Polymer encapsulated microcavity optomechanical magnetometer
Abstract
We demonstrate a magnetometer using polymer encapsulated whispering-gallery-mode microcavity actuated by a micro-magnet. The magnetic field induces force on the micro-magnet causing deformation in the polymer around the microcavity. Subsequently the microcavity detects the change in the refractive index of the polymer resulted from the deformation. This magnetometer works in the frequency range of hertz-to-kilohertz range and achieves a sensitivity of 880 pT/Hz1/2 at 200 Hz in a micro-scale sensor volume. Polymer encapsulation of the magnetometer and fiber optical connection ensures environmental robustness and practicality of the sensor.
- Authors:
-
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
- Washington Univ., St. Louis, MO (United States)
- Publication Date:
- Research Org.:
- Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1396126
- Report Number(s):
- LA-UR-17-22375
Journal ID: ISSN 2045-2322
- Grant/Contract Number:
- AC52-06NA25396
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Scientific Reports
- Additional Journal Information:
- Journal Volume: 7; Journal Issue: 1; Journal ID: ISSN 2045-2322
- Publisher:
- Nature Publishing Group
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 47 OTHER INSTRUMENTATION; Atomic and Nuclear Physics
Citation Formats
Zhu, Jiangang, Zhao, Guangming, Savukov, Igor, and Yang, Lan. Polymer encapsulated microcavity optomechanical magnetometer. United States: N. p., 2017.
Web. doi:10.1038/s41598-017-08875-1.
Zhu, Jiangang, Zhao, Guangming, Savukov, Igor, & Yang, Lan. Polymer encapsulated microcavity optomechanical magnetometer. United States. https://doi.org/10.1038/s41598-017-08875-1
Zhu, Jiangang, Zhao, Guangming, Savukov, Igor, and Yang, Lan. Mon .
"Polymer encapsulated microcavity optomechanical magnetometer". United States. https://doi.org/10.1038/s41598-017-08875-1. https://www.osti.gov/servlets/purl/1396126.
@article{osti_1396126,
title = {Polymer encapsulated microcavity optomechanical magnetometer},
author = {Zhu, Jiangang and Zhao, Guangming and Savukov, Igor and Yang, Lan},
abstractNote = {We demonstrate a magnetometer using polymer encapsulated whispering-gallery-mode microcavity actuated by a micro-magnet. The magnetic field induces force on the micro-magnet causing deformation in the polymer around the microcavity. Subsequently the microcavity detects the change in the refractive index of the polymer resulted from the deformation. This magnetometer works in the frequency range of hertz-to-kilohertz range and achieves a sensitivity of 880 pT/Hz1/2 at 200 Hz in a micro-scale sensor volume. Polymer encapsulation of the magnetometer and fiber optical connection ensures environmental robustness and practicality of the sensor.},
doi = {10.1038/s41598-017-08875-1},
journal = {Scientific Reports},
number = 1,
volume = 7,
place = {United States},
year = {Mon Aug 21 00:00:00 EDT 2017},
month = {Mon Aug 21 00:00:00 EDT 2017}
}
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