Encoding complex fields by using a phase-only optical element: mitigation of pixel crosstalk effects

Autor:	Carbonell-Leal, Miguel, Mendoza-Yero, Omel
Rok vydání:	2019
Předmět:	Electrical Engineering and Systems Science - Image and Video Processing Physics - Optics
Druh dokumentu:	Working Paper
Popis:	In this letter we report on the effects of pixel crosstalk on the experimental realization of a reported encoding method (Opt. Lett. 39, 1740 (2014)) with PA-LCoS SLMs. We found that, under Nyquist limit condition, about 70% of a single pixel cell can generate unexpected phase modulation. In order to approach uniform phase modulation, and consequently improve the quality of measured amplitude and phase images, a generalized sampling scheme is proposed. To corroborate our proposal, proper experiments were carried out. On this point, a particular implementation of the well-established phase shifting technique allows us to measure the retrieved complex field by using just a single camera. Comment: 5 pages, 5 figures
Databáze:	arXiv
Externí odkaz:	http://arxiv.org/abs/1903.06046 Zobrazit plný text záznamu View this record from Arxiv