Abstract
In this work, we present a compact transmitter array based on the parametric acoustic sources effect able to reproduce the acoustic signature of an Ultra-High Energy neutrino interaction in water. We also propose to use directive transducers employing the parametric technique for the characterization of piezo-ceramic sensors contained in the KM3NeT Digital Optical Modules. This technique can minimize the need for tests in an anechoic tank.
Highlights
This paper describes two applications of the parametric effect useful for neutrino telescopes
We present a compact transmitter array based on the parametric acoustic sources effect able to reproduce the acoustic signature of an Ultra-High Energy neutrino interaction in water
We propose to use directive transducers employing the parametric technique for the characterization of piezo-ceramic sensors contained in the KM3NeT Digital Optical Modules
Summary
This paper describes two applications of the parametric effect useful for neutrino telescopes. The first one is related to the development of a compact array [1, 2] able to reproduce the Ultra-High Energy (UHE) neutrino’s acoustic signature underwater [3]. To address the latter point, a new compact calibrator is being developed using as unit element a sensor composed by the piezo-ceramic UCE-534541, and Polyurethane EL242F and aluminum as matching and backing materials, respectively [4]. Once the single element has been efficiently tested for this application in terms of parametric emission, waveform shape and directivity [4], the vdevelopment of the array has been initiated, both in simulations and experimentally. Simulations of an array with 5 elements reduced a directivity of 3◦ Full Width Half Maximum
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