Abstract
A description is made of the experimental-diagnostic module with femtosecond terawatt laser complex (τ0.5 ∼ 45–70 fs, λ = 266, 400, and 800 nm) and of the pioneering procedure of combined ultrahighspeed interferometry and interference microscopy (Michelson and Mach-Zehnder schemes) of the processes of interaction between ultrashort laser pulses and condensed media in vacuum. Results are given for the first time of the investigation of spectral-energy thresholds and rates of laser ablation of a number of solidstate media using elements of the polymer series (C2F4) n , (CH2O) n in the UV-NIR wavelength range of laser radiation in atmospheric conditions and in vacuum p ∼ 10−2 Pa.
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Original Russian Text © E.Yu. Loktionov, A.V. Ovchinnikov, Yu.Yu. Protasov, D.S. Sitnikov, 2010, published in Teplofizika Vysokikh Temperatur, 2010, Vol. 48, No. 5, pp. 766–778.
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Loktionov, E.Y., Ovchinnikov, A.V., Protasov, Y.Y. et al. An investigation of the optical-and-thermophysical and gasdynamic characteristics of femtosecond laser ablation of structural materials of the polymer series. High Temp 48, 729–740 (2010). https://doi.org/10.1134/S0018151X10050159
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DOI: https://doi.org/10.1134/S0018151X10050159