Simulation and Experimental Study of Sound Pulse Generation by Laser Pulse on Metal

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SHAHMIRZAEE HOSSEIN; Asrar Abdoreza; MARDANI REZA; Sokhanvar Mohammad Hadi

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Journal: HYDROPHYSICS Year:2019 | Volume:5 | Issue:1 Page(s): 125-132

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Information Journal Paper

Title

Simulation and Experimental Study of Sound Pulse Generation by Laser Pulse on Metal

Author(s)

SHAHMIRZAEE HOSSEIN | Asrar Abdoreza | MARDANI REZA | Sokhanvar Mohammad Hadi | Issue Writer Certificate

Keywords

LaserQ2

AcousticQ1

Laser AcousticQ1

Abstract

In this paper sound generation by Laser pulse irradiated on a solid block is investigated. After an introduction to known mechanisms and main equation of Laser Acoustics, the Laser pulse profile of NdYAG Laser by straight radiation on a photo-resistor was recorded and the profile was substituted as an optoAcoustic source in related equation of sound evolution. Finally the solution of numerically solved equation and measured generated sound were compared. Results show that there exists direct relationship between generated sound pulse width and Laser pulse width. Furthermore there exists reverse relationship between generated sound pulse width and solid block thickness. In addition, results of simulation and experimental data measured by Laser microphone with photo-resistor detector are compared by obtained sound spectrum from Spectrogram which confirm previous theoretical and experimental data. Finally general rule of the similarity of sound pulse profile and sound generator Laser pulse profile are observed in this experiment.

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APA: Copy

SHAHMIRZAEE, HOSSEIN, Asrar, Abdoreza, MARDANI, REZA, & Sokhanvar, Mohammad Hadi. (2019). Simulation and Experimental Study of Sound Pulse Generation by Laser Pulse on Metal. HYDROPHYSICS, 5(1 ), 125-132. SID. https://sid.ir/paper/264881/en

Vancouver: Copy

SHAHMIRZAEE HOSSEIN, Asrar Abdoreza, MARDANI REZA, Sokhanvar Mohammad Hadi. Simulation and Experimental Study of Sound Pulse Generation by Laser Pulse on Metal. HYDROPHYSICS[Internet]. 2019;5(1 ):125-132. Available from: https://sid.ir/paper/264881/en

IEEE: Copy

HOSSEIN SHAHMIRZAEE, Abdoreza Asrar, REZA MARDANI, and Mohammad Hadi Sokhanvar, “Simulation and Experimental Study of Sound Pulse Generation by Laser Pulse on Metal,” HYDROPHYSICS, vol. 5, no. 1 , pp. 125–132, 2019, [Online]. Available: https://sid.ir/paper/264881/en

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