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YAN Ming, GAO Zhi-shan. The simple method research for measuring the phase retardation of wave-plates[J]. LASER TECHNOLOGY, 2005, 29(3): 233-236.
Citation: YAN Ming, GAO Zhi-shan. The simple method research for measuring the phase retardation of wave-plates[J]. LASER TECHNOLOGY, 2005, 29(3): 233-236.

The simple method research for measuring the phase retardation of wave-plates

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  • Received Date: December 07, 2003
  • Revised Date: June 22, 2004
  • Published Date: May 24, 2005
  • The measurement model of wave-plate's phase retardation based on the theory of compensate was introduced with the help of common Jones formula of wave-plate,a novel method was proposed to measu re the phase retardation for many kinds of wave-plates whose axes were unknown. The stepping motor was used to drive the wave-plate and a grating encoder was used to measure rotating angle of the analyzer.A light intensity meter was used to gather the energy of laser.While the measured wave-plate was rotated around,the phase retardation was obtained from the maximum and minimum value.This method is rapid and convenient.
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