Invasiveness of an Optical Magnetic Field Probe(Measurements, <Special Section>2004 International Symposium on Electromagnetic Compatibility)
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概要
- 論文の詳細を見る
Electromagnetic field probes inevitably disturb the original distribution of the field when they are positioned close to a device. This disturbance in turn affects measurement accuracy and device operation. We developed an optical magnetic field probe, comprising a loop antenna element and an electro-optic crystal, for highly accurate magnetic near-field measurement in the GHz frequency range. We analyzed the invasiveness of the optical magnetic field probe quantitatively both experimentally and using finite difference time domain simulation. We found that eliminating the metal cable reduced the disturbance of the surrounding field that was to be measured. In addition, we investigated the magnetic field detection characteristics of the probe and its influence on the operation of a microstrip line. The optical magnetic field probe was less invasive and provided more accurate measurement.
- 社団法人電子情報通信学会の論文
- 2005-08-01
著者
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Suzuki E
Shinshu Univ. Ueda Jpn
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Sato R
National Inst. Of Information And Communications Technol. Sendai‐shi Jpn
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SATO Risaburo
Sendai Electromagnetic Compatibility Research Center
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Ota Hiroyasu
Sendai Research Center Nict
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SUZUKI Eiji
TDK Corporation
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ARAKAWA Satoru
Anritsu Corporation
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ARAI Ken
Sendai Research Center, NICT
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SATO Risaburo
Risaburo Sato Laboratory
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Arai K
Sendai Research Center Nict
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Suzuki E
Tdk Corporation
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