Coherent harmonic generation using off-resonance laser modulation based on a laser wakefield accelerator

Ke Feng; Changhai Yu; Wentao Wang; Jiansheng Liu; Ruxin Li

doi:10.1117/12.2524768

24 April 2019 Coherent harmonic generation using off-resonance laser modulation based on a laser wakefield accelerator

Ke Feng, Changhai Yu, Wentao Wang, Jiansheng Liu, Ruxin Li

Proceedings Volume 11036, Relativistic Plasma Waves and Particle Beams as Coherent and Incoherent Radiation Sources III; 110360V (2019) https://doi.org/10.1117/12.2524768
Event: SPIE Optics + Optoelectronics, 2019, Prague, Czech Republic

Abstract

In this letter, a method using off-resonance laser modulation is proposed for the generation of coherent harmonic radiation. The off-resonant seed laser, whose wavelength is different from the resonant wavelength of the modulator, is firstly used to modulate the angular distribution of electron beam in the modulator. After passing through the special designed dispersion section, strong coherent micro-bunching is imprinted into the e beam which contains high-order harmonic components of the seed laser. The results verify the feasibility of this scheme for the generation of fully coherent radiation in EUV and soft X-ray regimes, which can be well interests of electron beams from a laser wakefield accelerator.

Citation Download Citation

Ke Feng, Changhai Yu, Wentao Wang, Jiansheng Liu, and Ruxin Li "Coherent harmonic generation using off-resonance laser modulation based on a laser wakefield accelerator", Proc. SPIE 11036, Relativistic Plasma Waves and Particle Beams as Coherent and Incoherent Radiation Sources III, 110360V (24 April 2019); https://doi.org/10.1117/12.2524768

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