High sampling rate single-pixel digital holography system employing a DMD and phase-encoded patterns
Abstract
A single-pixel digital holography system with phase-encoded illumination using a digital micromirror device (DMD) as a spatial light modulator (SLM) is presented. The enhanced switching rate of DMDs, far exceeding the stringent frame-rate of liquid crystal SLMs, allows recording and reconstruction of complex amplitude distributions in just a few seconds. A single amplitude binary modulation device is used for concurrently displaying the phase-encoded sampling patterns, compensating the distortion of the wavefront, and applying phase-shifting, by means of computer generated holograms. Our detection system consists of a simple photodiode that sequentially records the irradiance fluctuations corresponding to the interference between object and reference beams. The system recovers phase and amplitude information even when a diffuser is placed in front of the photodiode.
Cite
@article{arxiv.2402.03786,
title = {High sampling rate single-pixel digital holography system employing a DMD and phase-encoded patterns},
author = {Humberto González and Lluís Martínez-León and Fernando Soldevila and María Araiza-Esquivel and Jesús Lancis and Enrique Tajahuerce},
journal= {arXiv preprint arXiv:2402.03786},
year = {2024}
}
Comments
9 pages, 5 figures