Development of high resolution Kirkpatrick-Baez x-ray microscope based on aspherical mirrors for ICF diagnostics

Xinye Xu; Baozhong Mu; Jie Xu; Xin Wang; Liang Chen; Zhanshan Wang

doi:10.1117/12.2567923

21 August 2020 Development of high resolution Kirkpatrick-Baez x-ray microscope based on aspherical mirrors for ICF diagnostics

Xinye Xu, Baozhong Mu, Jie Xu, Xin Wang, Liang Chen, Zhanshan Wang

Author Affiliations +

Proceedings Volume 11491, Advances in X-Ray/EUV Optics and Components XV; 114910C (2020) https://doi.org/10.1117/12.2567923
Event: SPIE Optical Engineering + Applications, 2020, Online Only

Abstract

High-resolution imaging diagnosis of X-ray plasma distribution during implosion deceleration phase is urgently needed in inertial confinement fusion experiments. The current curved crystal imaging and the conventional Kirkpatrick-Baez microscope have a spatial resolution of 5 μm, so it is insufficient to obtain the evolution details of implosion target shell and hot spot. In this paper, an aspherical Kirkpatrick-Baez microscope is proposed, to achieve a higher spatial resolution. Simultaneously, an optical design method for aspherical structures is introduced. The imaging system has high reflectivity and good monochromatic performance using periodic multilayer technology. The characterization results show that this imaging system can reach a high spatial resolution of 2 μm in the central field of view.

Conference Presentation

Citation Download Citation

Xinye Xu, Baozhong Mu, Jie Xu, Xin Wang, Liang Chen, and Zhanshan Wang "Development of high resolution Kirkpatrick-Baez x-ray microscope based on aspherical mirrors for ICF diagnostics", Proc. SPIE 11491, Advances in X-Ray/EUV Optics and Components XV, 114910C (21 August 2020); https://doi.org/10.1117/12.2567923

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