Fresnel ellipsoid approach for Gaussian beam focusing

Gabrielle Thériault; Réal Tremblay; Nathalie McCarthy

doi:10.1117/12.794829

12 September 2008 Fresnel ellipsoid approach for Gaussian beam focusing

Gabrielle Thériault, Réal Tremblay, Nathalie McCarthy

Proceedings Volume 7062, Laser Beam Shaping IX; 706215 (2008) https://doi.org/10.1117/12.794829
Event: Optical Engineering + Applications, 2008, San Diego, California, United States

Abstract

This paper studies the diffraction of monochromatic Gaussian beams by a sequence of parallel coaxial circular apertures in the near-field. Confocal Fresnel ellipsoids are used to design diffraction-based and wavelength-specific focusing systems through a sequence of circular apertures. The results obtained with this research show that Gaussian beams can be focused through a sequence of circular aperture diffraction effects.

Citation Download Citation

Gabrielle Thériault, Réal Tremblay, and Nathalie McCarthy "Fresnel ellipsoid approach for Gaussian beam focusing", Proc. SPIE 7062, Laser Beam Shaping IX, 706215 (12 September 2008); https://doi.org/10.1117/12.794829

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