Artículo
Abstract:
The performance of pupil filters consisting of two zones each of constant complex amplitude transmittance is investigated. For filters where the transmittance is real, different classes of potentially useful filter are identified and optimized. These include leaky filters with an inner zone of low amplitude transmittance, pure phase filters with phase change of π, and equal area filters. The first of these minimizes the relative power in the outer rings for a given axial resolution, the second maximizes the Strehl ratio for a given transverse resolution, and the third minimizes the relative power in the outer rings for a given transverse resolution. Complex filters can give an axially shifted maximum in intensity: the performance parameters calculated relative to the true focus are investigated for some different classes of filter, but filters with phase change not equal to π are found to give inferior performance to the real value filters. © 2007 Elsevier B.V. All rights reserved.
Registro:
| Documento: | Artículo |
| Título: | Two-zone pupil filters |
| Autor: | Sheppard, C.J.R.; Campos, J.; Escalera, J.C.; Ledesma, S. |
| Filiación: | Division of Bioengineering, National University of Singapore, 7 Engineering Drive 1, Singapore, 117574, Singapore Department of Diagnostic Radiology, National University Singapore 5 Lower Kent Ridge Rd., Singapore, 119074, Singapore Departamento de Física, Universidad Autónoma de Barcelona, 08193 Bellatera, Spain Departamento de Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, 1428 Buenos Aires, Argentina |
| Palabras clave: | 100.6640; 110.1220; 350.5730; Light transmission; Optimization; Parameter estimation; Performance parameters; Strehl ratio; Optical filters |
| Año: | 2008 |
| Volumen: | 281 |
| Número: | 5 |
| Página de inicio: | 913 |
| Página de fin: | 922 |
| DOI: | http://dx.doi.org/10.1016/j.optcom.2007.10.050 |
| Título revista: | Optics Communications |
| Título revista abreviado: | Opt Commun |
| ISSN: | 00304018 |
| CODEN: | OPCOB |
| Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00304018_v281_n5_p913_Sheppard |
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Citas:
---------- APA ----------
Sheppard, C.J.R., Campos, J., Escalera, J.C. & Ledesma, S. (2008) . Two-zone pupil filters. Optics Communications, 281(5), 913-922.http://dx.doi.org/10.1016/j.optcom.2007.10.050
---------- CHICAGO ----------
Sheppard, C.J.R., Campos, J., Escalera, J.C., Ledesma, S. "Two-zone pupil filters" . Optics Communications 281, no. 5 (2008) : 913-922.http://dx.doi.org/10.1016/j.optcom.2007.10.050
---------- MLA ----------
Sheppard, C.J.R., Campos, J., Escalera, J.C., Ledesma, S. "Two-zone pupil filters" . Optics Communications, vol. 281, no. 5, 2008, pp. 913-922.http://dx.doi.org/10.1016/j.optcom.2007.10.050
---------- VANCOUVER ----------
Sheppard, C.J.R., Campos, J., Escalera, J.C., Ledesma, S. Two-zone pupil filters. Opt Commun. 2008;281(5):913-922.http://dx.doi.org/10.1016/j.optcom.2007.10.050
