Cross sections and quantum yields of the 3 {mu}m emission for Er{sup 3+} and Ho{sup 3+} dopants in crystals
- Lawrence Livermore National Laboratory, University of California, P.O. Box 5508, Livermore, California 94550 (United States)
We have measured the lifetimes of the 2.8 {mu}m emission band for Er{sup 3+}- and Ho{sup 3+}-doped fluorides including LiYF{sub 4}, BaY{sub 2}F{sub 8}, LaF{sub 3}, and KY{sub 3}F{sub 10}, and for numerous oxides such as Y{sub 3}Al{sub 5}O{sub 12}, YAlO{sub 3}, La{sub 2}Be{sub 2}O{sub 5}, and other crystals. Several quantum yields and branching ratios were experimentally evaluated as well, in order to determine the radiative lifetime of the upper laser level for the 2.8 {mu}m transition. This information was employed to assess the cross sections of the 2.8 {mu}m infrared emission band for several of these crystals, which involves the {sup 4}{ital I}{sub 11/2}{r_arrow}{sup 4}{ital I}{sub 13/2} transition for Er, and the {sup 5}{ital I}{sub 6}{r_arrow}{sup 5}{ital I}{sub 7} for Ho.
- Research Organization:
- Lawrence Livermore National Laboratory
- DOE Contract Number:
- W-7405-ENG-48
- OSTI ID:
- 29259
- Journal Information:
- Journal of Applied Physics, Journal Name: Journal of Applied Physics Journal Issue: 9 Vol. 77; ISSN JAPIAU; ISSN 0021-8979
- Country of Publication:
- United States
- Language:
- English
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