Laser action from Mn5+ in Ba3(VO4)2
- 16 November 1992
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 61 (20), 2386-2388
- https://doi.org/10.1063/1.108172
Abstract
We report the first observation, to our knowledge, of three‐level laser oscillator operation in a crystal activated with Mn5+. The material is Mn:Ba3(VO4)2 which exhibited laser oscillation at room temperature under pulsed 592 nm excitation. The laser emission occurs at 1181 nm with a threshold of 0.3 J/cm2. Spectroscopy indicates that this material operates as a three‐level system on the 1E to 3A2 transition of the Mn5+ ion with tetrahedral coordination. The strong, broad absorption bands and 0.43 ms room‐temperature lifetime make this system very promising for flash lamp AlxGa1−xAs diode pumping.Keywords
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