2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/142072In this paper we demonstrate that the light diffracted by a simple compact disc can be used to generate photographic images of a certain kind. Being the compact disc an axicon that generates a diffraction-free beam, we show that the focusing position of an image depends of the wavelength of the diffracted light, what makes possible its use as a spectral filter.20 pages, 11 figuresPhysics EducationOpticstext