High-repetition-rate polymeric solid-state dye lasers pumped by a copper-vapor laser

Costela, A.; Garcı´a-Moreno, I.; Sastre, R.; Coutts, D. W.; Webb, C. E.
July 2001
Applied Physics Letters;7/23/2001, Vol. 79 Issue 4
Academic Journal
We report on the laser action of pyrromethene 567 incorporated into polymeric matrices and pumped longitudinally with the green line of a copper-vapor laser. When the dye was dissolved in a copolymer of methyl methacrylate and pentaerythritol triacrylate, 290 mW average power at 1 kHz (37% lasing efficiency) was obtained. The laser output decreased to 150 mW after 30 min irradiation time (1.8×10[sup 6] shots) and to 32 mW after 70 min of operation (4.2×10[sup 6] shots). Output power of up to 1 W at 6.2 kHz was obtained for short periods of time. Polymeric matrices incorporating rhodamine 6G were also studied. © 2001 American Institute of Physics.


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