Informative light pulses of indicating polymer fiber-optic piezoelectroluminescent coatings upon indentation of rigid globular particles

Pankov, A.A.

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Publication in Journal of Optical Technology

For Russian citation (Opticheskii Zhurnal):

Паньков А.А. Информативные световые импульсы индикаторного полимерного оптоволоконного PEL-покрытия при вдавливании жёстких шаровых частиц // Оптический журнал. 2021. Т. 88. № 8. С. 99–106. http://doi.org/10.17586/1023-5086-2021-88-08-99-106

Pankov A.A. Informative light pulses of indicating polymer fiber-optic piezoelectroluminescent coatings upon indentation of rigid globular particles [in Russian] // Opticheskii Zhurnal. 2021. V. 88. № 8. P. 99–106. http://doi.org/10.17586/1023-5086-2021-88-08-99-106

For citation (Journal of Optical Technology):

A. A. Pan’kov, "Informative light pulses of indicating polymer fiber-optic piezoelectroluminescent coatings upon indentation of rigid globular particles," Journal of Optical Technology. 88(8), 477-482 (2021). https://doi.org/10.1364/JOT.88.000477

Abstract:

A mathematical model of operation of an indicating polymer coating with an embedded fiber-optic piezoelectroluminescent (PEL) sensor is developed for diagnosing multiple mechanical force actions by digital processing of an informative luminous flux at the output of the optical fiber of the sensor. Distributed force action is caused by a multipoint low-velocity impact of multiple rigid particles, e.g., hail impacts, and the indentation of particles across the outer surface of the coating. The results of the numerical modeling of the sequence of informative light pulses at the output of the optical fiber of the PEL sensor are presented. The effects of the amplitude of the control voltage at the sensor contacts and the possible intersections of the “perturbation zones” of the adjacent globular particles on the amplitude and shape of light pulses are identified via numerical analysis. The filtering of informative signals of the indicating PEL coating based on the control sensor voltage is studied to exclude the effect of insignificant (outside of the operational range) external mechanical actions on the detected informative light signal.

Keywords:

indicating polymer coating, embedded fiber-optic sensor, piezoelectroluminescent effect, mechanoluminescent effect, particle impact, numerical modeling

Acknowledgements:

The results were obtained when performing a state assignment of the Ministry of Science and Higher Education of the Russian Federation for conducting fundamental scientific investigations (project no. FSNM-2020-0026).

OCIS codes: 060.2370, 120.5475

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