Uncertainty evaluate of core symmetry which observed by Kirkpatrick-Baez microscope

Wei Jiang; Yunsong Dong; Xing Zhang; Chuansheng Yin; Chuankui Sun; Jianjun Dong; Wanli Shang

doi:10.11884/HPLPB202335.220139

Journals >High Power Laser and Particle Beams >Volume 35 >Issue 3 >Page 032002 > Article

High Power Laser and Particle Beams
Vol. 35, Issue 3, 032002 (2023)

Uncertainty evaluate of core symmetry which observed by Kirkpatrick-Baez microscope

Wei Jiang^1、2, Yunsong Dong², Xing Zhang², Chuansheng Yin², Chuankui Sun², Jianjun Dong², and Wanli Shang²

Author Affiliations

¹University of Science and Technology of China, Hefei 230026, China

²Laser Fusion Research Center, CAEP, Mianyang 621900, China

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DOI: 10.11884/HPLPB202335.220139 Cite this Article

Wei Jiang, Yunsong Dong, Xing Zhang, Chuansheng Yin, Chuankui Sun, Jianjun Dong, Wanli Shang. Uncertainty evaluate of core symmetry which observed by Kirkpatrick-Baez microscope[J]. High Power Laser and Particle Beams, 2023, 35(3): 032002 Copy Citation Text

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Abstract

The core emission was observed by Kirkpatrick-Baez (KB) microscope with about 5 μm space resolution. It is important to evaluate the uncertainty of core image thus to tune the implosion asymmetry. This article evaluates the spatial resolution and SNR of the backlight image got by KB microscope in the experiment, and calculates the uncertainty for the Legendre moments of core emission. The results show that the uncertainty of P₂ is about 6% that of and P₄ is about 8%.

Keywords

ICF ignition asymmetry Kirkpatrick-Baez microscope uncertainty

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