Abstract
Buried planar optical waveguides made by a purely thermal backdiffusion K+−Na+ ion-exchange process have been demonstrated, for the fïrst time to our knowledge, on soda-lime glass substrates. The potassium-ion concentration profile is determined using a scanning electron microscope technique, which is then correlated to the numerical simulation of the ion-exchange fabrication process.
© 1990 Optical Society of America
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