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Proceedings Paper

Approximate and rigorous approaches to design diffractive gratings in the resonance domain
Author(s): R. Malureanu; Dan Cojoc; Matteo Altissimo; Luca Businaro; Stefano Cabrini; Enzo M. Di Fabrizio
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Paper Abstract

In this paper we compare two techniques to design diffractive gratings with periods close to the wavelength of the illumination beam. The first method, based on the Rayleigh method, is faster and allows good result if grating period is more than 1.2 bigger than the wavelength. The second method, known as Fourier Modal Method, is more precise but also requires a longer calculation time. Results obtained from the computer simulations and experiments are presented for gratings with 0.750μm and 1.5μm period illuminated by a collimated wave with 0.633μm wavelength.

Paper Details

Date Published: 30 September 2003
PDF: 8 pages
Proc. SPIE 5227, Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies, (30 September 2003); doi: 10.1117/12.519805
Show Author Affiliations
R. Malureanu, Elettra Synchrotron Light Source (Italy)
Dan Cojoc, Elettra Synchrotron Light Source (Italy)
Univ. Politehnica of Bucharest (Romania)
Matteo Altissimo, Elettra Synchrotron Light Source (Italy)
Luca Businaro, Elettra Synchrotron Light Source (Italy)
Stefano Cabrini, Elettra Synchrotron Light Source (Italy)
Enzo M. Di Fabrizio, Elettra Synchrotron Light Source (Italy)


Published in SPIE Proceedings Vol. 5227:
Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies
Ovidiu Iancu; Adrian Manea; Dan Cojoc, Editor(s)

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