UNE-EN ISO 14881:2021 Integrated optics - Interfaces - Parameters relevant to coupling properties (ISO 14881:2021) (Endorsed by Asociación Española de Normalización in December of 2021.)
2021UNE-EN ISO 14881:2021 Integrated optics - Interfaces - Parameters relevant to coupling properties (ISO 14881:2021) (Endorsed by Asociación Española de Normalización in December of 2021.)
2007UNE-EN ISO 14881:2007 Integrated optics - Interfaces - Parameters relevant to coupling properties (ISO 14881:2001)