Presentation 2007-03-09
A Study on the High Frequency Magnetic Field Measurements using Magnetic Garnet Thin Crystal
Masanori TAKAHASHI, Hiroyasu OTA, Nobuyasu ADACHI, Ken Ichi ARAI,
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Abstract(in English) We have developed a high-speed measurement system for electromagnetic field distributions. The system uses a galvno scanner for high-speed laser scanning and an electro-optic or magneto-optic crystal substrate for field detection. We measured magnetic field distributions using a magnetic garnet thin film that showed a magneto-optic effect. Addressing the sensitivity enhancement at the gigahertz range, we applied a magnetic field bias to the magnetic garnet thin film during measurements.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Optical Sensor / Magneto-Optic Effect / Magnetic Garnet Thin Film / Galvano Scanner / Electromagnetic Near Field
Paper # EMCJ2006-129
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Committee EMCJ
Conference Date 2007/3/2(1days)
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Registration To Electromagnetic Compatibility (EMCJ)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) A Study on the High Frequency Magnetic Field Measurements using Magnetic Garnet Thin Crystal
Sub Title (in English)
Keyword(1) Optical Sensor
Keyword(2) Magneto-Optic Effect
Keyword(3) Magnetic Garnet Thin Film
Keyword(4) Galvano Scanner
Keyword(5) Electromagnetic Near Field
1st Author's Name Masanori TAKAHASHI
1st Author's Affiliation Sendai Electromagnetic Field Measurement Technology Research Center, NICT()
2nd Author's Name Hiroyasu OTA
2nd Author's Affiliation Sendai Electromagnetic Field Measurement Technology Research Center, NICT
3rd Author's Name Nobuyasu ADACHI
3rd Author's Affiliation Ceramics Research Laboratory, Nagoya Institute of Technology
4th Author's Name Ken Ichi ARAI
4th Author's Affiliation Sendai Electromagnetic Field Measurement Technology Research Center, NICT
Date 2007-03-09
Paper # EMCJ2006-129
Volume (vol) vol.106
Number (no) 579
Page pp.pp.-
#Pages 6
Date of Issue