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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 37, Iss. 11 — Jun. 1, 2012
  • pp: 2124–2126

Optimal crystal geometry and orientation in electric field sensing using electro-optic sensors

Anthony Garzarella and Dong Ho Wu  »View Author Affiliations


Optics Letters, Vol. 37, Issue 11, pp. 2124-2126 (2012)
http://dx.doi.org/10.1364/OL.37.002124


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Abstract

For optimal sensitivity in electric field measurements, electro-optic (EO) crystals are typically selected based on their EO coefficients and dielectric constants. However, the conventional figure of merit yields sensitivity predictions regarding EO materials that are inconsistent with experimental data. In this Letter, we demonstrate that depolarization effects, which are often ignored, can dramatically enhance responsivity depending on the shape and orientation of the EO crystal. For optimal sensitivity, these effects are best exploited in longitudinal EO sensors, where they yield an optical modulation depth that increases quadratically with crystal length.

© 2012 Optical Society of America

OCIS Codes
(190.4360) Nonlinear optics : Nonlinear optics, devices
(280.4788) Remote sensing and sensors : Optical sensing and sensors

ToC Category:
Remote Sensing and Sensors

History
Original Manuscript: March 23, 2012
Revised Manuscript: April 20, 2012
Manuscript Accepted: April 21, 2012
Published: June 1, 2012

Citation
Anthony Garzarella and Dong Ho Wu, "Optimal crystal geometry and orientation in electric field sensing using electro-optic sensors," Opt. Lett. 37, 2124-2126 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-11-2124


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References

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