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Applied Optics

Applied Optics


  • Editor: James C. Wyant
  • Vol. 46, Iss. 5 — Feb. 10, 2007
  • pp: 699–703

Calibration method for a photoelastic modulator with a peak retardation of less than a half-wavelength

Aijun Zeng, Lihua Huang, Zuoren Dong, Jianming Hu, Huijie Huang, and Xiangzhao Wang  »View Author Affiliations

Applied Optics, Vol. 46, Issue 5, pp. 699-703 (2007)

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A new calibration method for a photoelastic modulator is proposed. The calibration includes a coarse calibration and a fine calibration. In the coarse calibration, the peak retardation of the photoelastic modulator is set near 1.841 r a d . In the fine calibration, the value of the zeroth Bessel function is obtained. The zeroth Bessel function is approximated as a linear equation to directly calculate the peak retardation. In experiments, the usefulness of the calibration method is verified and the calibration error is less than 0.014 r a d . The calibration is immune to the intensity fluctuation of the light source and independent of the circuit parameters. The method specially suits the calibration of a photoelastic modulator with a peak retardation of less than a half-wavelength.

© 2007 Optical Society of America

OCIS Codes
(230.4110) Optical devices : Modulators
(260.5430) Physical optics : Polarization

ToC Category:
Physical Optics

Original Manuscript: February 14, 2006
Revised Manuscript: October 12, 2006
Manuscript Accepted: October 18, 2006
Published: January 25, 2007

Aijun Zeng, Lihua Huang, Zuoren Dong, Jianming Hu, Huijie Huang, and Xiangzhao Wang, "Calibration method for a photoelastic modulator with a peak retardation of less than a half-wavelength," Appl. Opt. 46, 699-703 (2007)

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