Measurement of excited-state-absorption loss for Ce3+ in Y3Al5O12 and implications for tunable 5 d →4 f rare-earth lasers
Broad bandwidth 5d→4f transitions in Ce3+ have been considered for tunable laser action. In this letter, optical probe measurements of excited Ce3+ ions in Y3Al5O12 show that stimulated emission in the 550–610-nm region is not possible at 295 K because of excited-state absorption. Transient measurem...
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Veröffentlicht in: | Applied physics letters 1978-09, Vol.33 (5), p.410-412 |
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creator | Jacobs, Ralph R. Krupke, William F. Weber, Marvin J. |
description | Broad bandwidth 5d→4f transitions in Ce3+ have been considered for tunable laser action. In this letter, optical probe measurements of excited Ce3+ ions in Y3Al5O12 show that stimulated emission in the 550–610-nm region is not possible at 295 K because of excited-state absorption. Transient measurements demonstrate that part of this loss has ≈75-ns lifetime and is associated with absorption from the lowest 5d level; a longer-lifetime loss is also observed. The excited-state-absorption loss is reduced at lower temperatures. |
doi_str_mv | 10.1063/1.90395 |
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In this letter, optical probe measurements of excited Ce3+ ions in Y3Al5O12 show that stimulated emission in the 550–610-nm region is not possible at 295 K because of excited-state absorption. Transient measurements demonstrate that part of this loss has ≈75-ns lifetime and is associated with absorption from the lowest 5d level; a longer-lifetime loss is also observed. The excited-state-absorption loss is reduced at lower temperatures.</abstract><doi>10.1063/1.90395</doi><tpages>3</tpages></addata></record> |
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title | Measurement of excited-state-absorption loss for Ce3+ in Y3Al5O12 and implications for tunable 5 d →4 f rare-earth lasers |
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