Experimental Analysis of Tunable Optical Spectral Imaging System Using a Grating in the Pupil Function. - F. Javier García-Díaz; Omar Palillero-Sandoval; J. Jesús Escobedo Alatorre; Miguel Ángel Basurto-Pensado; Pedro A. Márquez-Aguilar; Álvaro Zamudio Lara; Jonny Paul Zavala de Paz; José Antonio Marbán-Salgado (IEEE Access, 2022)