Thin and thick diffraction gratings: thin matrix decomposition method

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Título: Thin and thick diffraction gratings: thin matrix decomposition method
Autor/es: Neipp, Cristian | Márquez, Andrés | Hernández Prados, Antonio | Alvarez, Mariela L. | Beléndez, Augusto
Grupo/s de investigación o GITE: Holografía y Procesado Óptico
Centro, Departamento o Servicio: Universidad de Alicante. Departamento de Física, Ingeniería de Sistemas y Teoría de la Señal
Palabras clave: Holography | Volume holography | Holographic recording materials | Silver halide emulsions
Área/s de conocimiento: Física Aplicada | Óptica
Fecha de creación: 5-may-2004
Fecha de publicación: 2004
Editor: Elsevier
Cita bibliográfica: NEIPP LÓPEZ, Cristian, et al. "Thin and thick diffraction gratings: thin matrix decomposition method". Optik. Vol. 115, Issue 9 (2004). ISSN 0030-4026, pp. 385-392
Resumen: A brief review of the properties of transmission diffraction gratings is presented. Two types of gratings will be analyzed: thin and volume gratings explaining how the efficiency of the different orders that propagate inside the gratings can be calculated in both cases. For thin diffraction gratings the so-called amplitude transmittance method is applied in order to get the amplitude of the different orders, whereas in the case of volume gratings more complex methods are needed, such as Coupled Wave or modal theories. We will comment on the thin matrix decomposition method (TMDM), firstly proposed by Alferness, which gives a very intuitive approach and connects the properties of thin gratings to the properties of volume ones. The thin matrix decomposition method consists in dividing the volume grating in a number of thin gratings and applying the amplitude transmittance method to each thin grating. In this way the output of a grating will be considered as the input of the next and any individual grating can be treated by the amplitude transmittance method. The novelty of this work is that a comparison is made between the analytical expressions obtained by Alferness using the TMDM with the numerical results obtained using the coupled wave (CW) and rigorous coupled wave (RCW) theories for the efficiencies of the zero, first and second order when a plane wave incides onto a sinusoidal diffraction grating at the second on-Bragg replay angular condition.
Patrocinador/es: This work was supported by the "Oficina de Ciencia, Tecnología" (Generalitat Valenciana, Spain) under projects GV04A/574 and GV04A/565.
URI: http://hdl.handle.net/10045/9259
ISSN: 0030-4026 (Print) | 1618-1336 (Online)
DOI: 10.1078/0030-4026-00382
Idioma: eng
Tipo: info:eu-repo/semantics/article
Revisión científica: si
Versión del editor: http://dx.doi.org/10.1078/0030-4026-00382
Aparece en las colecciones:INV - GHPO - Artículos de Revistas

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