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October 3, 2025Plasma Physics and Controlled Fusion

Narrowband THz radiation from laser wakefields driven in uniform plasma via tight laser focusing

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Authors

JHJia HuaLWLing WangYCYanping Chen

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Overview

Simulation results demonstrate THz radiation characteristics in plasma-based wakefields, suggesting applications in frequency tuning.

Key Points

  • Narrowband THz radiation is generated with a mechanism involving laser defocusing in plasma, enhancing tunability.
  • Simulation results indicate that THz energy scales with the fourth order of laser intensity, impacting applications.
  • This analysis involves laser wakefields driven in uniform plasma, with a focus on radial polarization effects.
  • The findings suggest that larger focal spots improve radiation directivity, while reducing overall power.

Cite This Study

Hua et al. (2025) studied this question.

synapsesocial.com/papers/68e034f7f0e39f13e7fa3102https://doi.org/10.1088/1361-6587/ae0eb1
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