Adjective
That produces diffraction.
Source: Webster's dictionaryAn alternative to achromatic doublets is the use of diffractive optical elements. Source: Internet
The aperiodic structures obtained by the cut-and-project method are made diffractive by choosing a suitable orientation for the construction; this is a geometric approach that has also a great appeal for physicists. Source: Internet
These are the same methods that produce aperiodic tilings with the additional constraint for the diffractive property. Source: Internet