Imaging characteristics of 2.5 keV multilayer Kirkpatrick-Baez microscope

Yi Shengzhen; Mu Baozhong; Jiang Li; Zhu Jingtao; Wang Zhanshan; Cao Zhurong; Dong Jianjun

doi:10.3788/HPLPB20122408.1770

Volume 24 Issue 08

Nov. 2012

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Article Navigation > High Power Laser and Particle Beams > 2012 > 24(08): 1770-1774

Li Mintang, Wang Guangdong, Zhang Chunhe, et al. Effect of pulse current waveform on sliding performance of solid armatures[J]. High Power Laser and Particle Beams, 2012, 24: 2763-2767. doi: 10.3788/HPLPB20122411.2763

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Yi Shengzhen, Mu Baozhong, Jiang Li, et al. Imaging characteristics of 2.5 keV multilayer Kirkpatrick-Baez microscope[J]. High Power Laser and Particle Beams, 2012, 24: 1770-1774. doi: 10.3788/HPLPB20122408.1770

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Imaging characteristics of 2.5 keV multilayer Kirkpatrick-Baez microscope

doi: 10.3788/HPLPB20122408.1770

Yi Shengzhen^1,2,3,
Mu Baozhong^{1,2,3
,
,},
Jiang Li^1,2,3,
Zhu Jingtao^1,2,3,
Wang Zhanshan^1,2,3,
Cao Zhurong⁴,
Dong Jianjun⁴

1.
Tongji University,Shanghai 200092,China;
2.
Key Laboratory of Advanced Micro-structured Materials,Ministry of Education,Tongji University,Shanghai 200092,China;
3.
Institute of Precision Optical Engineering,Tongji University,Shanghai 200092,China;
4.
Research Center of Laser Fusion,CAEP,P.O.Box 919-988,Mianyang 621900,China

Received Date: 2011-09-16
Publish Date: 2012-08-15

Abstract

Abstract

A 2.5 keV multilayer Kirkpatrick-Baez microscope was developed and its imaging characteristics were studied from aspects of optical design and experimental calibration. The optical parameters were determined by analyzing the influences of grazing incidence angle, magnification, and radius of curvature on modulation transfer function(MTF). The multilayer, simultaneously working at 2.5 keV and 8 keV, was designed and coated to complete the system alignment. The imaging result at ShenguangⅡ laser facility shows that the MTF over the object field of 100 m is above 0.6 for 20 m wavelength, significantly better than those of the existing pinhole camera and point-projection X-ray radiography. The microscope, coupled with the streak camera, can be used for dynamic diagnostics of target ablation with small spatial perturbation mode.
- kirkpatrick-baezmicroscope,
- plasmadiagnostics,
- modulationtransferfunction,
- surfaceperturbationtarget,
- hydrodynamicinstability

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