Towards ultimate low frequency air-core magnetometer sensitivity
نویسندگان
چکیده
منابع مشابه
Quantum-enhanced magnetometer with low-frequency squeezing
Travis Horrom,1 Robinjeet Singh,2 Jonathan P. Dowling,2,3 and Eugeniy E. Mikhailov1 1Department of Physics, The College of William and Mary, Williamsburg, Virginia 23187, USA 2Hearne Institute of Theoretical Physics and Department of Physics and Astronomy, Louisiana State University, Baton Rouge, Louisiana 70803, USA 3Beijing Computational Science Research Center, Beijing, 100084, China (Receiv...
متن کاملUltimate limitation of the SQUID magnetometer
The Superconducting QUantum Interference Device is used to detect weak biomagnetic signals since in the early seventies. In that time the measurement was based on point contact rf SQUIDs operated at 20 MHz, with to a flux noise of the order of 10-4 Φ 0/ √Hz . After finding methods to fabricate reliable thin-film devices, the dc SQUIDs started gradually replace the rf SQUIDs. [1] The dc SQUID wi...
متن کاملA low-power, high-sensitivity micromachined optical magnetometer
We demonstrate an optical magnetometer based on a microfabricated Rb vapor cell in a micromachined silicon sensor head. The alkali atom density in the vapor cell is increased by heating the cell with light brought to the sensor through an optical fiber, and absorbed by colored filters attached to the cell windows. A second fiber-optically coupled beam optically pumps and interrogates the atoms....
متن کاملUltimate low loss of hollow-core photonic crystal fibres.
Hollow-core photonic crystal fibres have excited interest as potential ultra-low loss telecommunications fibres because light propagates mainly in air instead of solid glass. We propose that the ultimate limit to the attenuation of such fibres is determined by surface roughness due to frozenin capillary waves. This is confirmed by measurements of the surface roughness in a HC-PCF, the angular d...
متن کاملPerformance of Air Foam Flooding under Low Frequency Vibration
Foam injection is widely applied in amounts of fields to drilling, production, and formation protection. Sometimes, the application result is disappointing, which is caused by the failure of bubble generation in foam flooding. Therefore, it is necessary to seek ways for improving the performance of foam injection. An increased disturbance to the stratum, like the vibration caused by a seismic o...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Scientific Reports
سال: 2017
ISSN: 2045-2322
DOI: 10.1038/s41598-017-02099-z