Collimation of plasma-produced x-rays by spherical crystals: Ray-tracing simulations and experimental results

M. Sanchez Del Rio; M. Fraenkel; A. Zigler; A. Ya Faenov; T. A. Pikuz

doi:10.1063/1.1149641

Collimation of plasma-produced x-rays by spherical crystals: Ray-tracing simulations and experimental results

M. Sanchez Del Rio^*, M. Fraenkel, A. Zigler, A. Ya Faenov, T. A. Pikuz

^*Corresponding author for this work

Racah Institute of Physics

Research output: Contribution to journal › Article › peer-review

15 Scopus citations

Abstract

Ray-tracing simulations, validated by experimental results, demonstrate that high intensity collimated x-ray beams can be produced from an isotropic x-ray source. A spherically bent mica crystal was used to collimate and monochromatize x rays emitted by a femtosecond laser-produced plasma. The result is a short pulse x-ray beam with a high degree of collimation (less than 1 mrad divergence), good spectral resolution (10^-2<Δλ/λ<10^-4), and tunability over a wide spectral range. The role of the experimental parameters in the resulting beam divergence is thoroughly analyzed by ray-tracing modeling. These simulations are validated by test experiments. The ray-tracing calculations define a set of boundaries in the experimental parameters, which will guarantee the achievement of collimated beams better than 1 mrad in further experiments.

Original language	English
Pages (from-to)	1614-1620
Number of pages	7
Journal	Review of Scientific Instruments
Volume	70
Issue number	3
DOIs	https://doi.org/10.1063/1.1149641
State	Published - Mar 1999

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abstract = "Ray-tracing simulations, validated by experimental results, demonstrate that high intensity collimated x-ray beams can be produced from an isotropic x-ray source. A spherically bent mica crystal was used to collimate and monochromatize x rays emitted by a femtosecond laser-produced plasma. The result is a short pulse x-ray beam with a high degree of collimation (less than 1 mrad divergence), good spectral resolution (10-2<Δλ/λ<10-4), and tunability over a wide spectral range. The role of the experimental parameters in the resulting beam divergence is thoroughly analyzed by ray-tracing modeling. These simulations are validated by test experiments. The ray-tracing calculations define a set of boundaries in the experimental parameters, which will guarantee the achievement of collimated beams better than 1 mrad in further experiments.",

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AU - Sanchez Del Rio, M.

AU - Fraenkel, M.

AU - Zigler, A.

AU - Faenov, A. Ya

AU - Pikuz, T. A.

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AB - Ray-tracing simulations, validated by experimental results, demonstrate that high intensity collimated x-ray beams can be produced from an isotropic x-ray source. A spherically bent mica crystal was used to collimate and monochromatize x rays emitted by a femtosecond laser-produced plasma. The result is a short pulse x-ray beam with a high degree of collimation (less than 1 mrad divergence), good spectral resolution (10-2<Δλ/λ<10-4), and tunability over a wide spectral range. The role of the experimental parameters in the resulting beam divergence is thoroughly analyzed by ray-tracing modeling. These simulations are validated by test experiments. The ray-tracing calculations define a set of boundaries in the experimental parameters, which will guarantee the achievement of collimated beams better than 1 mrad in further experiments.

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Collimation of plasma-produced x-rays by spherical crystals: Ray-tracing simulations and experimental results

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