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Abstract:

In many optical systems a specific axial behaviour is needed. It is very common to search for high focal depth and an almost constant distribution along the axial coordinate. An additional condition to be required could be symmetrical axial response. The transverse response in the best image plane is also of great importance, for instance to produce superresolution. Moreover, the invariance of the transverse response in defocused planes could be a requirement for an optical system. In this paper, we study the transverse response at defocused planes produced by complex filters with high focal depth. In order to analyze the transverse responses we extend the transverse gain factor for defocused planes. Here, we derive several conditions that complex filters may satisfy to produce symmetrical axial response. Numerical examples of transverse responses for some filters that produce high depth of focus are shown. © 2005 Elsevier B.V. All rights reserved.

Registro:

Documento: Artículo
Título:Evolution of the transverse response of an optical system with complex filters
Autor:Ledesma, S.; Escalera, J.C.; Campos, J.; Yzuel, M.J.
Filiación:Departamento de Física, Fac. de Ciencias Exactas y Naturales, Universidad de Buenos Aires, 1428 Buenos Aires, Argentina
Departamento de Física, Univ. Autónoma de Barcelona, 08193 Bellaterra, Spain
Palabras clave:Apodization; Depth of focus; Phase modulation; Resolution; Electromagnetic fields; Frequency response; Gain control; Mathematical transformations; Optical filters; Phase modulation; Apodization; Depth of focus; Resolution; Transverse response; Optical systems
Año:2005
Volumen:249
Número:1-3
Página de inicio:183
Página de fin:192
DOI: http://dx.doi.org/10.1016/j.optcom.2005.01.019
Título revista:Optics Communications
Título revista abreviado:Opt Commun
ISSN:00304018
CODEN:OPCOB
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00304018_v249_n1-3_p183_Ledesma

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Citas:

---------- APA ----------
Ledesma, S., Escalera, J.C., Campos, J. & Yzuel, M.J. (2005) . Evolution of the transverse response of an optical system with complex filters. Optics Communications, 249(1-3), 183-192.
http://dx.doi.org/10.1016/j.optcom.2005.01.019
---------- CHICAGO ----------
Ledesma, S., Escalera, J.C., Campos, J., Yzuel, M.J. "Evolution of the transverse response of an optical system with complex filters" . Optics Communications 249, no. 1-3 (2005) : 183-192.
http://dx.doi.org/10.1016/j.optcom.2005.01.019
---------- MLA ----------
Ledesma, S., Escalera, J.C., Campos, J., Yzuel, M.J. "Evolution of the transverse response of an optical system with complex filters" . Optics Communications, vol. 249, no. 1-3, 2005, pp. 183-192.
http://dx.doi.org/10.1016/j.optcom.2005.01.019
---------- VANCOUVER ----------
Ledesma, S., Escalera, J.C., Campos, J., Yzuel, M.J. Evolution of the transverse response of an optical system with complex filters. Opt Commun. 2005;249(1-3):183-192.
http://dx.doi.org/10.1016/j.optcom.2005.01.019