Observation of fluorescence line narrowing, hole burning, and ion-ion energy transfer in neodymium laser glass
- 1 July 1979
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 35 (1), 31-33
- https://doi.org/10.1063/1.90911
Abstract
The existence of hole burning and the degree of homogeneity in the 4F3/2→4I11/2 laser transition of Nd3+ in a silicate glass at 295 K are established by exciting the small thermal population in the 4I11/2 state with a pulsed Nd : YAG laser and observing resonant fluorescence line narrowing. Measurements of time‐resolved line‐narrowed 4F3/2→4I9/2 spectra show that hole filling is slow; cross relaxation rates between ions in spectrally different sites are 4 s−1 for concentrations of ⩽3 wt.% Nd2O3.Keywords
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