Instead of RMS surface roughness, a better predictor for estimating waveguide outcoupling, or scattering loss, due to surface texturing or random surface roughness is RMS slope. Supporting simulations are shown for periodic and random surfaces.
© 2017 Optical Society of America
You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.
Contact your librarian or system administrator
Login to access OSA Member Subscription