Some applications of binary Diffractive Optical Elements

K. Aït-Ameur; N. Passilly; M. Fromager; E. Cagniot

doi:10.1117/12.828143

24 August 2009 Some applications of binary Diffractive Optical Elements

K. Aït-Ameur, N. Passilly, M. Fromager, E. Cagniot

Proceedings Volume 7430, Laser Beam Shaping X; 74300P (2009) https://doi.org/10.1117/12.828143
Event: SPIE Optical Engineering + Applications, 2009, San Diego, California, United States

Abstract

We consider the promising properties of very simple Diffractive Optical Elements (DOE) for reshaping the intensity profile of a laser beam. The first type of DOE that we have considered is a phase aperture which consists in a transparent plate with a circular relief introducing a π phase shift in the central region of the incident beam. The phase aperture is able to convert a Gaussian beam into a super-Gaussian, a ring-shaped or a doughnut profile. The second DOE that has been considered is a phase step which is able to transform a TEM₀₀ beam into a TEM₁₀ or TEM₀₁ beam depending on its orientation. These beams have been used to generate radial polarization.

Citation Download Citation

K. Aït-Ameur, N. Passilly, M. Fromager, and E. Cagniot "Some applications of binary Diffractive Optical Elements", Proc. SPIE 7430, Laser Beam Shaping X, 74300P (24 August 2009); https://doi.org/10.1117/12.828143

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