Development of a realtime detector for hypervelocity microparticles based on a low-Q PZT material

Details Development of a realtime detector for hypervelocity microparticles based on a low-Q PZT material Development of a realtime detector for hypervelocity microparticles based on a low-Q PZT material

Nov 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002esasp.500..847m&link_type=abstract

In: Proceedings of Asteroids, Comets, Meteors - ACM 2002. International Conference, 29 July - 2 August 2002, Berlin, Germany. Ed

Computer Science

Cosmic Dust: Detectors

Scientific paper

A PZT element was studied by bombarding silver particles in the mass range from 1 to 100 pg, and the velocity from 2 to 6 km/s. Output signals were uniquely identified on impact. They were processed on Fourier analysis. We found a simple selection rule using a relationship between Fourier components to discriminate junk events. By using the selection rule, we picked up events, by which a linear relationship between impact energy and output amplitude of the element was established. It was found that incident energies above 100nJ were determined uniquely by a single PZT element.

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