Torsional oscillator magnetometer for high magnetic fields

Crowell, P.A.; Madouri, A.; Specht, M.; Chaboussant, G.; Mailly, D.; Levy, L.P.
December 1996
Review of Scientific Instruments;Dec1996, Vol. 67 Issue 12, p4161
Academic Journal
Focuses on the design and construction of a torsional oscillator magnetometer for use in magnetic fields. Anisotropic component of the magnetization; Measurement of the shift in the resonant frequency of the oscillator; Fabrication of the oscillator from a single-crystal silicon wafer using micromachining techniques; Frequencies for the oscillators.


Related Articles

  • Heart magnet.  // Professional Engineering;2/10/2010, Vol. 23 Issue 2, p40 

    The article reports on the development of a portable magnetometer by researchers at the University of Leeds in England, in which the instrument would measure magnetic fields.

  • The THEMIS Fluxgate Magnetometer. Auster, H. U.; Glassmeier, K. H.; Magnes, W.; Aydogar, O.; Baumjohann, W.; Constantinescu, D.; Fischer, D.; Fornacon, K. H.; Georgescu, E.; Harvey, P.; Hillenmaier, O.; Kroth, R.; Ludlam, M.; Narita, Y.; Nakamura, R.; Okrafka, K.; Plaschke, F.; Richter, I.; Schwarzl, H.; Stoll, B. // Space Science Reviews;Sep2008, Vol. 141 Issue 1-4, p235 

    The THEMIS Fluxgate Magnetometer (FGM) measures the background magnetic field and its low frequency fluctuations (up to 64 Hz) in the near-Earth space. The FGM is capable of detecting variations of the magnetic field with amplitudes of 0.01 nT, and it is particularly designed to study abrupt...

  • B>1 T low mass magnetic field sweep assembly. Cadieu, F.J.; Caldwell, Charmane // Journal of Applied Physics;4/17/1997, Vol. 81 Issue 8, p5082 

    Reports that a low mass, combined mass of magnet, yoke, and gear assembly magnetic field sweep unit that produces a gap magnetic field has been designed, modeled, and tested. Construction of the magnetic sweep units; Distinguishing features of the magnetic field sweep unit.

  • Solar Tracking Device Based on Electronic Compass and Accelerometer. Zhongran Zhang; Yuan Ma; Bo Jiao; Tongliang Liu // Advanced Materials Research;2014, Vol. 981, p522 

    A solar tracking device was designed in this paper. First, In order to determine the initial direction of the mechanism and the east, HMC5883L was used for measuring the magnetic field of earth. Then, the mechanism began to operate according to the solar position which was confirmed though the...

  • Magnetic background noise cancellation in real-world environments. Wo¨ltgens, P. J. M.; Koch, R. H. // Review of Scientific Instruments;Mar2000, Vol. 71 Issue 3 

    Reports on the measurements of the magnetic field noise and the spatial correlation of the noise using two three-axis fluxgate magnetometers. Magnitude of magnetic field noise; Correlation rate at a separation of 1 meter between two sensors; Noise cancellation methods; Limits on cancellation;...

  • Comparison of a low‐cost magneto‐inductive magnetometer with a proton magnetometer: a case study on the Galali iron ore deposit in western Iran. Shahsavani, Hashem // Near Surface Geophysics;Feb2019, Vol. 17 Issue 1, p69 

    The proton magnetometers, also known as the proton precession magnetometers, are among the most widely used instruments for magnetometry surveys, owing to their high resolution which is about 0.01 nT. As the economically attractive ferromagnetic deposits generate a magnetic field anomaly which...

  • Sensitive Josephson magnetometry of flux quantization in a normal conducting hole in a narrow YBa[sub 2]Cu[sub 3]O[sub 7] line. Barthelmess, H.-J.; Krey, S.; Ostertun, S.; Schilling, M. // Applied Physics Letters;9/18/2000, Vol. 77 Issue 12 

    A small YBa[sub 2]Cu[sub 3]O[sub 7] Josephson junction on a 24° symmetric SrTiO[sub 3] bicrystal is used as a sensitive magnetometer with micrometer spatial resolution in magnetic fields of up to 1 mT. The dependence of its critical current on the external magnetic flux is used to measure the...

  • Calibration of triaxial fluxgate gradiometer. Vcˇelák, Jan // Journal of Applied Physics;4/15/2006, Vol. 99 Issue 8, p08D913 

    The description of simple and fast calibration procedures used for double-probe triaxial fluxgate gradiometer is provided in this paper. The calibration procedure consists of three basic steps. In the first step both probes are calibrated independently in order to reach constant total field...

  • Evaluation of cancellation coil for precision magnetic measurements with strong prepolarization field inside shielded environment. Hwang, Seong-min; Kim, Kiwoong; Seok Kang, Chan; Lee, Seong-Joo; Lee, Yong-Ho // Journal of Applied Physics;Apr2012, Vol. 111 Issue 8, p083916 

    Many precision magnetic measurements can benefit significantly from or even require strong prepolarization fields (Bp) and magnetically shielded environments. We describe here in detail a cancellation coil (CC) which can neutralize the Bp on the electrically conductive shield walls that may...


Read the Article


Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics