Figure 5
From: 2.7 μm emission of high thermally and chemically durable glasses based on AlF3

Gain coefficients with the various P values ranging from 0 to 1 for 4I11/2—4I13/2 transition of the 1 mol% Er3+-doped AYF2 glass.
From: 2.7 μm emission of high thermally and chemically durable glasses based on AlF3

Gain coefficients with the various P values ranging from 0 to 1 for 4I11/2—4I13/2 transition of the 1 mol% Er3+-doped AYF2 glass.