Structural thermal noise in gram-scale mirror oscillators
The thermal noise associated with mechanical dissipation is a ubiquitous limitation to the sensitivity of precision experiments ranging from frequency stabilization to gravitational wave interferometry. We report on the thermal noise limits to the performance of 1 gm mirror oscillators that are part...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
IOP Publishing
2012-01-01
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| Series: | New Journal of Physics |
| Online Access: | https://doi.org/10.1088/1367-2630/14/11/115008 |
| _version_ | 1827874346247389184 |
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| author | Abraham R Neben Timothy P Bodiya Christopher Wipf Eric Oelker Thomas Corbitt Nergis Mavalvala |
| author_facet | Abraham R Neben Timothy P Bodiya Christopher Wipf Eric Oelker Thomas Corbitt Nergis Mavalvala |
| author_sort | Abraham R Neben |
| collection | DOAJ |
| description | The thermal noise associated with mechanical dissipation is a ubiquitous limitation to the sensitivity of precision experiments ranging from frequency stabilization to gravitational wave interferometry. We report on the thermal noise limits to the performance of 1 gm mirror oscillators that are part of a cavity optomechanics experiment to observe quantum radiation pressure noise. Thermal noise limits the observed cavity displacement spectrum from 80 Hz to 5 kHz. We present a calculation of the thermal noise, based on finite element analysis of the dissipation due to structural damping, and find it to be in excellent agreement with the experimental result. We conclude with the predicted thermal noise for an improved oscillator design, which should be capable of revealing the noise that arises from quantum backaction in this system. |
| first_indexed | 2024-03-12T16:50:57Z |
| format | Article |
| id | doaj.art-be3d6e517f414c8ca54f3e4729d9a906 |
| institution | Directory Open Access Journal |
| issn | 1367-2630 |
| language | English |
| last_indexed | 2024-03-12T16:50:57Z |
| publishDate | 2012-01-01 |
| publisher | IOP Publishing |
| record_format | Article |
| series | New Journal of Physics |
| spelling | doaj.art-be3d6e517f414c8ca54f3e4729d9a9062023-08-08T11:10:26ZengIOP PublishingNew Journal of Physics1367-26302012-01-01141111500810.1088/1367-2630/14/11/115008Structural thermal noise in gram-scale mirror oscillatorsAbraham R Neben0Timothy P Bodiya1Christopher Wipf2Eric Oelker3Thomas Corbitt4Nergis Mavalvala5LIGO Laboratory, Massachusetts Institute of Technology , Cambridge, MA 02139, USALIGO Laboratory, Massachusetts Institute of Technology , Cambridge, MA 02139, USALIGO Laboratory, Massachusetts Institute of Technology , Cambridge, MA 02139, USALIGO Laboratory, Massachusetts Institute of Technology , Cambridge, MA 02139, USALIGO Laboratory, Massachusetts Institute of Technology , Cambridge, MA 02139, USA; Department of Physics, Louisiana State University , Baton Rouge, LA, USALIGO Laboratory, Massachusetts Institute of Technology , Cambridge, MA 02139, USAThe thermal noise associated with mechanical dissipation is a ubiquitous limitation to the sensitivity of precision experiments ranging from frequency stabilization to gravitational wave interferometry. We report on the thermal noise limits to the performance of 1 gm mirror oscillators that are part of a cavity optomechanics experiment to observe quantum radiation pressure noise. Thermal noise limits the observed cavity displacement spectrum from 80 Hz to 5 kHz. We present a calculation of the thermal noise, based on finite element analysis of the dissipation due to structural damping, and find it to be in excellent agreement with the experimental result. We conclude with the predicted thermal noise for an improved oscillator design, which should be capable of revealing the noise that arises from quantum backaction in this system.https://doi.org/10.1088/1367-2630/14/11/115008 |
| spellingShingle | Abraham R Neben Timothy P Bodiya Christopher Wipf Eric Oelker Thomas Corbitt Nergis Mavalvala Structural thermal noise in gram-scale mirror oscillators New Journal of Physics |
| title | Structural thermal noise in gram-scale mirror oscillators |
| title_full | Structural thermal noise in gram-scale mirror oscillators |
| title_fullStr | Structural thermal noise in gram-scale mirror oscillators |
| title_full_unstemmed | Structural thermal noise in gram-scale mirror oscillators |
| title_short | Structural thermal noise in gram-scale mirror oscillators |
| title_sort | structural thermal noise in gram scale mirror oscillators |
| url | https://doi.org/10.1088/1367-2630/14/11/115008 |
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