Military University of Technology Institute of Optoelectronics. Advanced Solid-State Lasers (27 Oct – 1 Nov 2013 – Paris, France) ATu3A.30. Paper no. Polycrysta l ine Cr 2+ : ZnSe Laser Pumped by Efficient Tm:YLF Oscillator
Institute of Optoelectronics
Advanced Solid-State Lasers (27 Oct – 1 Nov 2013 – Paris, France) ATu3A.30
Polycrystaline Cr2+:ZnSe Laser Pumped by Efficient Tm:YLF Oscillator
L. Gorajek, J. Jabczynski, M. Kaskow
Institute of Optoelectronics, MilitaryUniversity of Technology ,Warsaw, Poland
Efficient high peak power Tm:YLF laser emitting 5.5-mJ pulses of duration about 11ns was presented. Slope efficiency was about 50% according to incident pump power. 3mJ of output energy for Cr:ZnSe laser was achieved.
Tm:YLF3.5% 3x10 mm
Lrez = 120 mm
Outputcoupler: T = 30% Rcurv = 200 mm
Cr:ZnSepolycrystal2.64 x 6.50 x 7.98 mm
NCr = 2.7 x 1018 cm-3
Lrez = 75 mm
Outputcoupler: T = 3%
Dichroic mirror Rcurv = 200 mm
Microscopicimage of Cr:ZnSepolycrystal.
Outputpowervs. Pump power for free-runningTm:YLF laser.
Output spectrum of Tm:YLF laser.
Output energy vs. pump energy for free-runningCr:ZnSe laser.
Output energy vs. Pump energy for Tm:YLF laser inpulsedregime.
Generation spectrum of Cr:ZnSe laser infree-runningregime.
Half-megawattpulse of Tm:YLF laser (energy: 5.5 mJ).
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