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Spectral-Phase-Modulated Cross-Polarized Wave for Chirped Pulse Amplifier with High Contrast Ratio

  • Shuang Qin
  • , Zhao Hua Wang*
  • , Shuai Shuai Yang
  • , Zhong Wei Shen
  • , Quan Li Dong
  • , Zhi Yi Wei
  • *Corresponding author for this work
  • CAS - Institute of Physics
  • Ludong University

Research output: Contribution to journalArticlepeer-review

Abstract

We demonstrate a high-quality cross-polarized-wave filter based on spectral phase modulation. Driven by wellcompressed spectral-phase fully-compensated fundamental laser pulses, the filter stretches the pulse bandwidth from 35nm to 70nm with a conversion efficiency of 20%. After implementing the filter into a femtosecond TW Ti:sapphire laser system, we generate 40mJ output pulse energy with pulse duration of 18.9 fs. The temporal contrast of the compressed pulse is enhanced to 109.

Original languageEnglish
Article number024205
JournalChinese Physics Letters
Volume34
Issue number2
DOIs
StatePublished - Feb 2017
Externally publishedYes

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