Quiroga Mellado, Juan AntonioMartínez Antón, Juan CarlosCanabal Boutureira, Héctor AlfonsoBernabéu Martínez, EusebioÁlvaro Labajo, M.Cortés Testillano, V.2023-06-202023-06-20©2001 Opti2001-06-011094-408710.1364/OE.8.000649https://hdl.handle.net/20.500.14352/58786We have extended the use of shadow Moiré technique to be implemented in simple curved surfaces by using a flexible grating. Dynamic visual inspection of surface micro-damages is significantly favored by the use of well adapted pliable gratings compared to the use of flat reference gratings. The experimental set-up consists of a plastic foil with a printed Ronchi grating stretched between three points which adapts to any cylindrical or conical convex surface independently of the relative orientation grating/surface. Static quantification of defects profiles is also possible with an attached CCD camera. Visual detection of defects in the range of ~30 μm in depth is obtainable.engEnhancement of surface inspection by Moiré interferometry using flexible reference gratingsjournal articlehttp://dx.doi.org/10.1364/OE.8.000649http://www.opticsinfobase.orgopen access535Shadow MoiréTopographyÓptica (Física)2209.19 Óptica Física