Comparative analytical and numerical investigation of the plasma density in atmospheric air generated by nanosecond laser pulses

HD Marković, K Kaleris, NA Papadogiannis… - Laser Physics …, 2024 - iopscience.iop.org
Energy deposition via laser-induced breakdown (LIB) in gases or other media and its
accompanying secondary light and sound radiative processes are nowadays increasingly …

Laser-plasma sound sources in atmospheric air: A systematic experimental study

K Kaleris, Y Orphanos, S Petrakis, M Bakarezos… - Journal of Sound and …, 2024 - Elsevier
Laser-plasma sound sources are increasingly utilized in technological and scientific
applications as attractive alternatives to conventional electromechanical or piezoelectric …

[HTML][HTML] Non-destructive firmness assessment of apples using a non-contact laser excitation system based on a laser-induced plasma shock wave

N Hosoya, M Mishima, I Kajiwara, S Maeda - Postharvest Biology and …, 2017 - Elsevier
Various indexes have been used to assess the ripeness of fruit, including peel color and
firmness because added value is given to fruit when grade selection is determined …

[HTML][HTML] Non-contact and non-destructive Lamb wave generation using laser-induced plasma shock wave

N Hosoya, A Yoshinaga, A Kanda, I Kajiwara - International journal of …, 2018 - Elsevier
This paper proposes a non-contact and non-destructive method to generate Lamb waves
against a target structure using the impulse excitation force generated by laser-induced …

Laser-sound: optoacoustic transduction from digital audio streams

K Kaleris, B Stelzner, P Hatziantoniou, D Trimis… - Scientific reports, 2021 - nature.com
This work presents a novel laser-based optoacoustic transducer capable of reproducing
controlled and continuous sound of arbitrary complexity in the air or on solid targets. Light-to …

On the correlation of light and sound radiation following laser-induced breakdown in air

K Kaleris, Y Orphanos, M Bakarezos… - Journal of Physics D …, 2020 - iopscience.iop.org
Laser-induced breakdown in ambient air by short optical pulses is accompanied by light and
sound emission from the excited volume. In this work, these secondary radiative phenomena …

[HTML][HTML] Experimental and analytical evaluation of the acoustic radiation of femtosecond laser plasma filament sound sources in air

K Kaleris, Y Orfanos, M Bakarezos… - The Journal of the …, 2019 - pubs.aip.org
Plasma filaments in air induced by femtosecond laser pulses lead to the generation of strong
shock waves. This letter presents a systematic study, both experimental and theoretical, of …

[HTML][HTML] Frequency response function measurements of rotational degrees of freedom using a non-contact moment excitation based on nanosecond laser ablation

N Hosoya, S Ozawa, I Kajiwara - Journal of sound and vibration, 2019 - Elsevier
Frequency response functions (FRFs) are generally measured by investigating the input–
output relationship of a target structure. An input is applied to the target structure and the …

Laser-sound transduction from digital ΣΔ streams

K Kaleris, B Stelzner, P Hatziantoniou, D Trimis… - Journal of the Audio …, 2022 - aes.org
In this work, a novel optoacoustic transducer prototype capable of reproducing continuous
sound waves from single or multi-bit ΣΑ digital audio streams is presented. The prototype is …

[HTML][HTML] Benefits and applications of laser-induced sparks in real scale model measurements

J Gomez-Bolanos, S Delikaris-Manias… - The Journal of the …, 2015 - pubs.aip.org
The characteristics of using a laser-induced spark as a monopole source in scale model
measurements were assessed by comparison with an electric spark and a miniature …