Simultaneous polarization transformation and amplification of multi-petawatt laser pulses in magnetized plasmas

Xiaolong Zheng, Suming Weng, Zhe Zhang, Hanghang Ma, Min Chen, Paul McKenna, Zheng-Ming Sheng

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

With increasing laser peak power, the generation and manipulation of high-power laser pulses become a growing challenge for conventional solid-state optics due to their limited damage threshold. As a result, plasma-based optical components that can sustain extremely high fields are attracting increasing interest. Here, we propose a type of plasma waveplate based on magneto-optical birefringence under a transverse magnetic field, which can work under extremely high laser power. Importantly, this waveplate can simultaneously alter the polarization state and boost the peak laser power. It is demonstrated numerically that an initially linearly polarized laser pulse with 5 petawatt peak power can be converted into a circularly polarized pulse with a peak power higher than 10 petawatts by such a waveplate with a centimeter-scale diameter. The energy conversion efficiency of the polarization transformation is about 98%. The necessary waveplate thickness is shown to scale inversely with plasma electron density n e and the square of magnetic field B 0, and it is about 1 cm for n e = 3 × 10 20 cm −3 and B 0 = 100 T. The proposed plasma waveplate and other plasma-based optical components can play a critical role for the effective utilization of multi-petawatt laser systems.

LanguageEnglish
Pages19319-19330
Number of pages12
JournalOptics Express
Volume27
Issue number14
DOIs
Publication statusPublished - 26 Jun 2019

Fingerprint

polarization
pulses
lasers
high power lasers
energy conversion efficiency
yield point
acceleration (physics)
magnetic fields
birefringence
manipulators
optics
solid state

Keywords

  • polarization transformation
  • amplification
  • laser pulses
  • magnetized plasmas
  • solid-state optics
  • plasma devices

Cite this

Zheng, Xiaolong ; Weng, Suming ; Zhang, Zhe ; Ma, Hanghang ; Chen, Min ; McKenna, Paul ; Sheng, Zheng-Ming. / Simultaneous polarization transformation and amplification of multi-petawatt laser pulses in magnetized plasmas. In: Optics Express. 2019 ; Vol. 27, No. 14. pp. 19319-19330.
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Simultaneous polarization transformation and amplification of multi-petawatt laser pulses in magnetized plasmas. / Zheng, Xiaolong; Weng, Suming; Zhang, Zhe; Ma, Hanghang; Chen, Min; McKenna, Paul; Sheng, Zheng-Ming.

In: Optics Express, Vol. 27, No. 14, 26.06.2019, p. 19319-19330.

Research output: Contribution to journalArticle

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