Design and results of a dual-gas quasi-phase matching (QPM) foil target

Arvid Hage; Björn Landgraf; Michael Taylor; Martin Wünsche; Mark J. Prandolini; Mark Yeung; Hauke Höppner; Michael Schulz; Robert Riedel; Franz Tavella; Brendan Dromey; Matthew Zepf

doi:10.1117/12.2078981

27 February 2015 Design and results of a dual-gas quasi-phase matching (QPM) foil target

Arvid Hage, Björn Landgraf, Michael Taylor, Martin Wünsche, Mark J. Prandolini, Mark Yeung, Hauke Höppner, Michael Schulz, Robert Riedel, Franz Tavella, Brendan Dromey, Matthew Zepf

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Proceedings Volume 9347, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XIV; 93470U (2015) https://doi.org/10.1117/12.2078981
Event: SPIE LASE, 2015, San Francisco, California, United States

Abstract

Quasi-phase matching (QPM) can be used to increase the conversion efficiency of the high harmonic generation (HHG) process. We observed QPM with an improved dual-gas foil target with a 1 kHz, 10 mJ, 30 fs laser system. Phase tuning and enhancement were possible within a spectral range from 17 nm to 30 nm. Furthermore analytical calculations and numerical simulations were carried out to distinguish QPM from other effects, such as the influence of adjacent jets on each other or the laser gas interaction. The simulations were performed with a 3 dimensional code to investigate the phase matching of the short and long trajectories individually over a large spectral range.

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Arvid Hage, Björn Landgraf, Michael Taylor, Martin Wünsche, Mark J. Prandolini, Mark Yeung, Hauke Höppner, Michael Schulz, Robert Riedel, Franz Tavella, Brendan Dromey, and Matthew Zepf "Design and results of a dual-gas quasi-phase matching (QPM) foil target", Proc. SPIE 9347, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XIV, 93470U (27 February 2015); https://doi.org/10.1117/12.2078981

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