# (a) Show that the Jones matrix of a polarization analyzer set at angle (alpha) to the (X)-axis...

## Question:

**(a)** Show that the Jones matrix of a polarization analyzer set at angle \(\alpha\) to the \(X\)-axis is given by

\[ \underline{\mathbf{L}}(\alpha)=\left[\begin{array}{cc} \cos ^{2} \alpha & \sin \alpha \cos \alpha \\ \sin \alpha \cos \alpha & \sin ^{2} \alpha \end{array}\right] \]

**(b)** Show that this matrix is not unitary.

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