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Here the kinetics of erasing surface relief gratings (SRGs) in amorphous As20Se80 thin films are studied under various temperatures (in the range 298–408 K) and continuous‐wave illumination by band gap light of various intensities (0–2.5 W cm−2) and polarizations. The SRGs with 3.5 and 15 μm periods and 300 nm amplitudes are recorded by two beam interference. By the measurements of erasing kinetics...
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