Optical electric-field sensor using single &#946;-BaB2O4 crystal

Rong Zeng; Xiaoli Shen; Changsheng Li; Bo Wang

doi:10.1117/12.970254

17 October 2012 Optical electric-field sensor using single β-BaB₂O₄ crystal

Rong Zeng, Xiaoli Shen, Changsheng Li, Bo Wang

Proceedings Volume 8421, OFS2012 22nd International Conference on Optical Fiber Sensors; 84212U (2012) https://doi.org/10.1117/12.970254
Event: OFS2012 22nd International Conference on Optical Fiber Sensor, 2012, Beijing, China

Abstract

A novel optical electric-field sensor is proposed and experimentally investigated by using single beta barium borate (β- BaB₂O₄, BBO) crystal. The optical sensing unit is only composed of single BBO crystal and two polarizers, the π/2 optical bias is provided by natural birefringence of the BBO crystal itself. Advantages of the BBO crystal over previous lithium niobate crystal used as electric-field sensor mainly include larger measurement sensitivity and no ferroelectric ringing effect. The 50Hz ac and lighting impulse electric fields in the range of (10~400)kV/m have been measured in experiment with good linearity and fast response.

Citation Download Citation

Rong Zeng, Xiaoli Shen, Changsheng Li, and Bo Wang "Optical electric-field sensor using single β-BaB₂O₄ crystal", Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 84212U (17 October 2012); https://doi.org/10.1117/12.970254

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