Passive Q -switch at 1.53 μm using divalent uranium ions in calcium fluoride

Using a U2+:CaF2 passive Q-switch for the Er:glass laser, 20 ns, 3 mJ pulses were obtained. This is the shortest duration passive Q-switched pulse obtained for this laser without intracavity focusing and without optical damage. The measured U2+:CaF2 absorption cross section and relaxation lifetime a...

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Bibliographic Details
Published in:Journal of applied physics 1995-09, Vol.78 (5), p.2959-2961
Main Authors: Stultz, Robert D., Camargo, Marly B., Birnbaum, Milton
Format: Article
Language:English
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Summary:Using a U2+:CaF2 passive Q-switch for the Er:glass laser, 20 ns, 3 mJ pulses were obtained. This is the shortest duration passive Q-switched pulse obtained for this laser without intracavity focusing and without optical damage. The measured U2+:CaF2 absorption cross section and relaxation lifetime are compared with those of U2+:SrF2 and U2+:BaF2.
ISSN:0021-8979
1089-7550
DOI:10.1063/1.360042