Bungay, A.R., Svirko, Yu.P. and Zheludev, N.I.
Experimental observation of specular optical activity
Physical Review Letters, 70, (20), . (doi:10.1103/PhysRevLett.70.3039).
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We report the first positive experimental observation of the optical activity effect on normal reflection. The experiment was performed along the optic axis in a gyrotropic semiconductor crystal of alpha-HgS, cinnabar, in a spectral region of strong absorption. Reflected light polarization azimuth rotation resulting from the reflection is in the order of 10^-4 rad and has pronounced dependence on h-omega-Eg.
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