Magnetics Business & Technology - November/December 2020 - 5

Magnetic Field Measurement
Magnetic Field Visualization in a plane and in time
Addition of a mirror surface to a magneto-optic film enables imaging the
fringe field polarity and magnitude.

Magneto-Optic Sensors
Operating Principle: Faraday Rotation of Polarized Light
β
β
Magneto-Optic
Sensor

Magnetic
Sample

Field Range

Type A: ±2.5mT; Type B: ±38mT;
Type C: ±163mT; Type D: ±6mT

Dimensions

8x8mm; 20.5x15.5mm; 60x45mm;
or 3inch diameter

Optical Resolution

1 to 25µm

Time Resolution

~1µs

Operating Temp

+15 to +30˚C

Analog and Digital Magneto-Optic Systems
Analysis Of:
* Polarity, homogeneity, distribution of the magnetic
material, magnetization properties, and flux density
Geometrical resolution:
* Minimum of 25μm (depending on sensor and camera)
Applications:
* Magnetized and non-magnetized permanent magnets
* Magnetic encoders, electrical steel, construction steel,
and stainless steel
* Variations in structure due to heat input or deformation
* Investigations of magnetic security tags as well as serial
numbers on vehicles and weapons

MagEye

Minimo

MagView

CMOS MagView

Magnetic Field Mapping
High Resolution 3- Component, 3D Magnetic Field Mapping
Integrated with Commercially Available
Coordinate Measuring Machine (CMM)

Complete Magnetic Field Mapping System (MMS)

By

SENIS 3-Axis Hall Magnetic
Field Single- or Multi-Probe

Bx
Bz

03A 3-Axis Integrated Hall Probe
with Field Sensitive Volume of
0.15 x 0.01 x 0.15mm

Zeiss Contura G2 Coordinate Measuring Machine (CMM)

SENIS Magnetic Field Mapping System (MMS); Up to 500 x 500 x 500mm
Scanning Volume; 10µm Spatial Resolution; 0.1% Magnetic Field Accuracy

GMW Associates * www.gmw.com


http://www.gmw.com

Magnetics Business & Technology - November/December 2020

Table of Contents for the Digital Edition of Magnetics Business & Technology - November/December 2020

Magnetics Business & Technology - November/December 2020
Editor’s Choice/ Features
Paragraf Strides toward Commercializing Graphene- Based Hall Effect Sensors for Highly Precise Magnetic Measurement
Magnetics-Based Turboexpander Enables Energy Recovery from Pressure Letdown Stations in Natural Gas Pipelines
Buildup of Littoral Naval Forces Brings New Attention to Underwater Magnetic Sensing
Tech Tips
Embedding Magnetics Achieves Reliability & Consistency, Part 2 of 3
Product News
Industry News
Events Calendar/ Advertising Index
Visions
Magnetics Business & Technology - November/December 2020 - Magnetics Business & Technology - November/December 2020
Magnetics Business & Technology - November/December 2020 - Cover2
Magnetics Business & Technology - November/December 2020 - 3
Magnetics Business & Technology - November/December 2020 - Editor’s Choice/ Features
Magnetics Business & Technology - November/December 2020 - 5
Magnetics Business & Technology - November/December 2020 - Paragraf Strides toward Commercializing Graphene- Based Hall Effect Sensors for Highly Precise Magnetic Measurement
Magnetics Business & Technology - November/December 2020 - 7
Magnetics Business & Technology - November/December 2020 - Magnetics-Based Turboexpander Enables Energy Recovery from Pressure Letdown Stations in Natural Gas Pipelines
Magnetics Business & Technology - November/December 2020 - 9
Magnetics Business & Technology - November/December 2020 - 10
Magnetics Business & Technology - November/December 2020 - 11
Magnetics Business & Technology - November/December 2020 - 12
Magnetics Business & Technology - November/December 2020 - 13
Magnetics Business & Technology - November/December 2020 - Buildup of Littoral Naval Forces Brings New Attention to Underwater Magnetic Sensing
Magnetics Business & Technology - November/December 2020 - 15
Magnetics Business & Technology - November/December 2020 - Embedding Magnetics Achieves Reliability & Consistency, Part 2 of 3
Magnetics Business & Technology - November/December 2020 - 17
Magnetics Business & Technology - November/December 2020 - 18
Magnetics Business & Technology - November/December 2020 - 19
Magnetics Business & Technology - November/December 2020 - Product News
Magnetics Business & Technology - November/December 2020 - 21
Magnetics Business & Technology - November/December 2020 - 22
Magnetics Business & Technology - November/December 2020 - 23
Magnetics Business & Technology - November/December 2020 - Industry News
Magnetics Business & Technology - November/December 2020 - 25
Magnetics Business & Technology - November/December 2020 - 26
Magnetics Business & Technology - November/December 2020 - 27
Magnetics Business & Technology - November/December 2020 - Events Calendar/ Advertising Index
Magnetics Business & Technology - November/December 2020 - 29
Magnetics Business & Technology - November/December 2020 - Visions
Magnetics Business & Technology - November/December 2020 - Cover3
Magnetics Business & Technology - November/December 2020 - Cover4
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