In this paper, we have investigated the conditions under which a linear constant periodicity grating fabricated on a planar waveguide could behave as a beam expander. The effect of the waveguide and the grating parameters on the beam expander efficiency is illustrated.
No takes yet. Share an insight, caveat, or question.
Walpita et al. (1984) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: