Current Optics and Photonics

Optical Society of Korea (한국광학회)
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Generation of U and P Singularities in Partially Coherent Beams Using Intensity Control

  • Peng, Xinyu (Department of Optical Engineering, School of Electronic and Optical Engineering, Nanjing University of Science and Technology) ;
  • Ye, Dong (Department of Optical Engineering, School of Electronic and Optical Engineering, Nanjing University of Science and Technology) ;
  • Zheng, Guo (Department of Optical Engineering, School of Electronic and Optical Engineering, Nanjing University of Science and Technology) ;
  • Zhao, Qi (Department of Optical Engineering, School of Electronic and Optical Engineering, Nanjing University of Science and Technology) ;
  • Song, Minmin (Department of Optical Engineering, School of Electronic and Optical Engineering, Nanjing University of Science and Technology)
  • Received : 2016.07.11
  • Accepted : 2017.02.25
  • Published : 2017.04.25
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Abstract

It is shown that polarization singularities of a new type, namely U and P singularities, arise at the transverse cross section of a partially coherent beam, instead of the common singularities such as C points and L lines in a completely coherent vector field. A relationship between the two kind of singularities with respect to intensity is proposed. We also present a setup that can generate the new singularities, and any desired distribution of degree of polarization, using intensity control.

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References

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