Generating Gaussian beams using energy-efficient phase DOEs

Svetlana N. Khonina; A. A. Almazov

doi:10.1117/12.518379

23 September 2003 Generating Gaussian beams using energy-efficient phase DOEs

Svetlana N. Khonina, A. A. Almazov

Proceedings Volume 5067, Saratov Fall Meeting 2002: Laser Physics and Photonics, Spectroscopy, and Molecular Modeling III; Coherent Optics of Ordered and Random Media III; (2003) https://doi.org/10.1117/12.518379
Event: Saratov Fall Meeting 2002 Laser Physics and Photonics, Spectroscopy, and Molecular Modeling III; Coherent Optics of Ordered and Random Media III, 2002, Saratov, Russian Federation

Abstract

The paper is devoted to designing energy-efficient phase DOEs to generate Gauss-Laguerre modes, ψ_0m(r,φ),m≤M. The DOEs are designed using the Lesem method. For the DOEs operating a plane illuminating beam the optimal DOE aperture radius is calculated. For the DOEs illuminated by the Gaussian beam an extra aperture is not employed, with the radius of an optimal effective radius of the illuminating Gaussian beam calculated in this case. As distinct from the earlier works, the DOE-generated images are being scaled, which results in fairly low root-mean-square deviation and geometric error.

Citation Download Citation

Svetlana N. Khonina and A. A. Almazov "Generating Gaussian beams using energy-efficient phase DOEs", Proc. SPIE 5067, Saratov Fall Meeting 2002: Laser Physics and Photonics, Spectroscopy, and Molecular Modeling III; Coherent Optics of Ordered and Random Media III, (23 September 2003); https://doi.org/10.1117/12.518379

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