Generation of 9 MeV γ-rays by all-laser-driven Compton scattering with second-harmonic laser light

Cheng Liu, Grigory Golovin, Shouyuan Chen, Jun Zhang, Baozhen Zhao, Daniel Haden, Sudeep Banerjee, Jack Silano, Hugon Karwowski, Donald P Umstadter

Research output: Contribution to journalArticle

40 Citations (Scopus)

Abstract

Gamma-ray photons with energy <9 MeV were produced when second-harmonic-generated laser light (3 eV) inverse-Compton-scattered from a counterpropagating relativistic (∼450 MeV) laser-wakefield-accelerated electron beam. Two laser pulses from the same laser system were used: one to accelerate electrons and one to scatter. Since the two pulses play very different roles in the γ-ray generation process, and thus have different requirements, a novel laser system was developed. It separately and independently optimized the optical properties of the two pulses. This approach also mitigated the deleterious effects on beam focusing that generally accompany nonlinear optics at high peak-power levels.

Original languageEnglish (US)
Pages (from-to)4132-4135
Number of pages4
JournalOptics Letters
Volume39
Issue number14
DOIs
StatePublished - Jul 15 2014

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rays
harmonics
scattering
lasers
pulses
nonlinear optics
gamma rays
electron beams
optical properties
requirements
photons
electrons
energy

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Generation of 9 MeV γ-rays by all-laser-driven Compton scattering with second-harmonic laser light. / Liu, Cheng; Golovin, Grigory; Chen, Shouyuan; Zhang, Jun; Zhao, Baozhen; Haden, Daniel; Banerjee, Sudeep; Silano, Jack; Karwowski, Hugon; Umstadter, Donald P.

In: Optics Letters, Vol. 39, No. 14, 15.07.2014, p. 4132-4135.

Research output: Contribution to journalArticle

Liu, C, Golovin, G, Chen, S, Zhang, J, Zhao, B, Haden, D, Banerjee, S, Silano, J, Karwowski, H & Umstadter, DP 2014, 'Generation of 9 MeV γ-rays by all-laser-driven Compton scattering with second-harmonic laser light', Optics Letters, vol. 39, no. 14, pp. 4132-4135. https://doi.org/10.1364/OL.39.004132
Liu, Cheng ; Golovin, Grigory ; Chen, Shouyuan ; Zhang, Jun ; Zhao, Baozhen ; Haden, Daniel ; Banerjee, Sudeep ; Silano, Jack ; Karwowski, Hugon ; Umstadter, Donald P. / Generation of 9 MeV γ-rays by all-laser-driven Compton scattering with second-harmonic laser light. In: Optics Letters. 2014 ; Vol. 39, No. 14. pp. 4132-4135.
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