標題: High-sensitivity optically modulated scatterer for electromagnetic-field measurement
作者: Lao, Ray-Rong
Liang, Wen-Lie
Shay, Wen-Tron
Thompson, Richard P.
Dudley, Richard A.
Merckel, Olivier
Ribiere-Tharaud, Nicolas
Bolomey, Jean-Charles
Tarng, Jenn-Hwan
電信工程研究所
Institute of Communications Engineering
關鍵字: optically modulated scatterer (OMS);radiated field;specific absorption rate (SAR)
公開日期: 1-四月-2007
摘要: The optically modulated-scatterer (OMS) technique is developed for electromagnetic-field-distribution measurement with minimum disturbance to the field under test. In this paper, an OMS with newly designed photoconductive-switching structure is proposed. The performances of the new OMS are evaluated with a monostatic-field-measurement system. Measurement results show that an improvement of 6 to 8 dB in sensitivity is achieved compared to previous OMS devices. The developed OMS was used in an electromagnetic-field-distribution mapping system to measure the field distribution in a cubic phantom radiated by a mobile phone. The results show the suitability of this OMS for specific-absorption-rate measurement application.
URI: http://dx.doi.org/10.1109/TIM.2007.890627
http://hdl.handle.net/11536/4937
ISSN: 0018-9456
DOI: 10.1109/TIM.2007.890627
期刊: IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT
Volume: 56
Issue: 2
起始頁: 486
結束頁: 490
顯示於類別:會議論文


文件中的檔案:

  1. 000245157000062.pdf