation also occurs in chiral medium called natural rotation or optical activity discussed in Section 8.10. However, there is an important difference between Faraday rotation and natural rotation. This aspect is also explained (see Figure 11A.1).
FIGURE 11A.1Definition of longitudinal ...
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