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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 52, Iss. 31 — Nov. 1, 2013
  • pp: 7580–7585

Optical electric-field sensor based on angular optical bias using single β-BaB2O4 crystal

Changsheng Li, Xiaoli Shen, and Rong Zeng  »View Author Affiliations

Applied Optics, Vol. 52, Issue 31, pp. 7580-7585 (2013)

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A novel optical electric-field sensor is proposed and demonstrated in experiment by use of a single beta barium borate (β-BaB2O4, BBO) crystal. The optical sensing unit is only composed of one BBO crystal and two polarizers. An optical phase bias of 0.5π is provided by using natural birefringence in the BBO crystal itself. A small angle (e.g., 0.6°) between the sensing light beam and principal axis of the crystal is required in order to produce the above optical bias. Thus the BBO crystal is used as the electric-field-sensing element and quarter waveplate. The ac electric field in the range of (1.4703.2)kV/m has been measured with measurement sensitivity of 1.39mV/(kV/m) and nonlinear error of 0.6%. Compared with lithium niobate crystal used as an electric-field sensor, main advantages of the BBO crystal include higher measurement sensitivity, compact configuration, and no ferroelectric ringing effect.

© 2013 Optical Society of America

OCIS Codes
(230.2090) Optical devices : Electro-optical devices
(260.1440) Physical optics : Birefringence
(280.4788) Remote sensing and sensors : Optical sensing and sensors

ToC Category:
Physical Optics

Original Manuscript: August 28, 2013
Revised Manuscript: October 5, 2013
Manuscript Accepted: October 7, 2013
Published: October 28, 2013

Changsheng Li, Xiaoli Shen, and Rong Zeng, "Optical electric-field sensor based on angular optical bias using single β-BaB2O4 crystal," Appl. Opt. 52, 7580-7585 (2013)

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