KWISP: an ultra-sensitive force sensor for the Dark Energy sector

An ultra-sensitive opto-mechanical force sensor has been built and tested in the optics laboratory at INFN Trieste. Its application to experiments in the Dark Energy sector, such as those for Chameleon-type WISPs, is particularly attractive, as it enables a search for their direct coupling to matter...

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Detalles Bibliográficos
Autores principales: Karuza, M., Cantatore, G., Gardikiotis, A., Hoffmann, D.H.H., Semertzidis, Y.K., Zioutas, K.
Lenguaje:eng
Publicado: 2015
Materias:
Detectors and Experimental Techniques
Acceso en línea:https://dx.doi.org/10.1016/j.dark.2016.02.004
http://cds.cern.ch/record/2052768
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author Karuza, M.
Cantatore, G.
Gardikiotis, A.
Hoffmann, D.H.H.
Semertzidis, Y.K.
Zioutas, K.
author_facet Karuza, M.
Cantatore, G.
Gardikiotis, A.
Hoffmann, D.H.H.
Semertzidis, Y.K.
Zioutas, K.
author_sort Karuza, M.
collection CERN
description An ultra-sensitive opto-mechanical force sensor has been built and tested in the optics laboratory at INFN Trieste. Its application to experiments in the Dark Energy sector, such as those for Chameleon-type WISPs, is particularly attractive, as it enables a search for their direct coupling to matter. We present here the main characteristics and the absolute force calibration of the KWISP (Kinetic WISP detection) sensor. It is based on a thin Si3N4 micro-membrane placed inside a Fabry-Perot optical cavity. By monitoring the cavity characteristic frequencies it is possible to detect the tiny membrane displacements caused by an applied force. Far from the mechanical resonant frequency of the membrane, the measured force sensitivity is 5.0e-14 N/sqrt(Hz), corresponding to a displacement sensitivity of 2.5e-15 m/sqrt(Hz), while near resonance the sensitivity is 1.5e-14 N/sqrt(Hz), reaching the estimated thermal limit, or, in terms of displacement, 7.5e-16 N/sqrt(Hz). These displacement sensitivities are comparable to those that can be achieved by large interferometric gravitational wave detectors.
id cern-2052768
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2015
record_format invenio
spelling cern-20527682023-03-14T19:35:02Zdoi:10.1016/j.dark.2016.02.004http://cds.cern.ch/record/2052768engKaruza, M.Cantatore, G.Gardikiotis, A.Hoffmann, D.H.H.Semertzidis, Y.K.Zioutas, K.KWISP: an ultra-sensitive force sensor for the Dark Energy sectorDetectors and Experimental TechniquesAn ultra-sensitive opto-mechanical force sensor has been built and tested in the optics laboratory at INFN Trieste. Its application to experiments in the Dark Energy sector, such as those for Chameleon-type WISPs, is particularly attractive, as it enables a search for their direct coupling to matter. We present here the main characteristics and the absolute force calibration of the KWISP (Kinetic WISP detection) sensor. It is based on a thin Si3N4 micro-membrane placed inside a Fabry-Perot optical cavity. By monitoring the cavity characteristic frequencies it is possible to detect the tiny membrane displacements caused by an applied force. Far from the mechanical resonant frequency of the membrane, the measured force sensitivity is 5.0e-14 N/sqrt(Hz), corresponding to a displacement sensitivity of 2.5e-15 m/sqrt(Hz), while near resonance the sensitivity is 1.5e-14 N/sqrt(Hz), reaching the estimated thermal limit, or, in terms of displacement, 7.5e-16 N/sqrt(Hz). These displacement sensitivities are comparable to those that can be achieved by large interferometric gravitational wave detectors.An ultra-sensitive opto-mechanical force sensor has been built and tested in the optics laboratory at INFN Trieste. Its application to experiments in the Dark Energy sector, such as those for Chameleon-type WISPs, is particularly attractive, as it enables a search for their direct coupling to matter. We present here the main characteristics and the absolute force calibration of the KWISP (Kinetic WISP detection) sensor. It is based on a thin Si 3 N 4 micro-membrane placed inside a Fabry–Perot optical cavity. By monitoring the cavity characteristic frequencies it is possible to detect the tiny membrane displacements caused by an applied force. Far from the mechanical resonant frequency of the membrane, the measured force sensitivity is 2.0⋅10−13N/Hz , corresponding to a displacement sensitivity of 1.0⋅10−14m/Hz , while near resonance the sensitivity is 6.0⋅10−14N/Hz , reaching the estimated thermal limit, or, in terms of displacement, 3.0⋅10−15m/Hz . These displacement sensitivities are comparable to those that can be achieved by large interferometric gravitational wave detectors.An ultra-sensitive opto-mechanical force sensor has been built and tested in the optics laboratory at INFN Trieste. Its application to experiments in the Dark Energy sector, such as those for Chameleon-type WISPs, is particularly attractive, as it enables a search for their direct coupling to matter. We present here the main characteristics and the absolute force calibration of the KWISP (Kinetic WISP detection) sensor. It is based on a thin Si3N4 micro-membrane placed inside a Fabry-Perot optical cavity. By monitoring the cavity characteristic frequencies it is possible to detect the tiny membrane displacements caused by an applied force. Far from the mechanical resonant frequency of the membrane, the measured force sensitivity is 5.0e-14 N/sqrt(Hz), corresponding to a displacement sensitivity of 2.5e-15 m/sqrt(Hz), while near resonance the sensitivity is 1.5e-14 N/sqrt(Hz), reaching the estimated thermal limit, or, in terms of displacement, 7.5e-16 N/sqrt(Hz). These displacement sensitivities are comparable to those that can be achieved by large interferometric gravitational wave detectors.arXiv:1509.04499oai:cds.cern.ch:20527682015-09-15
spellingShingle Detectors and Experimental Techniques
Karuza, M.
Cantatore, G.
Gardikiotis, A.
Hoffmann, D.H.H.
Semertzidis, Y.K.
Zioutas, K.
KWISP: an ultra-sensitive force sensor for the Dark Energy sector
title KWISP: an ultra-sensitive force sensor for the Dark Energy sector
title_full KWISP: an ultra-sensitive force sensor for the Dark Energy sector
title_fullStr KWISP: an ultra-sensitive force sensor for the Dark Energy sector
title_full_unstemmed KWISP: an ultra-sensitive force sensor for the Dark Energy sector
title_short KWISP: an ultra-sensitive force sensor for the Dark Energy sector
title_sort kwisp: an ultra-sensitive force sensor for the dark energy sector
topic Detectors and Experimental Techniques
url https://dx.doi.org/10.1016/j.dark.2016.02.004
http://cds.cern.ch/record/2052768
work_keys_str_mv AT karuzam kwispanultrasensitiveforcesensorforthedarkenergysector
AT cantatoreg kwispanultrasensitiveforcesensorforthedarkenergysector
AT gardikiotisa kwispanultrasensitiveforcesensorforthedarkenergysector
AT hoffmanndhh kwispanultrasensitiveforcesensorforthedarkenergysector
AT semertzidisyk kwispanultrasensitiveforcesensorforthedarkenergysector
AT zioutask kwispanultrasensitiveforcesensorforthedarkenergysector

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