Diffractive gratings with varying period’s shape


  • Zbigniew Jaroszewicz Institute of Applied Optics
  • Eugeniusz Czech Faculty of Electrical Engineering, Białystok University of Technology
  • Tomasz Osuch National Institute of Telecommunications




The aim of this short review is to recall various designs of diffraction gratings when the condition of the period’s identity is relaxed and to mention resulting thus some of their applications. Among others the apodization function can be implemented as a variable diffraction efficiency due to the gradual change of the period’s shape. Another possible application is the passive achromatization of the diffraction efficiency of the blazed gratings by randomizing their blaze angle.

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How to Cite

Z. Jaroszewicz, E. Czech, and T. Osuch, “Diffractive gratings with varying period’s shape”, Photonics Lett. Pol., vol. 11, no. 2, pp. 41–43, Jul. 2019.