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Campos, J.; Yzuel, M.J.; Márquez, A.; Escalera, J.C.; Davis, J.A.; Iemmi, C.; Ledesma, S. "Programmable amplitude apodizers in liquid crystal spatial light modulators" (2001) Proceedings of SPIE - The International Society for Optical Engineering. 4457:99-110
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Abstract:

We show the feasibility of two new programmable diffractive optical elements (DOE). On one hand, we demonstrate the realization of programmable apodizers. With the term apodizer we refer to non-uniform amplitude filters used to modify the point-spread function (PSF) of an optical system. On the other hand, we show the simultaneous realization of a Fresnel lens and an amplitude filter in a single DOE: The programmable amplitude apodized Fresnel (PAAFL). Two different modulation regimes are required to generate these DOEs: amplitude-only regime for the programmable apodizer and phase-only regime for the PAAFL. We show that a twisted-nematic liquid crystal spatial light modulator (TN-LCSLM) inserted between two wave plates and two polarizers is able to provide both modulation regimes. Different types of amplitude filters, such as axial hyperresolving, transverse apodizing and transverse hyperresolving have been implemented both as programmable apodizers and as PAAFLs. We provide experimental results for the performance of the two new DOEs. The agreement with the numerical results is excellent, thus demonstrating the feasibility of our proposal.

Registro:

Documento: Artículo
Título:Programmable amplitude apodizers in liquid crystal spatial light modulators
Autor:Campos, J.; Yzuel, M.J.; Márquez, A.; Escalera, J.C.; Davis, J.A.; Iemmi, C.; Ledesma, S.
Filiación:Deptartment Física, Ingenieria De Sist. Y teoria senal, Universidad De Alicante, Alicante, Spain
Deptartment Física, Universitat Autónoma De Barcelona, 08193 Bellaterra, Spain
Deptartment of Physics, San Diego State University, San Diego, United States
Fac. De Ciencias Experimentales Y Naturales, Universidad De Buenos Aires, San diego, Argentina
Palabras clave:Amplitude apodized Fresnel lens; Amplitude-only modulation; Diffractive optical elements; Fresnel lens; Inherent equivalent apodizing effect; Liquid crystal display; Phase-only modulation; Programmable apodizer; Spatial light modulator; Twisted nematic; Amplitude modulation; Light modulation; Light modulators; Liquid crystal displays; Nematic liquid crystals; Numerical methods; Optical systems; Optical transfer function; Phase modulation; Amplitude only modulation; Fresnel lens; Inherent equivalent apodizing effects; Phase only modulation; Programmable amplitude apodizers; Twisted nematic; Optical filters
Año:2001
Volumen:4457
Página de inicio:99
Página de fin:110
DOI: http://dx.doi.org/10.1117/12.447743
Título revista:Proceedings of SPIE - The International Society for Optical Engineering
Título revista abreviado:Proc SPIE Int Soc Opt Eng
ISSN:0277786X
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0277786X_v4457_n_p99_Campos

Referencias:

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Citas:

---------- APA ----------
Campos, J., Yzuel, M.J., Márquez, A., Escalera, J.C., Davis, J.A., Iemmi, C. & Ledesma, S. (2001) . Programmable amplitude apodizers in liquid crystal spatial light modulators. Proceedings of SPIE - The International Society for Optical Engineering, 4457, 99-110.
http://dx.doi.org/10.1117/12.447743
---------- CHICAGO ----------
Campos, J., Yzuel, M.J., Márquez, A., Escalera, J.C., Davis, J.A., Iemmi, C., et al. "Programmable amplitude apodizers in liquid crystal spatial light modulators" . Proceedings of SPIE - The International Society for Optical Engineering 4457 (2001) : 99-110.
http://dx.doi.org/10.1117/12.447743
---------- MLA ----------
Campos, J., Yzuel, M.J., Márquez, A., Escalera, J.C., Davis, J.A., Iemmi, C., et al. "Programmable amplitude apodizers in liquid crystal spatial light modulators" . Proceedings of SPIE - The International Society for Optical Engineering, vol. 4457, 2001, pp. 99-110.
http://dx.doi.org/10.1117/12.447743
---------- VANCOUVER ----------
Campos, J., Yzuel, M.J., Márquez, A., Escalera, J.C., Davis, J.A., Iemmi, C., et al. Programmable amplitude apodizers in liquid crystal spatial light modulators. Proc SPIE Int Soc Opt Eng. 2001;4457:99-110.
http://dx.doi.org/10.1117/12.447743