Abstract
The deposition of hot electrons is critical to the performance and preheat of inertial confinement fusion pellets. Electron deposition can be characterized from Kα x-ray measurements in composite or layered targets. In this technique, the front or outer layer is an electron attenuator of known thickness. It is followed by a substrate of different material used as a Kα emitting electron detector. An electron attenuation curve is obtained by observing the detector layer signal as a function of the attenuator layer thickness. The energy distribution of hot electrons in the target is obtained from fitting a simulated electron distribution to the electron attenuation curve.
© 1982 Optical Society of America
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