14 February 2007 Nonlinear optics for high-order frequency conversion: applied attosecond science
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We show that it is possible to use of a train of counterpropagating light pulses to enhance the coherent upconversion of intense femtosecond lasers into the extreme ultraviolet (EUV) region of the spectrum. This all optical quasi-phase-matching uses interfering beams to scramble the quantum phase of the generated EUV light, suppressing the contribution of out-of-phase emission. Selective enhancement of up to 600X is observed at photon energies of ~70 eV using argon gas and ~ 150 eV using helium gas.
© (2007) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
X. Zhang, X. Zhang, A. L. Lytle, A. L. Lytle, D. Gaudiosi, D. Gaudiosi, T. Popmintchev, T. Popmintchev, H. C. Kapteyn, H. C. Kapteyn, M. M. Murnane, M. M. Murnane, O. Cohen, O. Cohen, } "Nonlinear optics for high-order frequency conversion: applied attosecond science", Proc. SPIE 6455, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications VI, 64550F (14 February 2007); doi: 10.1117/12.715068; https://doi.org/10.1117/12.715068


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