Color Center Lasers For The 0.8 - 2.0 Âµm Range

K. P. Koch; W. Gellermann; G. Liftin; F. Luty

doi:10.1117/12.958979

15 May 1981 Color Center Lasers For The 0.8 - 2.0 μm Range

K. P. Koch, W. Gellermann, G. Liftin, F. Luty

Proceedings Volume 0236, 1980 European Conf on Optical Systems and Applications; (1981) https://doi.org/10.1117/12.958979
Event: 1980 European Conference on Optical Systems and Applications, 1980, Utrecht, Netherlands

Abstract

Doping of alkali halide crystals with large amounts (10^-3 to 10^-2) of OH^- and SH- defects can be used to drastically increase the production and stabilization of laseractive ionized F-aggregate centers like the F₂⁺ and (F⁺₂)_A-centers. Using this technique tuneable cw laser operation is achieved for the first time with F₂⁺ -centers in NaCl, KCl and KBr. Furthermore a short x-ray exposure reactivates centers thermally destroyed after RT storage. With F₂⁺ -center lasers now the spectral range between o.8 and 2.o μm can nearly be covered. Slope efficiencies up to 6o % and single mode output powers in the range of 1 W have been obtained.

Citation Download Citation

K. P. Koch, W. Gellermann, G. Liftin, and F. Luty "Color Center Lasers For The 0.8 - 2.0 μm Range", Proc. SPIE 0236, 1980 European Conf on Optical Systems and Applications, (15 May 1981); https://doi.org/10.1117/12.958979

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