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Inverse Compton Backscattering Source driven by the multi 10 TW-Laser installed at Daresbury

机译:由达斯伯里安装的多10 TW激光器驱动的反康顿反向散射源

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Inverse Compton is a promising method to implement a high brightness, ultra-short, energy tunable X-ray source at accelerator facilities. We have developed an inverse Compton backscattering X-ray source driven by the multi 10 TW-Laser installed at Daresbury (COBALD). Hard X-rays, with spectral peak ranging from 15 to 30 keV, depending on the scattering geometry, will be generated through the interaction of a laser pulse with an electron bunch delivered by the energy recovery linear accelerator prototype (ERLP) at Daresbury. X-ray pulses containing 9×10~7 photons per pulse will be created from head on collisions, with a pulse duration comparable to that of the incoming electron bunch. For transverse collisions 8×10~6 photons per pulse will be generated, where the laser pulse transit time defines the X-ray pulse duration. The peak spectral brightness is predicted to be ~ 10~(21) photons/s/mm~2/mrad~2/0.1%△E/E, which is comparable to fourth generation synchrotron light sources.
机译:反康普顿是在加速器设施中实现高亮度,超短路能量可调X射线源的有希望的方法。我们开发了由安装在Daresbury(Cobald)的多10 TW激光器驱动的反康顿反向散射X射线源。使用激光脉冲的相互作用在达尔斯伯里的能量回收线性加速器原型(ERLP)的相互作用,将产生具有15至30kev的光谱峰值,从15至30kev的光谱峰值范围为15至30kev。每个脉冲含有9×10〜7光子的X射线脉冲将从碰撞中的头部产生,脉冲持续时间与进入的电子束的脉冲持续时间相当。对于横向碰撞,将产生每个脉冲的8×10〜6光子,其中激光脉冲传输时间定义X射线脉冲持续时间。峰值光谱亮度预测为〜10〜(21)光子/ s / mm〜2 / mrad〜2 / 0.1%△E/ e,其与第四代同步rotron光源相当。

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