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Cr2+:ZnSe laser pumped by 1.66 µm or 1.97 µm radiations

✍ Scribed by H. Jelínková; P. Koranda; M. E. Doroshenko; T. T. Basiev; J. Šulc; M. Němec; P. Černý; V. K. Komar; M. B. Kosmyna

Publisher
John Wiley and Sons
Year
2007
Tongue
English
Weight
307 KB
Volume
4
Category
Article
ISSN
1612-2011

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✦ Synopsis

Cr:ZnSe crystal newly grown by Bridgman method was
investigated as an active material for laser coherently pumped
either by flashlamp-pumped Er:YAP (wavelength 1.66 μm) or by
diode pumped Tm:YAP (wavelength 1.97 μm) laser radiations. The
maximal Cr:ZnSe laser output pulse energy, for the case of
flashlamp Er:YAP laser pumping, was 14 mJ (slope efficiency 66%)
with the length of pulse 120 μs. The generated laser
radiation was tunable from 2.15 μm to 2.60 μm with only
2.5 times drop in laser energy. In the case of diode-pumped Tm:YAP
laser pumping the maximal obtained Cr:ZnSe laser output power in
cw regime was 195 mW for the absorbed pump power 300 mW (slope
efficiency 66%). The generated laser radiation was tunable from
2.12 μm up to 2.38 μm.

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