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Journal of the Optical Society of Korea

Journal of the Optical Society of Korea

| PUBLISHED BY THE OPTICAL SOCIETY OF KOREA

  • Vol. 16, Iss. 4 — Dec. 25, 2012
  • pp: 457–461

Real-time Measurement of Full Field Retardation Near Quarter Wavelength

Longhai Liu, Aijun Zeng, Qiao Yuan, Linglin Zhu, Ruifang Fang, and Huijie Huang  »View Author Affiliations


Journal of the Optical Society of Korea, Vol. 16, Issue 4, pp. 457-461 (2012)


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Abstract

A real-time method to measure full field retardation near quarter wavelength is proposed. The circularly polarized beam passes through a sample with a large aperture. The measuring beam then goes through a quarter-wave plate and is then split by a Wollaston prism. An image with two sub-images is then detected by a high-speed image sensor. The full field retardation near quarter wavelength can be obtained in real time by processing the image. The measured retardation is independent of the fast axis angle of the sample and the fluctuation of the initial intensity. In experiments, a wedge waveplate is measured with different fast axis angle and initial intensity, and the full field retardations are acquired. The maximum and standard deviation of the full field retardation is 1.5° and 0.4°. The validity of the method is verified.

© 2012 Optical Society of Korea

OCIS Codes
(120.2130) Instrumentation, measurement, and metrology : Ellipsometry and polarimetry
(120.3940) Instrumentation, measurement, and metrology : Metrology
(260.1440) Physical optics : Birefringence
(260.5430) Physical optics : Polarization

History
Original Manuscript: July 13, 2012
Revised Manuscript: October 15, 2012
Manuscript Accepted: October 23, 2012
Published: December 25, 2012

Citation
Longhai Liu, Aijun Zeng, Qiao Yuan, Linglin Zhu, Ruifang Fang, and Huijie Huang, "Real-time Measurement of Full Field Retardation Near Quarter Wavelength," J. Opt. Soc. Korea 16, 457-461 (2012)
http://www.opticsinfobase.org/josk/abstract.cfm?URI=josk-16-4-457


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