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.
Original language | English |
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Title of host publication | Proceedings of SPIE, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XIV |
Publisher | SPIE - The International Society for Optical Engineering |
Volume | 9347 |
ISBN (Print) | 9781628414370 |
DOIs | |
Publication status | Published - 2015 |
Event | Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XIV - San Francisco, United States Duration: 09 Feb 2015 → 12 Feb 2015 |
Conference
Conference | Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XIV |
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Country/Territory | United States |
City | San Francisco |
Period | 09/02/2015 → 12/02/2015 |
Keywords
- High Harmonic generation
- Quasi-phase matching
ASJC Scopus subject areas
- Atomic and Molecular Physics, and Optics
- Electronic, Optical and Magnetic Materials
- Biomaterials
- Radiology Nuclear Medicine and imaging