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WANG Lan, LI Guo-hua, KONG Chao, JIA Peng. Phase retardation measurement with two λ/4 wave plates[J]. LASER TECHNOLOGY, 2007, 31(6): 663-664,583.
Citation: WANG Lan, LI Guo-hua, KONG Chao, JIA Peng. Phase retardation measurement with two λ/4 wave plates[J]. LASER TECHNOLOGY, 2007, 31(6): 663-664,583.
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Phase retardation measurement with two λ/4 wave plates

  • Institute of Laser Research, Qufu Normal University, Qufu 273165, China

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  • Received Date: August 27, 2006
  • Revised Date: November 13, 2006
  • Published Date: December 24, 2007
    Graphical Abstract
    • Abstract
  • In the retardation measurement of wave plate,the accuracy is often influenced by the fluctuation of the light source.If the fluctuation of the light intensity is avoided,the measurement system will become simple,and the measurement accuracy will be improved.A new measurement system with a polarization apparatus was built,which is composed of two λ/4 wave plates and the measured wave plate.In the system,angle measurement substitutes direct light intensity measarement,which can effectively avoid fluctuation of the light intensity.The measurement accuracy can reach 0.5°.Compared with traditional measurement methods,it is a handy method with simpler system and higher accuracy.
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    • References (10)
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