Faraday Effect sensor redressed by Nd2Fe14B biasing magnetic film

[摘要]：A Faraday Effect sensor with Nd2Fe14B biasing magnetic film was described. Ta/Nd2Fe14B/Ta films were grown by magnetron sputtering method. The magnetic domain in the sensor with the Nd2Fe14B biasing magnetic film can persist its distribution. The average linearity error of Faraday Effect sensor with biasing magnetic film decreased from 1.42% to 0.125% compared with non-biasing magnetic film, and the measurement range increased from 820 Oe to 900 Oe. (C)2012 Optical Society of America

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