Machado-Olivares, Federico Jose; Ferrando Martín, Vicente; Gimenez Palomares, Fernando; Furlan, Walter D.; Monsoriu Serra, Juan Antonio(The Optical Society, 2018)
[EN] A radial Walsh filter is a phase binary diffractive optical element characterized by a set of concentric rings that take the phase values 0 or ¿, corresponding to the values + 1 or ¿1 of a given radial Walsh function. ...