Encoding multiplexed Fresnel lenses in low-resolution devices

Eduard Carcole; Juan Carlos Campos Rubio; Maria Sagrario Millan Garcia-Verela

doi:10.1117/12.246725

23 August 1996 Encoding multiplexed Fresnel lenses in low-resolution devices

Eduard Carcole, Juan Carlos Campos Rubio, Maria Sagrario Millan Garcia-Verela

Proceedings Volume 2774, Design and Engineering of Optical Systems; (1996) https://doi.org/10.1117/12.246725
Event: Optical Instrumentation and Systems Design, 1996, Glasgow, United Kingdom

Abstract

In this communication, we calculate the reconstruction of a phase-only hologram corresponding to the linear combination of two phase functions. We multiplex two phase functions in a phase-only device and we study the performance of this hologram theoretically and experimentally. As a particular case, two Fresnel lenses are multiplexed and the performance characteristics are derived. We then study the effects of encoding the phase-only multiplexed hologram in a low resolution device. We show that the low resolution effects on the hologram performance are not negligible and the point spread function and the diffraction efficiency shows a strong dependence with the location and focal length. We study how to take these effects into account in order to obtain the desired performance.

Citation Download Citation

Eduard Carcole, Juan Carlos Campos Rubio, and Maria Sagrario Millan Garcia-Verela "Encoding multiplexed Fresnel lenses in low-resolution devices", Proc. SPIE 2774, Design and Engineering of Optical Systems, (23 August 1996); https://doi.org/10.1117/12.246725

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