Volume 126, Number 3, May 2019
|Number of page(s)||6|
|Section||Electromagnetism, Optics, Acoustics, Heat Transfer, Classical Mechanics, and Fluid Dynamics|
|Published online||30 May 2019|
Nonlinear enhanced effects on Thomson backscattering by magnetic field and amplitude modulating of laser field
Phillips Academy - Andover, MA 01810, USA
2 Key Laboratory of Beam Technology of the Ministry of Education, and College of Nuclear Science and Technology, Beijing Normal University - Beijing 100875, China
3 Beijing Radiation Center - Beijing 100875, China
Accepted: 2 May 2019
The Thomson backscattering spectra in uniform magnetic field and laser field with cosine-envelope are studied. With this amplitude modulation, the radiation spectra exhibit high nonlinear enhanced effects due to the strong nonlinear interactions. Nevertheless, four fundamental laws related to the scale invariance of the radiation spectra are revealed. With the application of these laws, much higher radiation energy can be obtained and the harmonic at which the maximum radiation occurs can be precisely tuned without changing its amplitude. These findings provide a possible way to advance radiation technology in many fields such as medicine, communications, astrophysics, and security.
PACS: 41.60.-m – Radiation by moving charges / 52.59.-f – Intense particle beams and radiation sources / 89.75.Da – Systems obeying scaling laws
© EPLA, 2019
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