0000000000628049
AUTHOR
J. Said
Lasing characteristics of a new DCM derivative under flashlamp pumping
Abstract A new DCM derivative (4-dicyanomethylene-2-methyl-6-p-diethanolamino-styryl 4H-pyran or DCM-OH), was tested under flashlamp pumping. This dye lased in the 600–700 nm range with efficiency up to 0.4% at maximum. Lasing performances of DCM-OH in methanol and water-methanol mixture are reported and compared to normal DCM.
Flashlamp-pumped Ti:Sapphire laser with different rods grown by Czochralski and Verneuil methods
The design and the development of a flashlamp-pumped Ti:Sapphire laser is described. Design criteria are discussed and performance improvements using different types of fluorescent UV converters or filters, such as organic dyes or doped glass are presented. We have tested different laser rods at various Ti-concentrations obtained by Verneuil or Czochralski growth techniques. The maximum laser output energy of 540 mJ with a differential efficiency up to 1% was achieved by using only a pyrex filter surrounding the laser rod.