A Kerr cell is positioned between two crossed Nicol prisms so that the direction of electric fie...
0A Kerr cell is positioned between two crossed Nicol prisms so that the direction of electric field \( \mathbf{E} \) in the capacitor forms an angle of \( 45^{\circ} \) with the principal directions of the prisms. The capacitor has the length \( I=10 \mathrm{~cm} \) and is filled up with nitrobenzene. Light of wavelength \( \lambda=0.50 \mu \) mpasses through the system. Taking into account that in this case the Kerr constant is equal to \( B=2.2 \times 10^{-10} \mathrm{~cm} / \mathrm{V}^{2} \), find:
the minimum strength of electric field \( E \) in the capacitor at which the intensity of light that passes through this system is independent of rotation of the rear prism;
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