![]() These experiments and the demand for a high-quality X-rays pave the way for the development of a stand-alone commercial system at RadiaBeam Technologies. In an effort to increase the total throughput of an ICS source, RadiaBeam Technologies and BNL have demonstrated a recirculated system, in which the energy of a TW laser pulse is recycled, driving multiple ICS interactions. Non-linear inverse Compton scattering (NICS) is the scattering of multiple low-energy photons, given by an intense electromagnetic field, in a high-energy photon (X-ray or gamma ray) during the interaction with a charged particle, such as an electron. The scattered photons acquire much more energy than the initial photons, and they can be used further, which is largely an engineering challenge. in that frame (EF) we consider the normal Compton or Thomson scattering and nally we transform back the resulting diused dierential photon number to the LF. The coupling of an advanced accelerator with an ICS interaction point has been demonstrated by the collaboration of UCLA and BNL. The inverse Compton efect consists in the (head-on) collision of a photon beam with a beam of relativistic charged particles (usually electrons). Recent experimental advances in ICS will be reviewed. A moderately energetic beam of relativistic electrons can up-scatter infrared wavelength laser photons to X-rays. ![]() The Inverse Compton Scattering (ICS) interaction can be used as the source for generating high-brightness, monochromatic, and ultra-short X-ray pulses in a facility on the scale of university laboratories. Compact, less costly, monochromatic X-ray sources may enable diverse, paradigm-changing X-ray applications ranging from novel X-ray therapy techniques to active interrogation of sensitive materials, by making them accessible in energy reach, cost and size. This approach has the drawback of requiring very high energy electron beams, and km scale facilities to obtain the required photon energy. Basing on the inverse Compton scattering of 10640 nm photons from a 100 W CO 2 laser on 3.5 GeV electrons from the Shanghai Light Source, Shanghai laser electron gamma source (SLEGS) produces gamma-rays in the energy range of 660 keV21.7 MeV with a flux of 1 0 5 1 0 7 photons/s. The generation of X-rays and γ-rays based on synchrotron radiation from free electrons, emitted in magnet arrays such as undulators, forms the basis of much of modern X-ray science. This component is associated with the afterglow and is satisfactorily explained by inverse Compton up-scattering of synchrotron photons by high-energy electrons.
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