Study of Lau fringes generated by a photorefractive volume grating

In this work the Lau fringes generated by using a combination of an amplitude grating and a photorefractive volume phase grating is theoretically and experimentally analyzed. A model based on the path integral formalism to calculate the patterns intensity is employed. We show that the Lau pattern be...

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Detalles Bibliográficos
Autores principales: Forte, Gustavo Fabián, Tebaldi, Myrian Cristina, Bolognini, Néstor Alberto
Formato: Articulo
Lenguaje:Inglés
Publicado: 2017
Materias:
Física
Lau effect
Photorefractive crystal
Volume grating
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/119246
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-119246
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Física
Lau effect
Photorefractive crystal
Volume grating
spellingShingle Física
Lau effect
Photorefractive crystal
Volume grating
Forte, Gustavo Fabián
Tebaldi, Myrian Cristina
Bolognini, Néstor Alberto
Study of Lau fringes generated by a photorefractive volume grating
topic_facet Física
Lau effect
Photorefractive crystal
Volume grating
description In this work the Lau fringes generated by using a combination of an amplitude grating and a photorefractive volume phase grating is theoretically and experimentally analyzed. A model based on the path integral formalism to calculate the patterns intensity is employed. We show that the Lau pattern behavior is governed by the output pupil diameter of the imaging recording system, the DC external electric field and the crystal thickness. The introduction of a phase modulation that gathers the previously mentioned parameters allows determining the condition to optimize the fringe visibility. In this case, the visibility maintains a sinusoidal dependence as it happened with planar grating experiments. The experimental results confirm the theoretical model proposed.
format Articulo
Articulo
author Forte, Gustavo Fabián
Tebaldi, Myrian Cristina
Bolognini, Néstor Alberto
author_facet Forte, Gustavo Fabián
Tebaldi, Myrian Cristina
Bolognini, Néstor Alberto
author_sort Forte, Gustavo Fabián
title Study of Lau fringes generated by a photorefractive volume grating
title_short Study of Lau fringes generated by a photorefractive volume grating
title_full Study of Lau fringes generated by a photorefractive volume grating
title_fullStr Study of Lau fringes generated by a photorefractive volume grating
title_full_unstemmed Study of Lau fringes generated by a photorefractive volume grating
title_sort study of lau fringes generated by a photorefractive volume grating
publishDate 2017
url http://sedici.unlp.edu.ar/handle/10915/119246
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bdutipo_str Repositorios
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