Generation of high-order harmonics using laser-produced rare-gas-like ions
Yasuhiro AkiyamaRIKEN, The Institute of Physical and Chemical Research, 2-1 Hirosawa, Wako-shi, Saitama 351-01, JapanKatsumi MidorikawaRIKEN, The Institute of Physical and Chemical Research, 2-1 Hirosawa, Wako-shi, Saitama 351-01, JapanYuuki MatsunawaRIKEN, The Institute of Physical and Chemical Research, 2-1 Hirosawa, Wako-shi, Saitama 351-01, JapanYutaka NagataRIKEN, The Institute of Physical and Chemical Research, 2-1 Hirosawa, Wako-shi, Saitama 351-01, JapanMinoru ObaraRIKEN, The Institute of Physical and Chemical Research, 2-1 Hirosawa, Wako-shi, Saitama 351-01, JapanHideo TashiroRIKEN, The Institute of Physical and Chemical Research, 2-1 Hirosawa, Wako-shi, Saitama 351-01, JapanK. ToyodaRIKEN, The Institute of Physical and Chemical Research, 2-1 Hirosawa, Wako-shi, Saitama 351-01, Japan
1992en
ABI
Annotatsiya
We report the first observation of high-order harmonic waves from rare-gas-like ions excited by a subpicosecond KrF excimer laser. At an intensity of ${10}^{15}$ W/${\mathrm{cm}}^{2}$, the highest orders of observed harmonics are the ninth (27.6 nm) in ${\mathrm{Li}}^{+}$, the eleventh (22.6 nm) in ${\mathrm{Na}}^{+}$, and the thirteenth (19.1 nm) in ${\mathrm{K}}^{+}$. The advantage of such ions as nonlinear media for extreme ultraviolet generation is discussed in relation to ionization potentials.
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