Abstract
A simultaneous high-resolution x-ray backlighting and self-emission imaging method for laser-produced plasma diagnostics is developed in which two Kirkpatrick–Baez imaging channels for high-energy and low-energy diagnostics are constructed using a combination of multilayer mirrors in near-coaxial form. By using a streak or framing camera placed on the image plane, both backlit and self-emission images of a laser-produced plasma with high spatial and temporal resolution can be obtained simultaneously in a single shot. This paper describes the details of the method with regard to its optical and multilayer design, assembly, and alignment method. In addition, x-ray imaging results with a spatial resolution better than 5 µm in the laboratory and experimental results with imploding capsules in the SG-III prototype laser facility are presented.
Highlights
In this paper, we develop a diagnostic method that can simultaneously observe self-emission and backlit images of imploded scitation.org/journal/mre targets along nearly a single line of sight
Simultaneous high-resolution x-ray backlighting and self-emission imaging for laser-produced plasma diagnostics using a two-energy multilayer Kirkpatrick–Baez microscope
Marshall et al.10 and Yi et al.11 independently developed 16-channel KB microscopes with two different optical structures and were thereby able to obtain high-resolution selfemission x-rays images of imploding targets at 16 transients
Summary
We develop a diagnostic method that can simultaneously observe self-emission and backlit images of imploded scitation.org/journal/mre targets along nearly a single line of sight. Simultaneous high-resolution x-ray backlighting and self-emission imaging for laser-produced plasma diagnostics using a two-energy multilayer Kirkpatrick–Baez microscope
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