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Telecommunications and Radio Engineering

ISSN Print: 0040-2508
ISSN Online: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v69.i14.70
pages 1269-1276

INVESTIGATION OF TUNABLE TWO- CASCADE DYE LASERS

P.G. Dalchenko
Ukrainian Engineering and Pedagogical Academy 16, Universitetskaya St., Kharkiv
M. I. Dzyubenko
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine
F. S. Zamkovoy
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine
V. V. Shevchenko
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkov 61085

ABSTRACT

Numerical calculations on the formation of spectral-energy characteristics of the radiation from multipass amplifiers (MPA) of fleshlamp-pumped dye lasers are carried out. Analysis of experimental results has shown that at the MPA output, besides the amplified monochromatic radiation, one can observe a broadband radiation with the energy depending on the injected signal power. The calculated minimum level of the injected power providing the background radiation elimination within the limits of a sufficiently broad tuning band in the system (AX−17 nm) was of about 10 kW that coincides with the known experimental results.