Abstract
Theoretical dependences of the amplitude A and phase φ of photoinduced coherent oscillations of the crystal lattice on the delay time μ between two exciting optical pulses have been derived. It has been shown that φ(μ) is a periodic or decreasing function depending on the experimental conditions. Comparison with the experiment on Bi has been carried out.
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Original Russian Text © A.L. Semenov, D.N. Bezbat’ko, 2016, published in Fizika Tverdogo Tela, 2016, Vol. 58, No. 2, pp. 324–326.
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Semenov, A.L., Bezbat’ko, D.N. Coherent phonons excited by two optical pulses. Phys. Solid State 58, 333–335 (2016). https://doi.org/10.1134/S106378341602027X
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DOI: https://doi.org/10.1134/S106378341602027X