Piezoresistive method for a laser induced shock wave detection on solids

R. Gonzalez-Romero; G. Garcia-Torales; G. Gomez Rosas; M. Strojnik

doi:10.1117/12.2275679

30 August 2017 Piezoresistive method for a laser induced shock wave detection on solids

R. Gonzalez-Romero, G. Garcia-Torales, G. Gomez Rosas, M. Strojnik

Proceedings Volume 10403, Infrared Remote Sensing and Instrumentation XXV; 1040314 (2017) https://doi.org/10.1117/12.2275679
Event: SPIE Optical Engineering + Applications, 2017, San Diego, California, United States

Abstract

A laser shock wave is a mechanical high-pressure impulse with a duration of a few nanoseconds induced by a high power laser pulse. We performed wave pressure measurements in order to build and check mathematical models. They are used for wave applications in material science, health, and defense, to list a few. Piezoresistive methods have been shown to be highly sensitive, linear, and highly appropriate for practical implementation, compared with piezoelectric methods employed in shock wave pressure measurements. In this work, we develop a novel method to obtain the sensitivity of a piezoresistive measurement system. The results shows that it is possible to use a mechanical method to measure pressure of a laser induced shock wave in nanosecond range. Experimental pressure measurements are presented.

Citation Download Citation

R. Gonzalez-Romero, G. Garcia-Torales, G. Gomez Rosas, and M. Strojnik "Piezoresistive method for a laser induced shock wave detection on solids", Proc. SPIE 10403, Infrared Remote Sensing and Instrumentation XXV, 1040314 (30 August 2017); https://doi.org/10.1117/12.2275679

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