High-resolution, high-sensitivity X-ray imaging is a real challenge in high-energy density plasma experiments. We present an improved design of the Fresnel ultra high-resolution imager instrument. Using an Ultra-High-Intensity (UHI) laser to generate hot and dense plasma in a small volume of an Al-Ti mixed target provides simultaneous imaging of both Al and Ti X-ray emission. Specifically, the Al Heβ (or Lyβ) and the Ti Heα lines are imaged with a resolution of (2.7 ± 0.3) μm and (5.5 ± 0.3) μm, respectively. It features two transmission Fresnel phase zone plates fabricated on the same substrate, each associated with a multilayer mirror for spectral selection. Their spatial resolution has been measured on the PTB synchrotron radiation facility laboratory at BESSY II and on the EQUINOX laser facility. Results obtained on an UHI experiment highlight the difference of emission zone sizes between Al and Ti lines and the versatility of this instrument.
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November 2018
Research Article|
November 02 2018
Two-channel high-resolution quasi-monochromatic X-ray imager for Al and Ti plasma
A. Do
;
A. Do
1
Commissariat à l’Énergie Atomique, DAM-Île de France
, BP 12, 91680 Bruyères-les-Châtel, France
2
LULI-CNRS, École Polytechnique, CEA: Université Paris-Saclay, UPMC Univ. Paris 06: Sorbonne Universités
, F-91128 Palaiseau Cedex, France
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M. Briat
;
M. Briat
1
Commissariat à l’Énergie Atomique, DAM-Île de France
, BP 12, 91680 Bruyères-les-Châtel, France
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S. D. Baton;
S. D. Baton
2
LULI-CNRS, École Polytechnique, CEA: Université Paris-Saclay, UPMC Univ. Paris 06: Sorbonne Universités
, F-91128 Palaiseau Cedex, France
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M. Krumrey
;
M. Krumrey
3
Physikalisch-Technische Bundesanstalt (PTB)
, Abbestr. 2-12, 10587 Berlin, Germany
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L. Lecherbourg;
L. Lecherbourg
1
Commissariat à l’Énergie Atomique, DAM-Île de France
, BP 12, 91680 Bruyères-les-Châtel, France
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B. Loupias;
B. Loupias
1
Commissariat à l’Énergie Atomique, DAM-Île de France
, BP 12, 91680 Bruyères-les-Châtel, France
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F. Pérez;
F. Pérez
2
LULI-CNRS, École Polytechnique, CEA: Université Paris-Saclay, UPMC Univ. Paris 06: Sorbonne Universités
, F-91128 Palaiseau Cedex, France
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P. Renaudin;
P. Renaudin
1
Commissariat à l’Énergie Atomique, DAM-Île de France
, BP 12, 91680 Bruyères-les-Châtel, France
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C. Rubbelynck;
C. Rubbelynck
1
Commissariat à l’Énergie Atomique, DAM-Île de France
, BP 12, 91680 Bruyères-les-Châtel, France
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Ph. Troussel
Ph. Troussel
1
Commissariat à l’Énergie Atomique, DAM-Île de France
, BP 12, 91680 Bruyères-les-Châtel, France
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Rev. Sci. Instrum. 89, 113702 (2018)
Article history
Received:
May 29 2018
Accepted:
October 15 2018
Citation
A. Do, M. Briat, S. D. Baton, M. Krumrey, L. Lecherbourg, B. Loupias, F. Pérez, P. Renaudin, C. Rubbelynck, Ph. Troussel; Two-channel high-resolution quasi-monochromatic X-ray imager for Al and Ti plasma. Rev. Sci. Instrum. 1 November 2018; 89 (11): 113702. https://doi.org/10.1063/1.5042069
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