Figure 6
From: IR GRIN lenses prepared by ionic exchange in chalcohalide glasses

Glass index as a function of the rate of potassium ions in the (72 GeSe2–28 Ga2Se3)75 (KIx–NaI1−x)25 glass composition with x = 0, 0.25, 0.5, 0.75 and 1.
From: IR GRIN lenses prepared by ionic exchange in chalcohalide glasses
Glass index as a function of the rate of potassium ions in the (72 GeSe2–28 Ga2Se3)75 (KIx–NaI1−x)25 glass composition with x = 0, 0.25, 0.5, 0.75 and 1.