By: R. Lahoz, L. A. Angurel, M. T. Flores-Arias, G. F. de la Fuente Instituto de Ciencia de Materiales de Aragón, Unidad Asociada de Óptica y Microoptica GRIN Laser ablation backwriting has been recently reported useful to induce diverse functionalities in glass. In particular, it has been used to obtain planar waveguides and diffraction gratings which should […]