Effects of target pre-heating and expansion on terahertz radiation production from intense laser-solid interactions

Xiaohui Yuan, Y Fang, David Carroll, David MacLellan, F Du, Nicola Booth, Matthias Burza, Min Chen, Ross Gray, Y. F. Jin, Y. Li, Y. Liu, David Neely, Haydn Powell, Graeme Gordon Scott, Claes-Göran Wahlström, J. Zhang, Paul McKenna, Z. M. Sheng

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The first experimental measurements of intense (∼7×1019 W cm−2) laser-driven terahertz (THz) radiation from a solid target which is preheated by an intense pulse of laser-accelerated protons is reported. The total energy of the THz radiation is found to decrease by approximately a factor of 2 compared to a cold target reference. This is attributed to an increase in the scale length of the preformed plasma, driven by proton heating, at the front surface of the target, where the THz radiation is generated. The results show the importance of controlling the preplasma scale length for THz production.
LanguageEnglish
Article numbere5
Number of pages5
JournalHigh Power Laser Science and Engineering
Volume2
DOIs
Publication statusPublished - 31 Mar 2014

Fingerprint

Solid state lasers
Radiation
Heating
heating
expansion
Protons
radiation
lasers
protons
Lasers
interactions
Laser pulses
Plasmas
pulses
energy

Keywords

  • target heating
  • terahertz radiation
  • laser-driven terahertz radiation

Cite this

Yuan, Xiaohui ; Fang, Y ; Carroll, David ; MacLellan, David ; Du, F ; Booth, Nicola ; Burza, Matthias ; Chen, Min ; Gray, Ross ; Jin, Y. F. ; Li, Y. ; Liu, Y. ; Neely, David ; Powell, Haydn ; Scott, Graeme Gordon ; Wahlström, Claes-Göran ; Zhang, J. ; McKenna, Paul ; Sheng, Z. M. / Effects of target pre-heating and expansion on terahertz radiation production from intense laser-solid interactions. In: High Power Laser Science and Engineering. 2014 ; Vol. 2.
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title = "Effects of target pre-heating and expansion on terahertz radiation production from intense laser-solid interactions",
abstract = "The first experimental measurements of intense (∼7×1019 W cm−2) laser-driven terahertz (THz) radiation from a solid target which is preheated by an intense pulse of laser-accelerated protons is reported. The total energy of the THz radiation is found to decrease by approximately a factor of 2 compared to a cold target reference. This is attributed to an increase in the scale length of the preformed plasma, driven by proton heating, at the front surface of the target, where the THz radiation is generated. The results show the importance of controlling the preplasma scale length for THz production.",
keywords = "target heating, terahertz radiation, laser-driven terahertz radiation",
author = "Xiaohui Yuan and Y Fang and David Carroll and David MacLellan and F Du and Nicola Booth and Matthias Burza and Min Chen and Ross Gray and Jin, {Y. F.} and Y. Li and Y. Liu and David Neely and Haydn Powell and Scott, {Graeme Gordon} and Claes-G{\"o}ran Wahlstr{\"o}m and J. Zhang and Paul McKenna and Sheng, {Z. M.}",
year = "2014",
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Yuan, X, Fang, Y, Carroll, D, MacLellan, D, Du, F, Booth, N, Burza, M, Chen, M, Gray, R, Jin, YF, Li, Y, Liu, Y, Neely, D, Powell, H, Scott, GG, Wahlström, C-G, Zhang, J, McKenna, P & Sheng, ZM 2014, 'Effects of target pre-heating and expansion on terahertz radiation production from intense laser-solid interactions' High Power Laser Science and Engineering, vol. 2, e5. https://doi.org/10.1017/hpl.2014.7

Effects of target pre-heating and expansion on terahertz radiation production from intense laser-solid interactions. / Yuan, Xiaohui; Fang, Y; Carroll, David; MacLellan, David; Du, F; Booth, Nicola; Burza, Matthias; Chen, Min; Gray, Ross; Jin, Y. F. ; Li, Y.; Liu, Y.; Neely, David; Powell, Haydn; Scott, Graeme Gordon; Wahlström, Claes-Göran; Zhang, J.; McKenna, Paul; Sheng, Z. M.

In: High Power Laser Science and Engineering, Vol. 2, e5, 31.03.2014.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Effects of target pre-heating and expansion on terahertz radiation production from intense laser-solid interactions

AU - Yuan, Xiaohui

AU - Fang, Y

AU - Carroll, David

AU - MacLellan, David

AU - Du, F

AU - Booth, Nicola

AU - Burza, Matthias

AU - Chen, Min

AU - Gray, Ross

AU - Jin, Y. F.

AU - Li, Y.

AU - Liu, Y.

AU - Neely, David

AU - Powell, Haydn

AU - Scott, Graeme Gordon

AU - Wahlström, Claes-Göran

AU - Zhang, J.

AU - McKenna, Paul

AU - Sheng, Z. M.

PY - 2014/3/31

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N2 - The first experimental measurements of intense (∼7×1019 W cm−2) laser-driven terahertz (THz) radiation from a solid target which is preheated by an intense pulse of laser-accelerated protons is reported. The total energy of the THz radiation is found to decrease by approximately a factor of 2 compared to a cold target reference. This is attributed to an increase in the scale length of the preformed plasma, driven by proton heating, at the front surface of the target, where the THz radiation is generated. The results show the importance of controlling the preplasma scale length for THz production.

AB - The first experimental measurements of intense (∼7×1019 W cm−2) laser-driven terahertz (THz) radiation from a solid target which is preheated by an intense pulse of laser-accelerated protons is reported. The total energy of the THz radiation is found to decrease by approximately a factor of 2 compared to a cold target reference. This is attributed to an increase in the scale length of the preformed plasma, driven by proton heating, at the front surface of the target, where the THz radiation is generated. The results show the importance of controlling the preplasma scale length for THz production.

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KW - terahertz radiation

KW - laser-driven terahertz radiation

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