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Generation of the wavelength-tunable XUV pulse using the two-color and three-color infrared pulses |
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| Abstract: | We present an efficient method to generate an ultrashort wavelength-tunable XUV pulse by using the harmonic selective enhancement scheme. The results show that by properly controlling the delay times of a two-color field or a three-color field, selective enhancement of the harmonics with photon energies between 80 eV and 315 eV can be obtained. Further, a wavelength-tunable and bandwidth-controllable XUV radiation can be obtained by Fourier transformation of these enhanced harmonics. |
| Keywords: | high-order harmonic generation XUV pulse harmonic selective enhancement |
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