Efficient and stable dye laser action from modified dipyrromethene BF2 complexes
- 16 July 2001
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 79 (3) , 305-307
- https://doi.org/10.1063/1.1385185
Abstract
We report on the lasing action of modified dipyrromethene BF2 complexes in air-equilibrated liquid solutions. All recent dyes share a common chromophore core and were dissolved in apolar, polar nonprotic, and polar protic solvents. When pumped transversely at 534 nm, nearly solvent-independent laser emission was obtained with efficiencies well over 40% in most cases. Highest lasing efficiency was 59%. Under continuous ultraviolet irradiation some of these dyes demonstrated improved photostability as compared with commercial dye pyrromethene 567.Keywords
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