Spatial Aberrations in High-Order Harmonic Generation

Marius Plach; Federico Vismarra; Elisa Appi; Vénus Poulain; Jasper Peschel; Peter Smorenburg; David P. O’Dwyer; Stephen Edward; Yin Tao; Rocío Borrego-Varillas; Mauro Nisoli; Cord L. Arnold; Anne L’Huillier; Per Eng-Johnsson

doi:10.34133/ultrafastscience.0054

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Spatial Aberrations in High-Order Harmonic Generation

Research | Updated：2024-10-22

- Spatial Aberrations in High-Order Harmonic Generation
- Ultrafast Science Vol. 4, Issue 1, (2024)
- Affiliations：
  
  a Department of Physics, Lund University, P.O. Box 118, 22100 Lund, Sweden. b Department of Physics,Politecnico di Milano, 20133 Milano, Italy. c Institute for Photonics and Nanotechnologies, IFN-CNR, 20133Milano, Italy. d ASML Research, ASML Netherlands B.V., 5504 DR, Veldhoven,Netherlands
- Author bio：
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- DOI：10.34133/ultrafastscience.0054
  CLC：
- Published：2024，
- Accepted：
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Marius Plach, Federico Vismarra, Elisa Appi, Vénus Poulain, Jasper Peschel, Peter Smorenburg, David P. O’Dwyer, Stephen Edward, Yin Tao, Rocío Borrego-Varillas, Mauro Nisoli, Cord L. Arnold, Anne L’Huillier, Per Eng-Johnsson. 2024: Spatial Aberrations in High-Order Harmonic Generation. 超快科学, Vol 4(1).

Marius Plach, Federico Vismarra, Elisa Appi, Vénus Poulain, Jasper Peschel, Peter Smorenburg, David P. O’Dwyer, Stephen Edward, Yin Tao, Rocío Borrego-Varillas, Mauro Nisoli, Cord L. Arnold, Anne L’Huillier, Per Eng-Johnsson. 2024: Spatial Aberrations in High-Order Harmonic Generation. Ultrafast Science, Vol 4(1).
Marius Plach, Federico Vismarra, Elisa Appi, Vénus Poulain, Jasper Peschel, Peter Smorenburg, David P. O’Dwyer, Stephen Edward, Yin Tao, Rocío Borrego-Varillas, Mauro Nisoli, Cord L. Arnold, Anne L’Huillier, Per Eng-Johnsson. 2024: Spatial Aberrations in High-Order Harmonic Generation. 超快科学, Vol 4(1). DOI： 10.34133/ultrafastscience.0054

Marius Plach, Federico Vismarra, Elisa Appi, Vénus Poulain, Jasper Peschel, Peter Smorenburg, David P. O’Dwyer, Stephen Edward, Yin Tao, Rocío Borrego-Varillas, Mauro Nisoli, Cord L. Arnold, Anne L’Huillier, Per Eng-Johnsson. 2024: Spatial Aberrations in High-Order Harmonic Generation. Ultrafast Science, Vol 4(1). DOI： 10.34133/ultrafastscience.0054

摘要

We investigate the spatial characteristics of high-order harmonic radiation generated in argon and observe cross-like patterns in the far field. An analytical model describing harmonics from an astigmatic driving beam reveals that these patterns result from the order and generation position-dependent divergence of harmonics. Even small amounts of driving field astigmatism may result in cross-like patterns

coming from the superposition of individual harmonics with spatial profiles elongated in different directions. By correcting the aberrations using a deformable mirror

we show that fine-tuning the driving wavefront is essential for optimal spatial quality of the harmonics.

Abstract

coming from the superposition of individual harmonics with spatial profiles elongated in different directions. By correcting the aberrations using a deformable mirror

we show that fine-tuning the driving wavefront is essential for optimal spatial quality of the harmonics.

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