EPJ Web of Conferences
Volume 116, 2016Very Large Volume Neutrino Telescope (VLVnT-2015)
|Number of page(s)||4|
|Section||Radio and Acoustic Detection Techniques|
|Published online||11 April 2016|
Fiber optic hydrophones for acoustic neutrino detection
1 TNO Technical Sciences, PO Box 155, 2600 AD Delft, The Netherlands
2 Erlangen Centre for Astroparticle Physics, University of Erlangen, Erwin-Rommel-Str. 1, 91058 Erlangen, Germany
a e-mail: email@example.com
Published online: 11 April 2016
Cosmic neutrinos with ultra high energies can be detected acoustically using hydrophones. The detection of these neutrinos may provide crucial information about then GZK mechanism. The flux of these neutrinos, however, is expected to be low, so that a detection volume is required more than a order of magnitude larger than what has presently been realized. With a large detection volume and a large number of hydrophones, there is a need for technology that is cheap and easy to deploy. Fiber optics provide a natural way for distributed sensing. In addition, a sensor has been designed and manufactured that can be produced cost-effectively on an industrial scale. Sensitivity measurements show that the sensor is able to reach the required sea-state zero level. For a proper interpretation of the expected bipolar signals, filtering techniques should be applied to remove the effects of the unwanted resonance peaks.
© Owned by the authors, published by EDP Sciences, 2016
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