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Asymmetric polarization gating for spectral tuning and temporal confinement of high-order harmonics

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  • معلومة اضافية
    • Contributors:
      Institut Lumière Matière Villeurbanne (ILM); Université Claude Bernard Lyon 1 (UCBL); Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS); ELI Beamlines; Czech Technical University in Prague (CTU); Centre d'Etudes Lasers Intenses et Applications (CELIA); Université de Bordeaux (UB)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Centre National de la Recherche Scientifique (CNRS); iLM - Modélisation de la matière condensée et des interfaces (iLM - MMCI); Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL); iLM - Structure et dynamique multi-échelle des édifices moléculaires (iLM - DYNAMO)
    • بيانات النشر:
      CCSD
      American Physical Society
    • الموضوع:
      2025
    • Collection:
      HAL Lyon 1 (University Claude Bernard Lyon 1)
    • نبذة مختصرة :
      International audience ; We analyze high order harmonic generation using the asymmetric polarization gating obtained by the combination of two delayed counter-rotating pulses with different peak amplitudes. It allows for a better understanding of polarization gated XUV generation in general, increases the control of the harmonic temporal confinement, and can be used for tuning the central frequency of the harmonic comb and optimizing the HHG efficiency. Experimental results clearly confirm the gate control and the XUV tunability, in agreement with a model based on the Strong Field Approximation.
    • الرقم المعرف:
      10.1103/PhysRevA.111.023110
    • الدخول الالكتروني :
      https://hal.science/hal-04953390
      https://hal.science/hal-04953390v1/document
      https://hal.science/hal-04953390v1/file/Polarization_gating_article-1.pdf
      https://doi.org/10.1103/PhysRevA.111.023110
    • Rights:
      info:eu-repo/semantics/OpenAccess
    • الرقم المعرف:
      edsbas.DF6DBAEB