What is it about?

In laser inertial confinement fusion, high-precision X-ray imaging diagnostic equipment or technology has become the key to deeply understand the implosion process and to quantitatively invert the parameters of implosion. We proposed an X-ray microscopic imaging optical configuration with high spatial resolution and high collection efficiency. Relevant techniques, meet the requirements of small-scale and high-precision microscopic imaging, and play an important role in the fields of inertial confinement fusion diagnosis, synchronous radiation, astronomical observation, and so on.

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Why is it important?

Traditional imaging diagnostic devices such as pinhole cameras and Kirkpatrick-Baez (KB) microscopes are limited by spatial resolution and systematic collection efficiency. It is difficult to provide sufficient imaging contrast and signal-to-noise ratio when facing the needs of ultra-fast time-resolved diagnosis of implosion process. The proposed optical configuration is expected to improve the above shortcomings, improve the image acquisition capability under extreme material conditions, and promote the progress of X-ray optical techniques.

Perspectives

Based on grazing-incidence reflection optical configuration, we further improve the performance of X-ray microimaging, while meeting the requirements of modern ultra-precision optical processing techniques. This is of great significance for promoting related techniques.

Yaran Li
Shanghai Institute of Technical Physics, Chinese Academy of Sciences

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This page is a summary of: Basic principles and optical system design of 17.48 keV high-throughput modified Wolter x-ray microscope, Review of Scientific Instruments, September 2022, American Institute of Physics, DOI: 10.1063/5.0105015.
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