O'Neil M P
Opt Lett. 1993 Jan 1;18(1):37-8. doi: 10.1364/ol.18.000037.
An uncommon pyrromethene laser dye is characterized for ultrafast pulse generation under synchronous pumping and is found to be exceptionally efficient, producing nearly 1 W of output power at 565 nm when pumped with 2 W at 532 nm.