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Zhurnal Tekhnicheskoi Fiziki, 2021, Volume 91, Issue 11, Pages 1608–1618
DOI: https://doi.org/10.21883/JTF.2021.11.51518.69-21 (Mi jtf4881) 		 
Theoretical and Mathematical Physics

On the theory of nonlinear photoacoustic signal generation during gas-microphone detection

T. Kh. Salikhova, U. Madvalievb, D. M. Sharifovc, Kh. Sh. Tuichievd

a Tajik National University, Dushanbe
b S. U. Umarov Physical-Technical Institute of Academy of Sciences of Rebublic of Tajikistan, Dushanbe
c Eurasian National University named after L.N. Gumilyov, Nur-Sultan
d S. Aini Tajik State Pedagogical University
Full-text PDF (173 kB)
DOI: https://doi.org/10.21883/JTF.2021.11.51518.69-21
Abstract: A theory is proposed for of the generation of the first two harmonics of a nonlinear photoacoustic signal of a solids sample with an arbitrary value of thermal conductivity. For limiting cases (thermally thin and thick samples) has been obtained simple expressions for the dependence of the amplitude of the excited photoacoustic signal from the emissivity of the sample and the thermophysical parameters of the sample, gas and substrates, including their thermal coefficients.
Keywords: photoacoustics, thermal nonlinearity, second harmonic.
Received: 20.03.2021
Revised: 21.06.2021
Accepted: 22.06.2021
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: T. Kh. Salikhov, U. Madvaliev, D. M. Sharifov, Kh. Sh. Tuichiev, “On the theory of nonlinear photoacoustic signal generation during gas-microphone detection”, Zhurnal Tekhnicheskoi Fiziki, 91:11 (2021), 1608–1618
Citation in format AMSBIB
\Bibitem{SalMadSha21}
\by T.~Kh.~Salikhov, U.~Madvaliev, D.~M.~Sharifov, Kh.~Sh.~Tuichiev
\paper On the theory of nonlinear photoacoustic signal generation during gas-microphone detection
\jour Zhurnal Tekhnicheskoi Fiziki
\yr 2021
\vol 91
\issue 11
\pages 1608--1618
\mathnet{http://mi.mathnet.ru/jtf4881}
\crossref{https://doi.org/10.21883/JTF.2021.11.51518.69-21}
\elib{https://elibrary.ru/item.asp?id=46638317}
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