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EnglishThe KWISP opto-mechanical force sensor has been built and calibrated in the INFN Trieste optics laboratory and is now under off-beam commissioning at CAST. It is designed to detect the pressure exerted by a flux of solar Chameleons on a thin (100 nm) Si$_3$N$_4$ micromembrane thanks to their direct coupling to matter. A thermally-limited force sensitivity of $1.5 \cdot 10^-14~\mboxN/\sqrt\mboxHz$, corresponding to $7.5 \cdot 10^-16~\mboxm/\sqrt\mboxHz$ in terms of displacement, has been obtained. An originally developed prototype chameleon chopper has been used in combination with the KWISP force sensor to conduct preliminary searches for solar chamaleons.
| Titolo: | Recent Progress with the KWISP Force Sensor | |
| Autori: | ||
| Data di pubblicazione: | 2015 | |
| Abstract: | The KWISP opto-mechanical force sensor has been built and calibrated in the INFN Trieste optics laboratory and is now under off-beam commissioning at CAST. It is designed to detect the pressure exerted by a flux of solar Chameleons on a thin (100 nm) Si$_3$N$_4$ micromembrane thanks to their direct coupling to matter. A thermally-limited force sensitivity of $1.5 \cdot 10^-14~\mboxN/\sqrt\mboxHz$, corresponding to $7.5 \cdot 10^-16~\mboxm/\sqrt\mboxHz$ in terms of displacement, has been obtained. An originally developed prototype chameleon chopper has been used in combination with the KWISP force sensor to conduct preliminary searches for solar chamaleons. | |
| Handle: | http://hdl.handle.net/11368/2871545 | |
| ISBN: | 9783935702430 | |
| URL: | http://www-library.desy.de/preparch/desy/proc/proc15-02.pdf http://arxiv.org/abs/1510.06312v1 | |
| Appare nelle tipologie: | 4.1 Contributo in Atti Convegno (Proceeding) |
File in questo prodotto:
| File | Descrizione | Tipologia | Licenza | |
|---|---|---|---|---|
| Recent Progress with the KWISP Force Sensor.pdf | pdf editoriale | Documento in Versione Editoriale | Digital Rights Management non definito | Open Access Visualizza/Apri |
