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30 September 2003 Approximate and rigorous approaches to design diffractive gratings in the resonance domain
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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.
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R. Malureanu, Dan Cojoc, Matteo Altissimo, Luca Businaro, Stefano Cabrini, and Enzo M. Di Fabrizio "Approximate and rigorous approaches to design diffractive gratings in the resonance domain", Proc. SPIE 5227, Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies, (30 September 2003); https://doi.org/10.1117/12.519805
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