Target Injection with Electrostatic Acceleration

Petzoldt, R.W.; Goodin, D. T.; Valmianski, E.; Carlson, L.; Stromsoe, J.; Friend, R. K.; Hares, J. D.

doi:10.13182/fst09-25

Cited by 4 publications

(1 citation statement)

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“…However, the trajectory must be calculated in a few milliseconds to predict the arrival position and arrival time of the target at the reactor center. If the trajectory of the target is not controlled electrostatically [1] or magnetically [2], the focal point of the laser beam must be moved to the arrival position. Furthermore, the engagement error of the laser beam and the target at the main shot must be lower than 20 µm [3].…”

Section: Introductionmentioning

confidence: 99%

Trajectory Calculation of Horizontally Injected Laser Fusion Energy Target in Residual Gas

Tsuji

2019

Plasma and Fusion Research

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A calculation method is presented for the trajectory of a horizontally injected spherical laser fusion energy target in a reactor filled with residual gas. To evaluate the gas resistance and the placement error of the position measurement unit (PMU) set along the injection path, a test injection is successively made two times and the target positions in flight are measured by PMUs. Two unknown system parameters, gas resistance and placement error, are determined by solving an equation system. After determining the system parameters, the arrival position and arrival time of the newly injected fusion target at the reactor center can be calculated by simple arithmetic with the time data and position data of the injected target in flight.

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Section: Introductionmentioning

confidence: 99%