Directional enhancement of selected high-order-harmonics from intense laser irradiated blazed grating targets

Guobo Zhang, Min Chen, Feng Liu, Xiaohui Yuan, Suming Weng, Jun Zheng, Yanyun Ma, Fuqiu Shao, Zhengming Sheng, Jie Zhang

Research output: Contribution to journalArticle

6 Citations (Scopus)
31 Downloads (Pure)

Abstract

Relativistically intense laser solid target interaction has been proved to be a promising way to generate high-order harmonics, which can be used to diagnose ultrafast phenomena. However, their emission direction and spectra still lack tunability. Based upon two-dimensional particle-in-cell simulations, we show that directional enhancement of selected high-order-harmonics can be realized using blazed grating targets. Such targets can select harmonics with frequencies being integer times of the grating frequency. Meanwhile, the radiation intensity and emission area of the harmonics are increased. The emission direction is controlled by tailoring the local blazed structure. Theoretical and electron dynamics analysis for harmonics generation, selection and directional enhancement from the interaction between multi-cycle laser and grating target are carried out. These studies will benefit the generation and application of laser plasma-based high order harmonics.

Original languageEnglish
Pages (from-to)23567-23578
Number of pages12
JournalOptics Express
Volume25
Issue number20
Early online date18 Sep 2017
DOIs
Publication statusPublished - 2 Oct 2017

Fingerprint

gratings
harmonics
augmentation
lasers
laser targets
laser plasmas
integers
radiant flux density
harmonic generations
interactions
cycles
radiation
cells
electrons
simulation

Keywords

  • high-order harmonics
  • particle-in-cell simulations
  • blazed grating targets

Cite this

Zhang, G., Chen, M., Liu, F., Yuan, X., Weng, S., Zheng, J., ... Zhang, J. (2017). Directional enhancement of selected high-order-harmonics from intense laser irradiated blazed grating targets. Optics Express, 25(20), 23567-23578. https://doi.org/10.1364/OE.25.023567
Zhang, Guobo ; Chen, Min ; Liu, Feng ; Yuan, Xiaohui ; Weng, Suming ; Zheng, Jun ; Ma, Yanyun ; Shao, Fuqiu ; Sheng, Zhengming ; Zhang, Jie. / Directional enhancement of selected high-order-harmonics from intense laser irradiated blazed grating targets. In: Optics Express. 2017 ; Vol. 25, No. 20. pp. 23567-23578.
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Zhang, G, Chen, M, Liu, F, Yuan, X, Weng, S, Zheng, J, Ma, Y, Shao, F, Sheng, Z & Zhang, J 2017, 'Directional enhancement of selected high-order-harmonics from intense laser irradiated blazed grating targets', Optics Express, vol. 25, no. 20, pp. 23567-23578. https://doi.org/10.1364/OE.25.023567

Directional enhancement of selected high-order-harmonics from intense laser irradiated blazed grating targets. / Zhang, Guobo; Chen, Min; Liu, Feng; Yuan, Xiaohui; Weng, Suming; Zheng, Jun; Ma, Yanyun; Shao, Fuqiu; Sheng, Zhengming; Zhang, Jie.

In: Optics Express, Vol. 25, No. 20, 02.10.2017, p. 23567-23578.

Research output: Contribution to journalArticle

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AU - Ma, Yanyun

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AU - Sheng, Zhengming

AU - Zhang, Jie

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