The measurement of complex modal coefficients of a superposed vortex beam based on intensity sampling methods
Maryam Mohagheghian,
Saeed Ghavami Sabouri
Abstract:In recent years, extracting information from superposed vortex beams has been a topic of intense study. In this paper, complex coefficients of various superpositions are measured in both simulation and experiment by proposing and implementing four different sampling methods. Superposed vortex beams are experimentally generated using a digital micromirror device, and recorded on a 2 f optical imaging setup. To extract both amplitude and phase values of modal coefficients, a single intensity frame of the beam is… Show more
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