2020UNE-EN ISO 15902:2020 Optics and photonics - Diffractive optics - Vocabulary (ISO 15902:2019) (Endorsed by Asociación Española de Normalización in February of 2020.)
2007UNE-EN ISO 15902:2007 Optics and photonics - Diffractive optics - Vocabulary (ISO 15902:2004)