X-ray characterization by energy-resolved powder diffraction

被引：0

作者：

Cheung, G. ^{[1
]}

Hooker, S. M.

机构：

[1] Univ Oxford, John Adams Inst, Parks Rd, Oxford OX1 3PU, England

来源：

PHYSICAL REVIEW ACCELERATORS AND BEAMS | 2016年 / 19卷 / 08期

基金：

英国科学技术设施理事会; 英国工程与自然科学研究理事会;

关键词：

LASER; CRYSTALS;

D O I：

10.1103/PhysRevAccelBeams.19.082801

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

A method for single-shot, nondestructive characterization of broadband x-ray beams, based on energy-resolved powder diffraction, is described. Monte-Carlo simulations are used to simulate data for x-ray beams in the keV range with parameters similar to those generated by betatron oscillations in a laser-driven plasma accelerator. The retrieved x-ray spectra are found to be in excellent agreement with those of the input beams for realistic numbers of incident photons. It is demonstrated that the angular divergence of the x rays can be deduced from the deviation of the detected photons from the Debye-Scherrer rings which would be produced by a parallel beam. It is shown that the angular divergence can be measured as a function of the photon energy, yielding the angularly resolved spectrum of the input x-ray beam.

引用

页数：9

共 34 条

[1] Laser wakefield accelerator based light sources: potential applications and requirements [J].

Albert, F. ;

Thomas, A. G. R. ;

Mangles, S. P. D. ;

Banerjee, S. ;

Corde, S. ;

Flacco, A. ;

Litos, M. ;

Neely, D. ;

Vieira, J. ;

Najmudin, Z. ;

Bingham, R. ;

Joshi, C. ;

Katsouleas, T. .

PLASMA PHYSICS AND CONTROLLED FUSION, 2014, 56 (08)

[2] Angular Dependence of Betatron X-Ray Spectra from a Laser-Wakefield Accelerator [J].

Albert, F. ;

Pollock, B. B. ;

Shaw, J. L. ;

Marsh, K. A. ;

Ralph, J. E. ;

Chen, Y. -H. ;

Alessi, D. ;

Pak, A. ;

Clayton, C. E. ;

Glenzer, S. H. ;

Joshi, C. .

PHYSICAL REVIEW LETTERS, 2013, 111 (23)

[3] Betatron oscillations of electrons accelerated in laser wakefields characterized by spectral x-ray analysis [J].

Albert, Felicie ;

Shah, Rahul ;

Phuoc, Kim Ta ;

Fitour, Romuald ;

Burgy, Frederic ;

Rousseau, Jean-Philippe ;

Tafzi, Amar ;

Douillet, Denis ;

Lefrou, Thierry ;

Rousse, Antoine .

PHYSICAL REVIEW E, 2008, 77 (05)

[4]

Bragg WH, 1913, P R SOC LOND A-CONTA, V88, P428, DOI 10.1098/rspa.1913.0040

[5]

Brown P. J., 2006, Intensity of diffracted intensities, V1, P554, DOI [10.1107/97809553602060000600, DOI 10.1107/97809553602060000600]

[6]

Cipiccia S, 2011, NAT PHYS, V7, P867, DOI [10.1038/NPHYS2090, 10.1038/nphys2090]

[7] Femtosecond x rays from laser-plasma accelerators [J].

Corde, S. ;

Phuoc, K. Ta ;

Lambert, G. ;

Fitour, R. ;

Malka, V. ;

Rousse, A. ;

Beck, A. ;

Lefebvre, E. .

REVIEWS OF MODERN PHYSICS, 2013, 85 (01) :1-48

[8] Mapping the X-Ray Emission Region in a Laser-Plasma Accelerator [J].

Corde, S. ;

Thaury, C. ;

Phuoc, K. Ta ;

Lifschitz, A. ;

Lambert, G. ;

Faure, J. ;

Lundh, O. ;

Benveniste, E. ;

Ben-Ismail, A. ;

Arantchuk, L. ;

Marciniak, A. ;

Stordeur, A. ;

Brijesh, P. ;

Rousse, A. ;

Specka, A. ;

Malka, V. .

PHYSICAL REVIEW LETTERS, 2011, 107 (21)

[9] Demonstration of the synchrotron-type spectrum of laser-produced Betatron radiation [J].

Fourmaux, S. ;

Corde, S. ;

Phuoc, K. Ta ;

Leguay, P. M. ;

Payeur, S. ;

Lassonde, P. ;

Gnedyuk, S. ;

Lebrun, G. ;

Fourment, C. ;

Malka, V. ;

Sebban, S. ;

Rousse, A. ;

Kieffer, J. C. .

NEW JOURNAL OF PHYSICS, 2011, 13

[10]

Hooker SM, 2013, NAT PHOTONICS, V7, P775, DOI [10.1038/NPHOTON.2013.234, 10.1038/nphoton.2013.234]

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