Figure 4
From: Near-infrared quantum cutting luminescence in Pr3+/Yb3+ doped lead bismuth borate glass

Gain cross-section near 2.0 \({\upmu }\)m emission of Pr\(^{3+}\).
From: Near-infrared quantum cutting luminescence in Pr3+/Yb3+ doped lead bismuth borate glass

Gain cross-section near 2.0 \({\upmu }\)m emission of Pr\(^{3+}\).