Improvement of sensitivity using carrier suppression technique in high frequency carrier type thin-film magnetic field sensor

Hiroaki Kikuchi; Shin Yabukami; Masahiro Yamaguchi; Ken Ichi Arai; Tetsu Suzuki

doi:10.1109/INTMAG.2002.1001058

Improvement of sensitivity using carrier suppression technique in high frequency carrier type thin-film magnetic field sensor

Hiroaki Kikuchi, Shin Yabukami, Masahiro Yamaguchi, Ken Ichi Arai, Tetsu Suzuki

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

This paper demonstrates a high frequency carrier type thin-film magnetic field sensor (or so-called GMI sensor) with the ac field sensitivity of 9×10^-12 T. The sensitivity achieved is well competitive with the high temperature SQUID devices. This has been realized by reducing the phase noise floor down below the thermal noise of -174 dBm at room temperature through the carrier suppression technique. A new idea of sensitive dc field detection is also proposed.

Original language	English
Title of host publication	INTERMAG Europe 2002 - IEEE International Magnetics Conference
Editors	J. Fidler, B. Hillebrands, C. Ross, D. Weller, L. Folks, E. Hill, M. Vazquez Villalabeitia, J. A. Bain, Jo De Boeck, R. Wood
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)	0780373650, 9780780373655
DOIs	https://doi.org/10.1109/INTMAG.2002.1001058
Publication status	Published - 2002
Event	2002 IEEE International Magnetics Conference, INTERMAG Europe 2002 - Amsterdam, Netherlands Duration: 2002 Apr 28 → 2002 May 2

Publication series

Name	INTERMAG Europe 2002 - IEEE International Magnetics Conference

Other

Other	2002 IEEE International Magnetics Conference, INTERMAG Europe 2002
Country/Territory	Netherlands
City	Amsterdam
Period	02/4/28 → 02/5/2

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Electrical and Electronic Engineering
Surfaces, Coatings and Films

Access to Document

10.1109/INTMAG.2002.1001058

Cite this

Kikuchi, H., Yabukami, S., Yamaguchi, M., Arai, K. I., & Suzuki, T. (2002). Improvement of sensitivity using carrier suppression technique in high frequency carrier type thin-film magnetic field sensor. In J. Fidler, B. Hillebrands, C. Ross, D. Weller, L. Folks, E. Hill, M. Vazquez Villalabeitia, J. A. Bain, J. De Boeck, & R. Wood (Eds.), INTERMAG Europe 2002 - IEEE International Magnetics Conference [1001058] (INTERMAG Europe 2002 - IEEE International Magnetics Conference). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/INTMAG.2002.1001058

Improvement of sensitivity using carrier suppression technique in high frequency carrier type thin-film magnetic field sensor. / Kikuchi, Hiroaki; Yabukami, Shin ; Yamaguchi, Masahiro et al.

INTERMAG Europe 2002 - IEEE International Magnetics Conference. ed. / J. Fidler; B. Hillebrands; C. Ross; D. Weller; L. Folks; E. Hill; M. Vazquez Villalabeitia; J. A. Bain; Jo De Boeck; R. Wood. Institute of Electrical and Electronics Engineers Inc., 2002. 1001058 (INTERMAG Europe 2002 - IEEE International Magnetics Conference).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Kikuchi, H, Yabukami, S , Yamaguchi, M, Arai, KI & Suzuki, T 2002, Improvement of sensitivity using carrier suppression technique in high frequency carrier type thin-film magnetic field sensor. in J Fidler, B Hillebrands, C Ross, D Weller, L Folks, E Hill, M Vazquez Villalabeitia, JA Bain, J De Boeck & R Wood (eds), INTERMAG Europe 2002 - IEEE International Magnetics Conference., 1001058, INTERMAG Europe 2002 - IEEE International Magnetics Conference, Institute of Electrical and Electronics Engineers Inc., 2002 IEEE International Magnetics Conference, INTERMAG Europe 2002, Amsterdam, Netherlands, 02/4/28. https://doi.org/10.1109/INTMAG.2002.1001058

Kikuchi H, Yabukami S , Yamaguchi M, Arai KI, Suzuki T. Improvement of sensitivity using carrier suppression technique in high frequency carrier type thin-film magnetic field sensor. In Fidler J, Hillebrands B, Ross C, Weller D, Folks L, Hill E, Vazquez Villalabeitia M, Bain JA, De Boeck J, Wood R, editors, INTERMAG Europe 2002 - IEEE International Magnetics Conference. Institute of Electrical and Electronics Engineers Inc. 2002. 1001058. (INTERMAG Europe 2002 - IEEE International Magnetics Conference). doi: 10.1109/INTMAG.2002.1001058

Kikuchi, Hiroaki ; Yabukami, Shin ; Yamaguchi, Masahiro et al. / Improvement of sensitivity using carrier suppression technique in high frequency carrier type thin-film magnetic field sensor. INTERMAG Europe 2002 - IEEE International Magnetics Conference. editor / J. Fidler ; B. Hillebrands ; C. Ross ; D. Weller ; L. Folks ; E. Hill ; M. Vazquez Villalabeitia ; J. A. Bain ; Jo De Boeck ; R. Wood. Institute of Electrical and Electronics Engineers Inc., 2002. (INTERMAG Europe 2002 - IEEE International Magnetics Conference).

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abstract = "This paper demonstrates a high frequency carrier type thin-film magnetic field sensor (or so-called GMI sensor) with the ac field sensitivity of 9×10-12 T. The sensitivity achieved is well competitive with the high temperature SQUID devices. This has been realized by reducing the phase noise floor down below the thermal noise of -174 dBm at room temperature through the carrier suppression technique. A new idea of sensitive dc field detection is also proposed.",

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Improvement of sensitivity using carrier suppression technique in high frequency carrier type thin-film magnetic field sensor

Abstract

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