Artículo
Ramírez, C.; Otón, E.; Iemmi, C.; Moreno, I.; Bennis, N.; Otón, J.M.; Campos, J. "Point diffraction interferometer with a liquid crystal monopixel" (2013) Optics Express. 21(7):8116-8125
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Abstract:
In this work a novel point diffraction interferometer based on a variable liquid crystal wave plate (LCWP) has been implemented. The LCWP consists of a 3x3 cm2 monopixel cell with parallel alignment. The monopixel cell was manufactured such that the electrode covers the entire surface except in a centered circular area of 50 μm of diameter. This circle acts as a point perturbation which diffracts the incident wave front giving rise to a spherical reference wave. By applying a voltage to the LCWP we can change the phase of the wave front that passes through the monopixel, except at the center. Phase shifting techniques are used in order to calculate the amplitude and phase distribution of the object wave front. The system allows a digital hologram to be obtained, and by using the Fresnel diffraction integral it is possible to digitally reconstruct the different planes that constitute the three dimensional object. © 2013 Optical Society of America.
Registro:
| Documento: | Artículo |
| Título: | Point diffraction interferometer with a liquid crystal monopixel |
| Autor: | Ramírez, C.; Otón, E.; Iemmi, C.; Moreno, I.; Bennis, N.; Otón, J.M.; Campos, J. |
| Filiación: | Depto. Física, Universidad Autónoma Barcelona, 08193 Bellaterra, Spain CEMDATIC, ETSI Telecomunicación, Universidad Politécnica de Madrid, 28040 Madrid, Spain Departamento de Física, Universidad de Buenos Aires, Buenos Aires 1428, Argentina Depto. de Ciencia de Materiales, Optica y Tecnología Electrónica, Universidad Miguel Hernández, 03202 Elche, Spain |
| Palabras clave: | Interferometers; Liquid crystals; Wavefronts; Amplitude and phase distributions; Different planes; Digital holograms; Fresnel diffraction integral; Parallel alignments; Phase-shifting technique; Point diffraction interferometer; Three-dimensional object; Diffraction; article; chemistry; electromagnetic field; equipment; equipment design; equipment failure; interferometry; liquid crystal; radiation exposure; refractometry; signal processing; Electromagnetic Fields; Equipment Design; Equipment Failure Analysis; Interferometry; Liquid Crystals; Refractometry; Signal Processing, Computer-Assisted |
| Año: | 2013 |
| Volumen: | 21 |
| Número: | 7 |
| Página de inicio: | 8116 |
| Página de fin: | 8125 |
| DOI: | http://dx.doi.org/10.1364/OE.21.008116 |
| Título revista: | Optics Express |
| Título revista abreviado: | Opt. Express |
| ISSN: | 10944087 |
| Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_10944087_v21_n7_p8116_Ramirez |
Referencias:
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Citas:
---------- APA ----------
Ramírez, C., Otón, E., Iemmi, C., Moreno, I., Bennis, N., Otón, J.M. & Campos, J. (2013) . Point diffraction interferometer with a liquid crystal monopixel. Optics Express, 21(7), 8116-8125.http://dx.doi.org/10.1364/OE.21.008116
---------- CHICAGO ----------
Ramírez, C., Otón, E., Iemmi, C., Moreno, I., Bennis, N., Otón, J.M., et al. "Point diffraction interferometer with a liquid crystal monopixel" . Optics Express 21, no. 7 (2013) : 8116-8125.http://dx.doi.org/10.1364/OE.21.008116
---------- MLA ----------
Ramírez, C., Otón, E., Iemmi, C., Moreno, I., Bennis, N., Otón, J.M., et al. "Point diffraction interferometer with a liquid crystal monopixel" . Optics Express, vol. 21, no. 7, 2013, pp. 8116-8125.http://dx.doi.org/10.1364/OE.21.008116
---------- VANCOUVER ----------
Ramírez, C., Otón, E., Iemmi, C., Moreno, I., Bennis, N., Otón, J.M., et al. Point diffraction interferometer with a liquid crystal monopixel. Opt. Express. 2013;21(7):8116-8125.http://dx.doi.org/10.1364/OE.21.008116
