Figure 3
From: IR GRIN lenses prepared by ionic exchange in chalcohalide glasses
Potassium concentration profile in the (72 GeSe2–28 Ga2Se3)75 (NaI)25 glass after immersion in the 60 KNO3 / 40 NaNO3 bath for 1 h to 63 days.
Figure 3 | Scientific Reports
