Figure 4
From: 2.7 μm emission of high thermally and chemically durable glasses based on AlF3

The 2.7 emission spectra of present glasses under 980 nm diode laser excitation.
From: 2.7 μm emission of high thermally and chemically durable glasses based on AlF3

The 2.7 emission spectra of present glasses under 980 nm diode laser excitation.