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Iemmi, C.; Campos, J.; Escalera, J.C.; López-Coronado, O.; Gimeno, R.; Yzuel, M.J. "Depth of focus increase by multiplexing programmable diffractive lenses" (2006) Optics Express. 14(22):10207-10219
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Abstract:

A combination of several diffractive lenses written onto a single programmable liquid crystal display (LCD) is proposed for increasing the Depth of Focus (DOF) of the imaging system as a whole. The lenses are spatially multiplexed in a random scheme onto the LCD. The axial irradiance distribution produced by each lens overlaps with the next one producing an extended focal depth. To compare the image quality of the multiplexed lenses, the Modulation Transfer Function (MTF) is calculated. Finally we obtain the experimental Point Spread Functions (PSF) for these multiplexed lenses and experimental results in which an extended object is illuminated under spatially incoherent monochromatic light. We compare the images obtained in the focal plane and in some defocused planes with the single lens and with three multiplexed lenses. The experimental results confirm that the multiplexed lenses produce a high increase in the depth of focus. © 2006 Optical Society of America.

Registro:

Documento: Artículo
Título:Depth of focus increase by multiplexing programmable diffractive lenses
Autor:Iemmi, C.; Campos, J.; Escalera, J.C.; López-Coronado, O.; Gimeno, R.; Yzuel, M.J.
Filiación:Departamento de Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, 1428 Buenos Aires, Argentina
Departamento de Física, Universidad Autónoma de Barcelona, 08193 Bellaterra, Spain
Palabras clave:Focusing; Image quality; Liquid crystal displays; Monochromators; Multiplexing; Optical transfer function; Incoherent monochromatic light; Irradiance distribution; Programmable diffractive lenses; Programmable liquid crystal display; Lenses
Año:2006
Volumen:14
Número:22
Página de inicio:10207
Página de fin:10219
DOI: http://dx.doi.org/10.1364/OE.14.010207
Título revista:Optics Express
Título revista abreviado:Opt. Express
ISSN:10944087
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_10944087_v14_n22_p10207_Iemmi

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Citas:

---------- APA ----------
Iemmi, C., Campos, J., Escalera, J.C., López-Coronado, O., Gimeno, R. & Yzuel, M.J. (2006) . Depth of focus increase by multiplexing programmable diffractive lenses. Optics Express, 14(22), 10207-10219.
http://dx.doi.org/10.1364/OE.14.010207
---------- CHICAGO ----------
Iemmi, C., Campos, J., Escalera, J.C., López-Coronado, O., Gimeno, R., Yzuel, M.J. "Depth of focus increase by multiplexing programmable diffractive lenses" . Optics Express 14, no. 22 (2006) : 10207-10219.
http://dx.doi.org/10.1364/OE.14.010207
---------- MLA ----------
Iemmi, C., Campos, J., Escalera, J.C., López-Coronado, O., Gimeno, R., Yzuel, M.J. "Depth of focus increase by multiplexing programmable diffractive lenses" . Optics Express, vol. 14, no. 22, 2006, pp. 10207-10219.
http://dx.doi.org/10.1364/OE.14.010207
---------- VANCOUVER ----------
Iemmi, C., Campos, J., Escalera, J.C., López-Coronado, O., Gimeno, R., Yzuel, M.J. Depth of focus increase by multiplexing programmable diffractive lenses. Opt. Express. 2006;14(22):10207-10219.
http://dx.doi.org/10.1364/OE.14.010207