Korean Journal of Optics and Photonics (한국광학회지)

Optical Society of Korea (한국광학회)
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Tunable Quarter-wave Plate Consisting of Two Phase Retarders and the Design of a Circular Polarizer

두 개의 위상지연판이 중첩된 가변 4분파장 위상지연자 및 원편광자의 설계

  • Received : 2014.05.13
  • Accepted : 2014.06.16
  • Published : 2014.06.25
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Abstract

The conditions under which a composite retarder consisting of two different retardation plates can be operated as a tunable quarter-wave plate are derived. The explicit expressions for the azimuthal angle of a linear polarizer and those of two retardation plates to generate circularly polarized light are presented as a function of retardation angles. Those expressions for the azimuthal angles derived using the Jones matrix formalism are verified as identical to the expressions derived from the analysis of the trajectory on a Poincar$\acute{e}$ sphere. A couple of examples are presented for generating circularly polarized light when two identical retardation plates are used.

서로 다른 위상지연각을 가지는 두 개의 위상판을 중첩하여 4분파장 위상지연자로 구동시키기 위한 필요조건을 찾고 선편광자와 이들 위상판들의 방위각이 만족해야할 관계식들을 위상지연각들의 함수로 해석적으로 유도하였다. 해석적인 방법으로 구한 각도 관계식들과 Poincare 구상에서의 자취분석을 통해 구한 각도 관계식들이 동일함을 확인하였고 동일한 두 개의 위상판을 사용할 경우 몇가지 응용예를 제시하였다.

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References

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