2024
DOI: 10.1364/ao.537522
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Calibration of liquid crystal spatial light modulators by using the double-phase method

Luis Ordóñez,
Erick Ipus,
Omel Mendoza-Yero

Abstract: In this manuscript, two diffraction-based methods for calibrating liquid crystal spatial light modulators are demonstrated theoretically and experimentally. They rely on the coherent interference of two uniform waves whose complex functions are encoded in a single-phase diffractive optical element by using the double-phase method. The interference pattern, recorded in the output plane of a spatially filtered 4f optical imaging system, allows calibration curves to be determined by post-processing. With these me… Show more

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