Rigorous diffraction of Hermite-Gaussian beams by a double slit: TM polarization case

G. Enriquez-Leon; M. G. Martínez-Flores; G. Torres-Morales; J. Sumaya-Martínez; S. Lopez-Lopez

doi:10.1117/12.912506

14 October 2011 Rigorous diffraction of Hermite-Gaussian beams by a double slit: TM polarization case

G. Enriquez-Leon, M. G. Martínez-Flores, G. Torres-Morales, J. Sumaya-Martínez, S. Lopez-Lopez

Proceedings Volume 8287, Eighth Symposium Optics in Industry; 82870R (2011) https://doi.org/10.1117/12.912506
Event: Eighth Symposium Optics in Industry, 2011, Toluca de Lerdo, Mexico

Abstract

A rigorous numerical analysis of the diffraction of finite-size Hermite-Gaussian beams by two slits is presented. The case of TM (Transversal Magnetic) polarization and oblique incidence is considered. We assume the double slit is ruled onto a metallic screen of non-zero thickness h, width ℓ and separation d. Far-field spectra and transmission coefficients are analyzed as a function of several opto-geometrical parameters, i.e. the wavelength λ, slit width ℓ and separation d. Particular emphasis is put on the description of the energy diffracted along the incident direction Ei because of its applications on optical-metrology. Finally, the validity of a well known scalar property Ei=2τ/λis studied within the vectorial regime.

Citation Download Citation

G. Enriquez-Leon, M. G. Martínez-Flores, G. Torres-Morales, J. Sumaya-Martínez, and S. Lopez-Lopez "Rigorous diffraction of Hermite-Gaussian beams by a double slit: TM polarization case", Proc. SPIE 8287, Eighth Symposium Optics in Industry, 82870R (14 October 2011); https://doi.org/10.1117/12.912506

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