Tunable apodizers and tunable focalizers using helical pairs

Authors

  • Jorge Ojeda-Castaneda University of Guanajuato, Mexico
  • Sergio Ledesma University of Guanajuato
  • Cristina Margarita Gomez-Sarabia University of Guanajuato

DOI:

https://doi.org/10.4302/photon.%20lett.%20pl.v5i1.383

Abstract

We unveil the use of two helically distributed amplitude masks for controlling the damping coefficient of Gaussian-like windows. We show that by introducing an in-plane rotation between the members of the proposed pair, one eliminates the polar dependence of the masks. Then, one can tune the half-width of radial Gaussian-like apodizers. In a similar manner, we show that if one uses two helically distributed refractive elements, as a pair, then one can control the maximum value of the optical path difference; which is useful for tuning several radial focalizers.

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Author Biography

Jorge Ojeda-Castaneda, University of Guanajuato, Mexico

Electronics Department, Professor

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Published

2013-03-28

How to Cite

[1]
J. Ojeda-Castaneda, S. Ledesma, and C. M. Gomez-Sarabia, “Tunable apodizers and tunable focalizers using helical pairs”, Photonics Lett. Pol., vol. 5, no. 1, pp. pp. 20–22, Mar. 2013.

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