Interaction of laser radiation with matter. Laser plasma
Use of extended laser plasma for generation of high-order harmonics of picosecond duration
R. A. Ganeevab*, G. S. Boltaeva, Sh. Reyimbaeva, Kh. Sherniyozova, T. Usmanova
a Institute of Ion-Plasma and Laser Technologies, Uzbekistan Academy of Sciences, Tashkent
b Ophthalmology and Advanced Laser Medical Center, Saitama Medical University
We report the results of experimental investigations on the generation of picosecond radiation harmonics in extended laser plasma produced on the surface of different metal targets. The effect of plasma length, heating pulse duration and delay between the heating and transformable pulses on the efficiency of conversion to higher harmonics is studied. The λ = 1064 nm radiation conversion to a short-wavelength (down to 50 nm, 21st harmonic) range in extended plasma of several metals is demonstrated.
high-order harmonic generation, laser-produced plasma, picosecond laser radiation.
* Author to whom correspondence should be addressed
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Quantum Electronics, 2015, 45:7, 648–653
R. A. Ganeev, G. S. Boltaev, Sh. Reyimbaev, Kh. Sherniyozov, T. Usmanov, “Use of extended laser plasma for generation of high-order harmonics of picosecond duration”, Kvantovaya Elektronika, 45:7 (2015), 648–653 [Quantum Electron., 45:7 (2015), 648–653]
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