M Bielak, R Stárek, V Krčmarský, M Mičuda… - Optics Express, 2021 - opg.optica.org
Generation of particular polarization states of light, encoding information in polarization degree of freedom, and efficient measurement of unknown polarization are the key tasks in …
C Zhang, R Niu, P Sha, X Li, H Ma, Y Sun - Optics Express, 2021 - opg.optica.org
The angle-sensitivity is a serious defect of birefringent waveplate, and it draws lots of interest from researchers. In this paper, an angle-insensitive waveplate with inner helix structure is …
A direct quantitative phase measurement method to characterize intrinsic phase modulation from an entire active area of transmissive twisted-nematic liquid-crystal spatial light …
A Martínez, N Beaudoin, I Moreno… - Journal of Optics A …, 2006 - iopscience.iop.org
In this work we present a simple method for the characterization of a ferroelectric liquid crystal (FLC) optical modulator and the optimization of its contrast ratio. This device acts as …
JA Davis, L Ramirez, JAR Martín-Romo, T Alieva… - Optics letters, 2004 - opg.optica.org
We report the first experimental results, to our knowledge, with fractal zone plates implemented in a liquid-crystal display. Our results largely agree with theory for the axial …
JA Davis, TI Hall, I Moreno, JP Sorger, DM Cottrell - Applied Sciences, 2018 - mdpi.com
Featured Application This proof-of-concept work might find applications as programmable zoom systems for imaging systems or holographic projection systems, when applied with …
I Moreno, N Bennis, JA Davis, C Ferreira - Optics communications, 1998 - Elsevier
In this work we present a method for the determination of the twist angle of an arbitrary twisted nematic liquid crystal spatial light modulator. The method is based on the location of …