Abstract
We developed a magnetometer based on inductance modulation of a coil made from a high-critical-temperature superconducting material. The coil inductance was modulated over time via a modulation current applied to a magnetic wire that was inserted into the coil. The magnetic field was then converted into a signal voltage using this time-dependent inductance. The relationship between magnetometer performance and the modulation current conditions was studied. Under appropriate conditions, the magnetometer had responsivity of 885 V/T. The magnetic field noise was 1.3 pT/Hz1/2 in the white noise region and 5.6 pT/Hz1/2 at f = 1 Hz.
| Original language | English |
|---|---|
| Article number | 060314 |
| Journal | Japanese Journal of Applied Physics |
| Volume | 57 |
| Issue number | 6 |
| DOIs | |
| Publication status | Published - Jun 2018 |
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All Science Journal Classification (ASJC) codes
- Engineering(all)
- Physics and Astronomy(all)
Cite this
Low-noise magnetometer based on inductance modulation in high-critical-temperature superconductor coil. / Enpuku, Keiji; Matsuo, Masaaki; Yoshida, Yujiro; Yamashita, Shigeya; Sasayama, Teruyoshi; Yoshida, Takashi.
In: Japanese Journal of Applied Physics, Vol. 57, No. 6, 060314, 06.2018.Research output: Contribution to journal › Article
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TY - JOUR
T1 - Low-noise magnetometer based on inductance modulation in high-critical-temperature superconductor coil
AU - Enpuku, Keiji
AU - Matsuo, Masaaki
AU - Yoshida, Yujiro
AU - Yamashita, Shigeya
AU - Sasayama, Teruyoshi
AU - Yoshida, Takashi
PY - 2018/6
Y1 - 2018/6
N2 - We developed a magnetometer based on inductance modulation of a coil made from a high-critical-temperature superconducting material. The coil inductance was modulated over time via a modulation current applied to a magnetic wire that was inserted into the coil. The magnetic field was then converted into a signal voltage using this time-dependent inductance. The relationship between magnetometer performance and the modulation current conditions was studied. Under appropriate conditions, the magnetometer had responsivity of 885 V/T. The magnetic field noise was 1.3 pT/Hz1/2 in the white noise region and 5.6 pT/Hz1/2 at f = 1 Hz.
AB - We developed a magnetometer based on inductance modulation of a coil made from a high-critical-temperature superconducting material. The coil inductance was modulated over time via a modulation current applied to a magnetic wire that was inserted into the coil. The magnetic field was then converted into a signal voltage using this time-dependent inductance. The relationship between magnetometer performance and the modulation current conditions was studied. Under appropriate conditions, the magnetometer had responsivity of 885 V/T. The magnetic field noise was 1.3 pT/Hz1/2 in the white noise region and 5.6 pT/Hz1/2 at f = 1 Hz.
UR - http://www.scopus.com/inward/record.url?scp=85047908460&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85047908460&partnerID=8YFLogxK
U2 - 10.7567/JJAP.57.060314
DO - 10.7567/JJAP.57.060314
M3 - Article
AN - SCOPUS:85047908460
VL - 57
JO - Japanese Journal of Applied Physics, Part 1: Regular Papers & Short Notes
JF - Japanese Journal of Applied Physics, Part 1: Regular Papers & Short Notes
SN - 0021-4922
IS - 6
M1 - 060314
ER -