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Article dans une revue

Electro-Optic Probe Devoted to Simultaneous Electric Field and Temperature Measurement in Biological Media for Dosimetric Assessments

Abstract : Here, we present the suitability of an electro-optic probe for performing simultaneous electric-field and temperature measurements in the case of bioelectromagnetic experiments such as specific absorption rate (SAR) assessments, or the characterization of in-situ nanosecond pulsed electric fields (nsPEF). In the frequency domain, the millimeter-sized probe, immersed in a water solution, reached a sensitivity of 170 mVm−1Hz1/2 , and presented a dynamic range exceeding 70 dB. Furthermore, temperature measurements led to a resolution of 22 mK. These abilities were used to perform dual SAR assessments by simultaneous electric-field and temperature measurements. Thanks to its ultra-wide bandwidth, the electro-optic probe is particularly suited for high transient electric-field measurements in the time domain. Pulses with different shapes and intensities were visualized and investigated.
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https://hal-unilim.archives-ouvertes.fr/hal-00772171
Contributeur : Véronique Maury <>
Soumis le : jeudi 10 janvier 2013 - 10:46:13
Dernière modification le : lundi 20 juillet 2020 - 09:12:05

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  • HAL Id : hal-00772171, version 1

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Pierre Jarrige, Gwenaël Gaborit, Lionel Duvillaret, Sophie Kohler, Nicolas Ticaud, et al.. Electro-Optic Probe Devoted to Simultaneous Electric Field and Temperature Measurement in Biological Media for Dosimetric Assessments. The Radio Science Bulletin, 2012, pp. 5-15. ⟨hal-00772171⟩

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