TY - JOUR AU - Torcal Milla, Francisco José AU - Sánchez Brea, Luis Miguel PY - 2019 DO - 10.1088/2040-8986/ab2bdf SN - 2040-8978 UR - https://hdl.handle.net/20.500.14352/13563 T2 - Journal of optics AB - We investigate the far field diffraction process produced by diffraction gratings with two roughness levels, such as steel tape gratings, which are used in environments where diffraction gratings made of glass are not possible. We obtain the... LA - eng PB - IOP Publishing, Ltd. KW - Diffraction KW - Diffraction gratings KW - Roughness KW - Far-field TI - Far field diffraction of gratings with two roughness levels TY - journal article VL - 21 ER -