6533b824fe1ef96bd128138f
RESEARCH PRODUCT
50 mJ/30 ns FTIR Q-switched diode-pumped Er:Yb:glass 1.54 μm laser
Boris I. DenkerEfstratios GeorgiouSergei E. SverchkovJ.p. BoquillonO. Mussetsubject
Materials sciencebusiness.industryFar-infrared laserPulse durationLaserQ-switchingAtomic and Molecular Physics and OpticsElectronic Optical and Magnetic MaterialsPhosphate glasslaw.inventionOptical pumpingOpticslawShutterElectrical and Electronic EngineeringPhysical and Theoretical ChemistrybusinessDiodedescription
Abstract 50 mJ Q-switched output at 30 ns pulse duration was demonstrated with a transversely diode-pumped bulk Er 3+ :Yb 3+ :glass 1.54 μm laser system of uncomplicated and compact design, using a piezoelectrically driven FTIR shutter. In long-pulse operation, 360 mJ output was obtained for 2.65 J incident optical pump energy. Maximum optical slope efficiencies of 20.5% and 5.4% were measured in long-pulse and Q-switched operation, respectively. Optimum Q-switch timing was studied taking into account the Yb 3+ →Er 3+ energy transfer process and was correlated with free-running delay parameters.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2001-10-01 | Optics Communications |