12 December 2001 Efficient high-order harmonic generation using a long gas jet
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Efficient harmonic generation was achieved using a long argon gas jet pumped by intense 28 fs laser pulses. By balancing diffraction and plasma defocusing with nonlinear self-focusing, we could achieve a new optimum condition for efficient high-order harmonic generation. Under condition of a self-guided laser pulse, generated high-order harmonic signal was strong enough to saturate an x-ray CCD in one laser shot of a few mJ.
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ChangHee Nam, DongGun Lee, HyungTaek Kim, KyungHan Hong, Il Woo Choi, Jung-Hoon Kim, "Efficient high-order harmonic generation using a long gas jet", Proc. SPIE 4505, Soft X-Ray Lasers and Applications IV, (12 December 2001); doi: 10.1117/12.450589; https://doi.org/10.1117/12.450589


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