Amplitude apodizers encoded onto Fresnel lenses implemented on a phase-only spatial light modulator

We show that both a lens and a nonuniform amplitude transmission filter can be encoded simultaneously onto a twisted nematic liquid-crystal spatial light modulator (SLM) working in the phase-only mode. The inherent equivalent apodization that is due to the pixelated structure of the SLM is compensat...

Descripción completa

Guardado en:
Detalles Bibliográficos
Autores principales: Márquez, A., Iemmi, C., Escalera, J.C., Campos, J., Ledesma, S., Davis, J.A., Yzuel, M.J.
Formato: JOUR
Materias:
Light modulators
Liquid crystals
Optical filters
Signal encoding
Amplitude apodizers
Lenses
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_1559128X_v40_n14_p2316_Marquez
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
Descripción
Sumario:We show that both a lens and a nonuniform amplitude transmission filter can be encoded simultaneously onto a twisted nematic liquid-crystal spatial light modulator (SLM) working in the phase-only mode. The inherent equivalent apodization that is due to the pixelated structure of the SLM is compensated for. In addition, different types of nonuniform transmission pupil such as transverse apodizing, transverse hyperresolving, and axial hyperresolving (multifocusing) filters are implemented. The excellent agreement between numerical and experimental results shows the capability of this method to encode amplitude apodizers on a phase-only SLM. © 2001 Optical Society of America.

Ejemplares similares