Eight-channel Kirkpatrick–Baez microscope for multiframe x-ray imaging diagnostics in laser plasma experiments

Because grazing–incidence Kirkpatrick–Baez (KB) microscopes have better resolution and collection efficiency than pinhole cameras, they have been widely used for x-ray imaging diagnostics of laser inertial confinement fusion. The assembly and adjustment of a multichannel KB microscope must meet stri...

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Bibliographic Details
Published in:Review of scientific instruments 2016-10, Vol.87 (10), p.103501-103501
Main Authors: Yi, Shengzhen, Zhang, Zhe, Huang, Qiushi, Zhang, Zhong, Mu, Baozhong, Wang, Zhanshan, Fang, Zhiheng, Wang, Wei, Fu, Sizu
Format: Article
Language:English
Subjects:
Alignment
Assembly
Cones
Field of view
Framing
Framing cameras
Image resolution
Inertial confinement fusion
Laboratories
Laser plasmas
Lasers
Microscopes
Multilayers
Pinhole cameras
Pinholes
Scientific apparatus & instruments
X-rays
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Summary:Because grazing–incidence Kirkpatrick–Baez (KB) microscopes have better resolution and collection efficiency than pinhole cameras, they have been widely used for x-ray imaging diagnostics of laser inertial confinement fusion. The assembly and adjustment of a multichannel KB microscope must meet stringent requirements for image resolution and reproducible alignment. In the present study, an eight-channel KB microscope was developed for diagnostics by imaging self-emission x-rays with a framing camera at the Shenguang-II Update (SGII-Update) laser facility. A consistent object field of view is ensured in the eight channels using an assembly method based on conical reference cones, which also allow the intervals between the eight images to be tuned to couple with the microstrips of the x-ray framing camera. The eight-channel KB microscope was adjusted via real-time x-ray imaging experiments in the laboratory. This paper describes the details of the eight-channel KB microscope, its optical and multilayer design, the assembly and alignment methods, and results of imaging in the laboratory and at the SGII-Update.
ISSN:0034-6748
1089-7623
DOI:10.1063/1.4963702