The establishment of EVISA is funded by the EU through
the Fifth Framework Programme (G7RT- CT- 2002- 05112).
Supporters of EVISA includes:
a) Tilt of an echellette with respect to the plane of a diffraction grating. b) Angle of incidence and diffraction at which the efficiency of a grating is maximum i.e. where light intensity diffracted/incident intensity is maximum.
The term "blaze angle" was found in the following pages: