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Optical-temperature investigations of stationary and photo-induced absorption in undoped and Al (or Ga) doped Bi₁₂SiO₂₀ crystals are discussed. In the wave-number range 22000-4000 cm¯¹ under temperatures from 80 to 650 K, peculiarities of thermochromic effect have been revealed and temperature dependences of intensity of bands forming photo- and thermochromic effects have been found. A correlation...
The Goos-Hänchen effect is an optical phenomenon defined as a displacement of the reflected beam of linearly polarized light after the total internal reflection, which occurs perpendicularly to the direction of propagation. Due to this effect, when an optical wave propagates through a barrier, tunneling times may change accordingly. In this paper, we consider the impact of the Goos-Hänchen effect...
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