Novel Compensated Moment Detection Coil

Lüdke, J.; Ahlers, H.; Albrecht, M.

doi:10.1109/tmag.2007.900978

Cited by 10 publications

(6 citation statements)

References 9 publications

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“…The coil system, which was previously described by Lüdke et al [9], generates a highly homogeneous magnetic field. A mirror is attached to the mechanical reference face of the coil system, labeled "1" in Fig.…”

Section: Methodsmentioning

confidence: 99%

“…In this paper, we present a new approach to determine the orientation of magnetic field sensors to an external reference frame. Our approach differs from that mentioned above because it uses only one coil that has been specially engineered for high field homogeneity [9] and two rotation stages while the orientation is measured with only one autocollimator [10]. Here, instead of relying on determination of the orthogonality of a multiaxis coil system, our method is based only on optically referenced angle measurements.…”

Section: Introductionmentioning

confidence: 99%

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Orientation of a Vector Magnetometer Optically Referenced to an External Coordinate System

et al. 2020

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We present a new method to realize a vector magnetometer that has been optically referenced to an external coordinate system. The vector magnetometer is made up of three Hall sensors attached to orthogonal faces of a glass cube. When placed in a homogeneous magnetic field, rotating the vector magnetometer around two axes allows the orientation of each sensor to be determined with respect to the glass cube. The orientation of the glass cube is detected by an autocollimator and optically referenced to an external coordinate system. A direction uncertainty below 130 µrad (which is traceable to angle standards) is achieved.

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Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Orientation of a Vector Magnetometer Optically Referenced to an External Coordinate System

et al. 2020

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“…In this region generally known as the "quasi-static" region, the differences between the flux generated by DC and AC can be assumed negligible. The Helmholtz coil has many applications in a variety of areas such as, calibration of magnetic instruments and probes, biomedical/bioelectromagnetic studies, diagnostic studies on electron beams, and in the study of the magnetic properties of materials [43][44][45][46].…”

Section: Experimental Methodologymentioning

confidence: 99%

High-Spatial Resolution Giant Magnetoresistive Sensors - Part II: Application in Biomedicine

Gooneratne

Chomsuwan

Kakikawa

et al. 2013

Giant Magnetoresistance (GMR) Sensors

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Abstract. Magnetic fluid based hyperthermia therapy for treating cancerous tumors can be performed with a high success rate and minimal error given the possibility of detecting and estimating magnetic fluid weight density in vivo. In this chapter, a uniquely designed GMR needle probe is presented for the detection and estimation of magnetic fluid content density inside tumors. Experimental results showed that the proposed technique has a good potential to be implemented in hyperthermia therapy in the future.

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“…Consequently, this paper is focused on a simple characterization technique, aimed at accurately estimating the magnetic dipole moment of a coil. While magnetic dipole measurement is mentioned in the literature, most works do not target accurate characterization of active coils, being mostly focused on approximate characterization of electric appliances [16][17], on characterization of permanent magnets [18], on magnetostatic characterization of space equipment [19], or are strongly focused on modeling [20]. The proposed approach is simple and computationally light, and was validated both by simulations and experimentally, using small coils compatible with short range MPSs.…”

Section: Introductionmentioning

confidence: 99%